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4155 lines
115 KiB
4155 lines
115 KiB
#!/usr/bin/env perl |
|
# Copyright (C) 2006, Eric Wong <normalperson@yhbt.net> |
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# License: GPL v2 or later |
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use warnings; |
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use strict; |
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use vars qw/ $AUTHOR $VERSION |
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$sha1 $sha1_short $_revision |
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$_q $_authors %users/; |
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$AUTHOR = 'Eric Wong <normalperson@yhbt.net>'; |
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$VERSION = '@@GIT_VERSION@@'; |
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|
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my $git_dir_user_set = 1 if defined $ENV{GIT_DIR}; |
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$ENV{GIT_DIR} ||= '.git'; |
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$Git::SVN::default_repo_id = 'svn'; |
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$Git::SVN::default_ref_id = $ENV{GIT_SVN_ID} || 'git-svn'; |
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$Git::SVN::Ra::_log_window_size = 100; |
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|
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$Git::SVN::Log::TZ = $ENV{TZ}; |
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$ENV{TZ} = 'UTC'; |
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$| = 1; # unbuffer STDOUT |
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|
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sub fatal (@) { print STDERR @_; exit 1 } |
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require SVN::Core; # use()-ing this causes segfaults for me... *shrug* |
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require SVN::Ra; |
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require SVN::Delta; |
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if ($SVN::Core::VERSION lt '1.1.0') { |
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fatal "Need SVN::Core 1.1.0 or better (got $SVN::Core::VERSION)\n"; |
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} |
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push @Git::SVN::Ra::ISA, 'SVN::Ra'; |
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push @SVN::Git::Editor::ISA, 'SVN::Delta::Editor'; |
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push @SVN::Git::Fetcher::ISA, 'SVN::Delta::Editor'; |
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use Carp qw/croak/; |
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use IO::File qw//; |
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use File::Basename qw/dirname basename/; |
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use File::Path qw/mkpath/; |
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use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/; |
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use IPC::Open3; |
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use Git; |
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|
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BEGIN { |
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# import functions from Git into our packages, en masse |
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no strict 'refs'; |
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foreach (qw/command command_oneline command_noisy command_output_pipe |
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command_input_pipe command_close_pipe/) { |
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for my $package ( qw(SVN::Git::Editor SVN::Git::Fetcher |
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Git::SVN::Migration Git::SVN::Log Git::SVN), |
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__PACKAGE__) { |
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*{"${package}::$_"} = \&{"Git::$_"}; |
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} |
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} |
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} |
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|
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my ($SVN); |
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|
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$sha1 = qr/[a-f\d]{40}/; |
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$sha1_short = qr/[a-f\d]{4,40}/; |
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my ($_stdin, $_help, $_edit, |
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$_message, $_file, |
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$_template, $_shared, |
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$_version, $_fetch_all, $_no_rebase, |
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$_merge, $_strategy, $_dry_run, $_local, |
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$_prefix, $_no_checkout, $_verbose); |
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$Git::SVN::_follow_parent = 1; |
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my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username, |
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'config-dir=s' => \$Git::SVN::Ra::config_dir, |
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'no-auth-cache' => \$Git::SVN::Prompt::_no_auth_cache ); |
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my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent, |
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'authors-file|A=s' => \$_authors, |
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'repack:i' => \$Git::SVN::_repack, |
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'noMetadata' => \$Git::SVN::_no_metadata, |
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'useSvmProps' => \$Git::SVN::_use_svm_props, |
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'useSvnsyncProps' => \$Git::SVN::_use_svnsync_props, |
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'log-window-size=i' => \$Git::SVN::Ra::_log_window_size, |
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'no-checkout' => \$_no_checkout, |
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'quiet|q' => \$_q, |
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'repack-flags|repack-args|repack-opts=s' => |
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\$Git::SVN::_repack_flags, |
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%remote_opts ); |
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|
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my ($_trunk, $_tags, $_branches, $_stdlayout); |
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my %icv; |
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my %init_opts = ( 'template=s' => \$_template, 'shared:s' => \$_shared, |
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'trunk|T=s' => \$_trunk, 'tags|t=s' => \$_tags, |
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'branches|b=s' => \$_branches, 'prefix=s' => \$_prefix, |
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'stdlayout|s' => \$_stdlayout, |
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'minimize-url|m' => \$Git::SVN::_minimize_url, |
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'no-metadata' => sub { $icv{noMetadata} = 1 }, |
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'use-svm-props' => sub { $icv{useSvmProps} = 1 }, |
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'use-svnsync-props' => sub { $icv{useSvnsyncProps} = 1 }, |
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'rewrite-root=s' => sub { $icv{rewriteRoot} = $_[1] }, |
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%remote_opts ); |
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my %cmt_opts = ( 'edit|e' => \$_edit, |
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'rmdir' => \$SVN::Git::Editor::_rmdir, |
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'find-copies-harder' => \$SVN::Git::Editor::_find_copies_harder, |
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'l=i' => \$SVN::Git::Editor::_rename_limit, |
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'copy-similarity|C=i'=> \$SVN::Git::Editor::_cp_similarity |
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); |
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|
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my %cmd = ( |
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fetch => [ \&cmd_fetch, "Download new revisions from SVN", |
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{ 'revision|r=s' => \$_revision, |
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'fetch-all|all' => \$_fetch_all, |
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%fc_opts } ], |
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clone => [ \&cmd_clone, "Initialize and fetch revisions", |
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{ 'revision|r=s' => \$_revision, |
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%fc_opts, %init_opts } ], |
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init => [ \&cmd_init, "Initialize a repo for tracking" . |
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" (requires URL argument)", |
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\%init_opts ], |
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'multi-init' => [ \&cmd_multi_init, |
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"Deprecated alias for ". |
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"'$0 init -T<trunk> -b<branches> -t<tags>'", |
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\%init_opts ], |
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dcommit => [ \&cmd_dcommit, |
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'Commit several diffs to merge with upstream', |
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{ 'merge|m|M' => \$_merge, |
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'strategy|s=s' => \$_strategy, |
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'verbose|v' => \$_verbose, |
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'dry-run|n' => \$_dry_run, |
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'fetch-all|all' => \$_fetch_all, |
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'no-rebase' => \$_no_rebase, |
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%cmt_opts, %fc_opts } ], |
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'set-tree' => [ \&cmd_set_tree, |
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"Set an SVN repository to a git tree-ish", |
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{ 'stdin|' => \$_stdin, %cmt_opts, %fc_opts, } ], |
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'show-ignore' => [ \&cmd_show_ignore, "Show svn:ignore listings", |
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{ 'revision|r=i' => \$_revision } ], |
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'multi-fetch' => [ \&cmd_multi_fetch, |
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"Deprecated alias for $0 fetch --all", |
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{ 'revision|r=s' => \$_revision, %fc_opts } ], |
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'migrate' => [ sub { }, |
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# no-op, we automatically run this anyways, |
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'Migrate configuration/metadata/layout from |
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previous versions of git-svn', |
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{ 'minimize' => \$Git::SVN::Migration::_minimize, |
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%remote_opts } ], |
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'log' => [ \&Git::SVN::Log::cmd_show_log, 'Show commit logs', |
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{ 'limit=i' => \$Git::SVN::Log::limit, |
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'revision|r=s' => \$_revision, |
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'verbose|v' => \$Git::SVN::Log::verbose, |
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'incremental' => \$Git::SVN::Log::incremental, |
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'oneline' => \$Git::SVN::Log::oneline, |
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'show-commit' => \$Git::SVN::Log::show_commit, |
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'non-recursive' => \$Git::SVN::Log::non_recursive, |
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'authors-file|A=s' => \$_authors, |
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'color' => \$Git::SVN::Log::color, |
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'pager=s' => \$Git::SVN::Log::pager, |
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} ], |
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'find-rev' => [ \&cmd_find_rev, "Translate between SVN revision numbers and tree-ish", |
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{ } ], |
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'rebase' => [ \&cmd_rebase, "Fetch and rebase your working directory", |
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{ 'merge|m|M' => \$_merge, |
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'verbose|v' => \$_verbose, |
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'strategy|s=s' => \$_strategy, |
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'local|l' => \$_local, |
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'fetch-all|all' => \$_fetch_all, |
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%fc_opts } ], |
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'commit-diff' => [ \&cmd_commit_diff, |
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'Commit a diff between two trees', |
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{ 'message|m=s' => \$_message, |
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'file|F=s' => \$_file, |
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'revision|r=s' => \$_revision, |
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%cmt_opts } ], |
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); |
|
|
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my $cmd; |
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for (my $i = 0; $i < @ARGV; $i++) { |
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if (defined $cmd{$ARGV[$i]}) { |
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$cmd = $ARGV[$i]; |
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splice @ARGV, $i, 1; |
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last; |
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} |
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}; |
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|
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my %opts = %{$cmd{$cmd}->[2]} if (defined $cmd); |
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|
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read_repo_config(\%opts); |
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Getopt::Long::Configure('pass_through') if ($cmd && $cmd eq 'log'); |
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my $rv = GetOptions(%opts, 'help|H|h' => \$_help, 'version|V' => \$_version, |
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'minimize-connections' => \$Git::SVN::Migration::_minimize, |
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'id|i=s' => \$Git::SVN::default_ref_id, |
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'svn-remote|remote|R=s' => sub { |
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$Git::SVN::no_reuse_existing = 1; |
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$Git::SVN::default_repo_id = $_[1] }); |
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exit 1 if (!$rv && $cmd && $cmd ne 'log'); |
|
|
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usage(0) if $_help; |
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version() if $_version; |
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usage(1) unless defined $cmd; |
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load_authors() if $_authors; |
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|
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# make sure we're always running |
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unless ($cmd =~ /(?:clone|init|multi-init)$/) { |
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unless (-d $ENV{GIT_DIR}) { |
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if ($git_dir_user_set) { |
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die "GIT_DIR=$ENV{GIT_DIR} explicitly set, ", |
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"but it is not a directory\n"; |
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} |
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my $git_dir = delete $ENV{GIT_DIR}; |
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chomp(my $cdup = command_oneline(qw/rev-parse --show-cdup/)); |
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unless (length $cdup) { |
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die "Already at toplevel, but $git_dir ", |
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"not found '$cdup'\n"; |
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} |
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chdir $cdup or die "Unable to chdir up to '$cdup'\n"; |
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unless (-d $git_dir) { |
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die "$git_dir still not found after going to ", |
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"'$cdup'\n"; |
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} |
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$ENV{GIT_DIR} = $git_dir; |
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} |
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} |
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unless ($cmd =~ /^(?:clone|init|multi-init|commit-diff)$/) { |
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Git::SVN::Migration::migration_check(); |
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} |
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Git::SVN::init_vars(); |
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eval { |
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Git::SVN::verify_remotes_sanity(); |
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$cmd{$cmd}->[0]->(@ARGV); |
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}; |
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fatal $@ if $@; |
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post_fetch_checkout(); |
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exit 0; |
|
|
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####################### primary functions ###################### |
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sub usage { |
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my $exit = shift || 0; |
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my $fd = $exit ? \*STDERR : \*STDOUT; |
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print $fd <<""; |
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git-svn - bidirectional operations between a single Subversion tree and git |
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Usage: $0 <command> [options] [arguments]\n |
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|
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print $fd "Available commands:\n" unless $cmd; |
|
|
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foreach (sort keys %cmd) { |
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next if $cmd && $cmd ne $_; |
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next if /^multi-/; # don't show deprecated commands |
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print $fd ' ',pack('A17',$_),$cmd{$_}->[1],"\n"; |
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foreach (keys %{$cmd{$_}->[2]}) { |
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# mixed-case options are for .git/config only |
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next if /[A-Z]/ && /^[a-z]+$/i; |
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# prints out arguments as they should be passed: |
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my $x = s#[:=]s$## ? '<arg>' : s#[:=]i$## ? '<num>' : ''; |
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print $fd ' ' x 21, join(', ', map { length $_ > 1 ? |
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"--$_" : "-$_" } |
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split /\|/,$_)," $x\n"; |
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} |
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} |
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print $fd <<""; |
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\nGIT_SVN_ID may be set in the environment or via the --id/-i switch to an |
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arbitrary identifier if you're tracking multiple SVN branches/repositories in |
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one git repository and want to keep them separate. See git-svn(1) for more |
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information. |
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|
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exit $exit; |
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} |
|
|
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sub version { |
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print "git-svn version $VERSION (svn $SVN::Core::VERSION)\n"; |
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exit 0; |
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} |
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|
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sub do_git_init_db { |
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unless (-d $ENV{GIT_DIR}) { |
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my @init_db = ('init'); |
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push @init_db, "--template=$_template" if defined $_template; |
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if (defined $_shared) { |
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if ($_shared =~ /[a-z]/) { |
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push @init_db, "--shared=$_shared"; |
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} else { |
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push @init_db, "--shared"; |
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} |
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} |
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command_noisy(@init_db); |
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} |
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my $set; |
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my $pfx = "svn-remote.$Git::SVN::default_repo_id"; |
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foreach my $i (keys %icv) { |
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die "'$set' and '$i' cannot both be set\n" if $set; |
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next unless defined $icv{$i}; |
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command_noisy('config', "$pfx.$i", $icv{$i}); |
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$set = $i; |
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} |
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} |
|
|
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sub init_subdir { |
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my $repo_path = shift or return; |
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mkpath([$repo_path]) unless -d $repo_path; |
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chdir $repo_path or die "Couldn't chdir to $repo_path: $!\n"; |
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$ENV{GIT_DIR} = '.git'; |
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} |
|
|
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sub cmd_clone { |
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my ($url, $path) = @_; |
|
if (!defined $path && |
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(defined $_trunk || defined $_branches || defined $_tags || |
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defined $_stdlayout) && |
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$url !~ m#^[a-z\+]+://#) { |
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$path = $url; |
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} |
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$path = basename($url) if !defined $path || !length $path; |
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cmd_init($url, $path); |
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Git::SVN::fetch_all($Git::SVN::default_repo_id); |
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} |
|
|
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sub cmd_init { |
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if (defined $_stdlayout) { |
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$_trunk = 'trunk' if (!defined $_trunk); |
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$_tags = 'tags' if (!defined $_tags); |
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$_branches = 'branches' if (!defined $_branches); |
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} |
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if (defined $_trunk || defined $_branches || defined $_tags) { |
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return cmd_multi_init(@_); |
|
} |
|
my $url = shift or die "SVN repository location required ", |
|
"as a command-line argument\n"; |
|
init_subdir(@_); |
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do_git_init_db(); |
|
|
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Git::SVN->init($url); |
|
} |
|
|
|
sub cmd_fetch { |
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if (grep /^\d+=./, @_) { |
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die "'<rev>=<commit>' fetch arguments are ", |
|
"no longer supported.\n"; |
|
} |
|
my ($remote) = @_; |
|
if (@_ > 1) { |
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die "Usage: $0 fetch [--all] [svn-remote]\n"; |
|
} |
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$remote ||= $Git::SVN::default_repo_id; |
|
if ($_fetch_all) { |
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cmd_multi_fetch(); |
|
} else { |
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Git::SVN::fetch_all($remote, Git::SVN::read_all_remotes()); |
|
} |
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} |
|
|
|
sub cmd_set_tree { |
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my (@commits) = @_; |
|
if ($_stdin || !@commits) { |
|
print "Reading from stdin...\n"; |
|
@commits = (); |
|
while (<STDIN>) { |
|
if (/\b($sha1_short)\b/o) { |
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unshift @commits, $1; |
|
} |
|
} |
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} |
|
my @revs; |
|
foreach my $c (@commits) { |
|
my @tmp = command('rev-parse',$c); |
|
if (scalar @tmp == 1) { |
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push @revs, $tmp[0]; |
|
} elsif (scalar @tmp > 1) { |
|
push @revs, reverse(command('rev-list',@tmp)); |
|
} else { |
|
fatal "Failed to rev-parse $c\n"; |
|
} |
|
} |
|
my $gs = Git::SVN->new; |
|
my ($r_last, $cmt_last) = $gs->last_rev_commit; |
|
$gs->fetch; |
|
if (defined $gs->{last_rev} && $r_last != $gs->{last_rev}) { |
|
fatal "There are new revisions that were fetched ", |
|
"and need to be merged (or acknowledged) ", |
|
"before committing.\nlast rev: $r_last\n", |
|
" current: $gs->{last_rev}\n"; |
|
} |
|
$gs->set_tree($_) foreach @revs; |
|
print "Done committing ",scalar @revs," revisions to SVN\n"; |
|
} |
|
|
|
sub cmd_dcommit { |
|
my $head = shift; |
|
$head ||= 'HEAD'; |
|
my @refs; |
|
my ($url, $rev, $uuid, $gs) = working_head_info($head, \@refs); |
|
print "Committing to $url ...\n"; |
|
unless ($gs) { |
|
die "Unable to determine upstream SVN information from ", |
|
"$head history\n"; |
|
} |
|
my $last_rev; |
|
my ($linear_refs, $parents) = linearize_history($gs, \@refs); |
|
if ($_no_rebase && scalar(@$linear_refs) > 1) { |
|
warn "Attempting to commit more than one change while ", |
|
"--no-rebase is enabled.\n", |
|
"If these changes depend on each other, re-running ", |
|
"without --no-rebase will be required." |
|
} |
|
foreach my $d (@$linear_refs) { |
|
unless (defined $last_rev) { |
|
(undef, $last_rev, undef) = cmt_metadata("$d~1"); |
|
unless (defined $last_rev) { |
|
fatal "Unable to extract revision information ", |
|
"from commit $d~1\n"; |
|
} |
|
} |
|
if ($_dry_run) { |
|
print "diff-tree $d~1 $d\n"; |
|
} else { |
|
my $cmt_rev; |
|
my %ed_opts = ( r => $last_rev, |
|
log => get_commit_entry($d)->{log}, |
|
ra => Git::SVN::Ra->new($gs->full_url), |
|
tree_a => "$d~1", |
|
tree_b => $d, |
|
editor_cb => sub { |
|
print "Committed r$_[0]\n"; |
|
$cmt_rev = $_[0]; |
|
}, |
|
svn_path => ''); |
|
if (!SVN::Git::Editor->new(\%ed_opts)->apply_diff) { |
|
print "No changes\n$d~1 == $d\n"; |
|
} elsif ($parents->{$d} && @{$parents->{$d}}) { |
|
$gs->{inject_parents_dcommit}->{$cmt_rev} = |
|
$parents->{$d}; |
|
} |
|
$_fetch_all ? $gs->fetch_all : $gs->fetch; |
|
next if $_no_rebase; |
|
|
|
# we always want to rebase against the current HEAD, |
|
# not any head that was passed to us |
|
my @diff = command('diff-tree', 'HEAD', |
|
$gs->refname, '--'); |
|
my @finish; |
|
if (@diff) { |
|
@finish = rebase_cmd(); |
|
print STDERR "W: HEAD and ", $gs->refname, |
|
" differ, using @finish:\n", |
|
"@diff"; |
|
} else { |
|
print "No changes between current HEAD and ", |
|
$gs->refname, |
|
"\nResetting to the latest ", |
|
$gs->refname, "\n"; |
|
@finish = qw/reset --mixed/; |
|
} |
|
command_noisy(@finish, $gs->refname); |
|
$last_rev = $cmt_rev; |
|
} |
|
} |
|
} |
|
|
|
sub cmd_find_rev { |
|
my $revision_or_hash = shift; |
|
my $result; |
|
if ($revision_or_hash =~ /^r\d+$/) { |
|
my $head = shift; |
|
$head ||= 'HEAD'; |
|
my @refs; |
|
my (undef, undef, undef, $gs) = working_head_info($head, \@refs); |
|
unless ($gs) { |
|
die "Unable to determine upstream SVN information from ", |
|
"$head history\n"; |
|
} |
|
my $desired_revision = substr($revision_or_hash, 1); |
|
$result = $gs->rev_db_get($desired_revision); |
|
} else { |
|
my (undef, $rev, undef) = cmt_metadata($revision_or_hash); |
|
$result = $rev; |
|
} |
|
print "$result\n" if $result; |
|
} |
|
|
|
sub cmd_rebase { |
|
command_noisy(qw/update-index --refresh/); |
|
my ($url, $rev, $uuid, $gs) = working_head_info('HEAD'); |
|
unless ($gs) { |
|
die "Unable to determine upstream SVN information from ", |
|
"working tree history\n"; |
|
} |
|
if (command(qw/diff-index HEAD --/)) { |
|
print STDERR "Cannot rebase with uncommited changes:\n"; |
|
command_noisy('status'); |
|
exit 1; |
|
} |
|
unless ($_local) { |
|
$_fetch_all ? $gs->fetch_all : $gs->fetch; |
|
} |
|
command_noisy(rebase_cmd(), $gs->refname); |
|
} |
|
|
|
sub cmd_show_ignore { |
|
my ($url, $rev, $uuid, $gs) = working_head_info('HEAD'); |
|
$gs ||= Git::SVN->new; |
|
my $r = (defined $_revision ? $_revision : $gs->ra->get_latest_revnum); |
|
$gs->traverse_ignore(\*STDOUT, $gs->{path}, $r); |
|
} |
|
|
|
sub cmd_multi_init { |
|
my $url = shift; |
|
unless (defined $_trunk || defined $_branches || defined $_tags) { |
|
usage(1); |
|
} |
|
|
|
# there are currently some bugs that prevent multi-init/multi-fetch |
|
# setups from working well without this. |
|
$Git::SVN::_minimize_url = 1; |
|
|
|
$_prefix = '' unless defined $_prefix; |
|
if (defined $url) { |
|
$url =~ s#/+$##; |
|
init_subdir(@_); |
|
} |
|
do_git_init_db(); |
|
if (defined $_trunk) { |
|
my $trunk_ref = $_prefix . 'trunk'; |
|
# try both old-style and new-style lookups: |
|
my $gs_trunk = eval { Git::SVN->new($trunk_ref) }; |
|
unless ($gs_trunk) { |
|
my ($trunk_url, $trunk_path) = |
|
complete_svn_url($url, $_trunk); |
|
$gs_trunk = Git::SVN->init($trunk_url, $trunk_path, |
|
undef, $trunk_ref); |
|
} |
|
} |
|
return unless defined $_branches || defined $_tags; |
|
my $ra = $url ? Git::SVN::Ra->new($url) : undef; |
|
complete_url_ls_init($ra, $_branches, '--branches/-b', $_prefix); |
|
complete_url_ls_init($ra, $_tags, '--tags/-t', $_prefix . 'tags/'); |
|
} |
|
|
|
sub cmd_multi_fetch { |
|
my $remotes = Git::SVN::read_all_remotes(); |
|
foreach my $repo_id (sort keys %$remotes) { |
|
if ($remotes->{$repo_id}->{url}) { |
|
Git::SVN::fetch_all($repo_id, $remotes); |
|
} |
|
} |
|
} |
|
|
|
# this command is special because it requires no metadata |
|
sub cmd_commit_diff { |
|
my ($ta, $tb, $url) = @_; |
|
my $usage = "Usage: $0 commit-diff -r<revision> ". |
|
"<tree-ish> <tree-ish> [<URL>]\n"; |
|
fatal($usage) if (!defined $ta || !defined $tb); |
|
my $svn_path; |
|
if (!defined $url) { |
|
my $gs = eval { Git::SVN->new }; |
|
if (!$gs) { |
|
fatal("Needed URL or usable git-svn --id in ", |
|
"the command-line\n", $usage); |
|
} |
|
$url = $gs->{url}; |
|
$svn_path = $gs->{path}; |
|
} |
|
unless (defined $_revision) { |
|
fatal("-r|--revision is a required argument\n", $usage); |
|
} |
|
if (defined $_message && defined $_file) { |
|
fatal("Both --message/-m and --file/-F specified ", |
|
"for the commit message.\n", |
|
"I have no idea what you mean\n"); |
|
} |
|
if (defined $_file) { |
|
$_message = file_to_s($_file); |
|
} else { |
|
$_message ||= get_commit_entry($tb)->{log}; |
|
} |
|
my $ra ||= Git::SVN::Ra->new($url); |
|
$svn_path ||= $ra->{svn_path}; |
|
my $r = $_revision; |
|
if ($r eq 'HEAD') { |
|
$r = $ra->get_latest_revnum; |
|
} elsif ($r !~ /^\d+$/) { |
|
die "revision argument: $r not understood by git-svn\n"; |
|
} |
|
my %ed_opts = ( r => $r, |
|
log => $_message, |
|
ra => $ra, |
|
tree_a => $ta, |
|
tree_b => $tb, |
|
editor_cb => sub { print "Committed r$_[0]\n" }, |
|
svn_path => $svn_path ); |
|
if (!SVN::Git::Editor->new(\%ed_opts)->apply_diff) { |
|
print "No changes\n$ta == $tb\n"; |
|
} |
|
} |
|
|
|
########################### utility functions ######################### |
|
|
|
sub rebase_cmd { |
|
my @cmd = qw/rebase/; |
|
push @cmd, '-v' if $_verbose; |
|
push @cmd, qw/--merge/ if $_merge; |
|
push @cmd, "--strategy=$_strategy" if $_strategy; |
|
@cmd; |
|
} |
|
|
|
sub post_fetch_checkout { |
|
return if $_no_checkout; |
|
my $gs = $Git::SVN::_head or return; |
|
return if verify_ref('refs/heads/master^0'); |
|
|
|
my $valid_head = verify_ref('HEAD^0'); |
|
command_noisy(qw(update-ref refs/heads/master), $gs->refname); |
|
return if ($valid_head || !verify_ref('HEAD^0')); |
|
|
|
return if $ENV{GIT_DIR} !~ m#^(?:.*/)?\.git$#; |
|
my $index = $ENV{GIT_INDEX_FILE} || "$ENV{GIT_DIR}/index"; |
|
return if -f $index; |
|
|
|
return if command_oneline(qw/rev-parse --is-inside-work-tree/) eq 'false'; |
|
return if command_oneline(qw/rev-parse --is-inside-git-dir/) eq 'true'; |
|
command_noisy(qw/read-tree -m -u -v HEAD HEAD/); |
|
print STDERR "Checked out HEAD:\n ", |
|
$gs->full_url, " r", $gs->last_rev, "\n"; |
|
} |
|
|
|
sub complete_svn_url { |
|
my ($url, $path) = @_; |
|
$path =~ s#/+$##; |
|
if ($path !~ m#^[a-z\+]+://#) { |
|
if (!defined $url || $url !~ m#^[a-z\+]+://#) { |
|
fatal("E: '$path' is not a complete URL ", |
|
"and a separate URL is not specified\n"); |
|
} |
|
return ($url, $path); |
|
} |
|
return ($path, ''); |
|
} |
|
|
|
sub complete_url_ls_init { |
|
my ($ra, $repo_path, $switch, $pfx) = @_; |
|
unless ($repo_path) { |
|
print STDERR "W: $switch not specified\n"; |
|
return; |
|
} |
|
$repo_path =~ s#/+$##; |
|
if ($repo_path =~ m#^[a-z\+]+://#) { |
|
$ra = Git::SVN::Ra->new($repo_path); |
|
$repo_path = ''; |
|
} else { |
|
$repo_path =~ s#^/+##; |
|
unless ($ra) { |
|
fatal("E: '$repo_path' is not a complete URL ", |
|
"and a separate URL is not specified\n"); |
|
} |
|
} |
|
my $url = $ra->{url}; |
|
my $gs = Git::SVN->init($url, undef, undef, undef, 1); |
|
my $k = "svn-remote.$gs->{repo_id}.url"; |
|
my $orig_url = eval { command_oneline(qw/config --get/, $k) }; |
|
if ($orig_url && ($orig_url ne $gs->{url})) { |
|
die "$k already set: $orig_url\n", |
|
"wanted to set to: $gs->{url}\n"; |
|
} |
|
command_oneline('config', $k, $gs->{url}) unless $orig_url; |
|
my $remote_path = "$ra->{svn_path}/$repo_path/*"; |
|
$remote_path =~ s#/+#/#g; |
|
$remote_path =~ s#^/##g; |
|
my ($n) = ($switch =~ /^--(\w+)/); |
|
if (length $pfx && $pfx !~ m#/$#) { |
|
die "--prefix='$pfx' must have a trailing slash '/'\n"; |
|
} |
|
command_noisy('config', "svn-remote.$gs->{repo_id}.$n", |
|
"$remote_path:refs/remotes/$pfx*"); |
|
} |
|
|
|
sub verify_ref { |
|
my ($ref) = @_; |
|
eval { command_oneline([ 'rev-parse', '--verify', $ref ], |
|
{ STDERR => 0 }); }; |
|
} |
|
|
|
sub get_tree_from_treeish { |
|
my ($treeish) = @_; |
|
# $treeish can be a symbolic ref, too: |
|
my $type = command_oneline(qw/cat-file -t/, $treeish); |
|
my $expected; |
|
while ($type eq 'tag') { |
|
($treeish, $type) = command(qw/cat-file tag/, $treeish); |
|
} |
|
if ($type eq 'commit') { |
|
$expected = (grep /^tree /, command(qw/cat-file commit/, |
|
$treeish))[0]; |
|
($expected) = ($expected =~ /^tree ($sha1)$/o); |
|
die "Unable to get tree from $treeish\n" unless $expected; |
|
} elsif ($type eq 'tree') { |
|
$expected = $treeish; |
|
} else { |
|
die "$treeish is a $type, expected tree, tag or commit\n"; |
|
} |
|
return $expected; |
|
} |
|
|
|
sub get_commit_entry { |
|
my ($treeish) = shift; |
|
my %log_entry = ( log => '', tree => get_tree_from_treeish($treeish) ); |
|
my $commit_editmsg = "$ENV{GIT_DIR}/COMMIT_EDITMSG"; |
|
my $commit_msg = "$ENV{GIT_DIR}/COMMIT_MSG"; |
|
open my $log_fh, '>', $commit_editmsg or croak $!; |
|
|
|
my $type = command_oneline(qw/cat-file -t/, $treeish); |
|
if ($type eq 'commit' || $type eq 'tag') { |
|
my ($msg_fh, $ctx) = command_output_pipe('cat-file', |
|
$type, $treeish); |
|
my $in_msg = 0; |
|
while (<$msg_fh>) { |
|
if (!$in_msg) { |
|
$in_msg = 1 if (/^\s*$/); |
|
} elsif (/^git-svn-id: /) { |
|
# skip this for now, we regenerate the |
|
# correct one on re-fetch anyways |
|
# TODO: set *:merge properties or like... |
|
} else { |
|
print $log_fh $_ or croak $!; |
|
} |
|
} |
|
command_close_pipe($msg_fh, $ctx); |
|
} |
|
close $log_fh or croak $!; |
|
|
|
if ($_edit || ($type eq 'tree')) { |
|
my $editor = $ENV{VISUAL} || $ENV{EDITOR} || 'vi'; |
|
# TODO: strip out spaces, comments, like git-commit.sh |
|
system($editor, $commit_editmsg); |
|
} |
|
rename $commit_editmsg, $commit_msg or croak $!; |
|
open $log_fh, '<', $commit_msg or croak $!; |
|
{ local $/; chomp($log_entry{log} = <$log_fh>); } |
|
close $log_fh or croak $!; |
|
unlink $commit_msg; |
|
\%log_entry; |
|
} |
|
|
|
sub s_to_file { |
|
my ($str, $file, $mode) = @_; |
|
open my $fd,'>',$file or croak $!; |
|
print $fd $str,"\n" or croak $!; |
|
close $fd or croak $!; |
|
chmod ($mode &~ umask, $file) if (defined $mode); |
|
} |
|
|
|
sub file_to_s { |
|
my $file = shift; |
|
open my $fd,'<',$file or croak "$!: file: $file\n"; |
|
local $/; |
|
my $ret = <$fd>; |
|
close $fd or croak $!; |
|
$ret =~ s/\s*$//s; |
|
return $ret; |
|
} |
|
|
|
# '<svn username> = real-name <email address>' mapping based on git-svnimport: |
|
sub load_authors { |
|
open my $authors, '<', $_authors or die "Can't open $_authors $!\n"; |
|
my $log = $cmd eq 'log'; |
|
while (<$authors>) { |
|
chomp; |
|
next unless /^(.+?|\(no author\))\s*=\s*(.+?)\s*<(.+)>\s*$/; |
|
my ($user, $name, $email) = ($1, $2, $3); |
|
if ($log) { |
|
$Git::SVN::Log::rusers{"$name <$email>"} = $user; |
|
} else { |
|
$users{$user} = [$name, $email]; |
|
} |
|
} |
|
close $authors or croak $!; |
|
} |
|
|
|
# convert GetOpt::Long specs for use by git-config |
|
sub read_repo_config { |
|
return unless -d $ENV{GIT_DIR}; |
|
my $opts = shift; |
|
my @config_only; |
|
foreach my $o (keys %$opts) { |
|
# if we have mixedCase and a long option-only, then |
|
# it's a config-only variable that we don't need for |
|
# the command-line. |
|
push @config_only, $o if ($o =~ /[A-Z]/ && $o =~ /^[a-z]+$/i); |
|
my $v = $opts->{$o}; |
|
my ($key) = ($o =~ /^([a-zA-Z\-]+)/); |
|
$key =~ s/-//g; |
|
my $arg = 'git-config'; |
|
$arg .= ' --int' if ($o =~ /[:=]i$/); |
|
$arg .= ' --bool' if ($o !~ /[:=][sfi]$/); |
|
if (ref $v eq 'ARRAY') { |
|
chomp(my @tmp = `$arg --get-all svn.$key`); |
|
@$v = @tmp if @tmp; |
|
} else { |
|
chomp(my $tmp = `$arg --get svn.$key`); |
|
if ($tmp && !($arg =~ / --bool/ && $tmp eq 'false')) { |
|
$$v = $tmp; |
|
} |
|
} |
|
} |
|
delete @$opts{@config_only} if @config_only; |
|
} |
|
|
|
sub extract_metadata { |
|
my $id = shift or return (undef, undef, undef); |
|
my ($url, $rev, $uuid) = ($id =~ /^\s*git-svn-id:\s+(.*)\@(\d+) |
|
\s([a-f\d\-]+)$/x); |
|
if (!defined $rev || !$uuid || !$url) { |
|
# some of the original repositories I made had |
|
# identifiers like this: |
|
($rev, $uuid) = ($id =~/^\s*git-svn-id:\s(\d+)\@([a-f\d\-]+)/); |
|
} |
|
return ($url, $rev, $uuid); |
|
} |
|
|
|
sub cmt_metadata { |
|
return extract_metadata((grep(/^git-svn-id: /, |
|
command(qw/cat-file commit/, shift)))[-1]); |
|
} |
|
|
|
sub working_head_info { |
|
my ($head, $refs) = @_; |
|
my ($fh, $ctx) = command_output_pipe('log', '--no-color', $head); |
|
my $hash; |
|
my %max; |
|
while (<$fh>) { |
|
if ( m{^commit ($::sha1)$} ) { |
|
unshift @$refs, $hash if $hash and $refs; |
|
$hash = $1; |
|
next; |
|
} |
|
next unless s{^\s*(git-svn-id:)}{$1}; |
|
my ($url, $rev, $uuid) = extract_metadata($_); |
|
if (defined $url && defined $rev) { |
|
next if $max{$url} and $max{$url} < $rev; |
|
if (my $gs = Git::SVN->find_by_url($url)) { |
|
my $c = $gs->rev_db_get($rev); |
|
if ($c && $c eq $hash) { |
|
close $fh; # break the pipe |
|
return ($url, $rev, $uuid, $gs); |
|
} else { |
|
$max{$url} ||= $gs->rev_db_max; |
|
} |
|
} |
|
} |
|
} |
|
command_close_pipe($fh, $ctx); |
|
(undef, undef, undef, undef); |
|
} |
|
|
|
sub read_commit_parents { |
|
my ($parents, $c) = @_; |
|
my ($fh, $ctx) = command_output_pipe(qw/cat-file commit/, $c); |
|
while (<$fh>) { |
|
chomp; |
|
last if ''; |
|
/^parent ($sha1)/ or next; |
|
push @{$parents->{$c}}, $1; |
|
} |
|
close $fh; # break the pipe |
|
} |
|
|
|
sub linearize_history { |
|
my ($gs, $refs) = @_; |
|
my %parents; |
|
foreach my $c (@$refs) { |
|
read_commit_parents(\%parents, $c); |
|
} |
|
|
|
my @linear_refs; |
|
my %skip = (); |
|
my $last_svn_commit = $gs->last_commit; |
|
foreach my $c (reverse @$refs) { |
|
next if $c eq $last_svn_commit; |
|
last if $skip{$c}; |
|
|
|
unshift @linear_refs, $c; |
|
$skip{$c} = 1; |
|
|
|
# we only want the first parent to diff against for linear |
|
# history, we save the rest to inject when we finalize the |
|
# svn commit |
|
my $fp_a = verify_ref("$c~1"); |
|
my $fp_b = shift @{$parents{$c}} if $parents{$c}; |
|
if (!$fp_a || !$fp_b) { |
|
die "Commit $c\n", |
|
"has no parent commit, and therefore ", |
|
"nothing to diff against.\n", |
|
"You should be working from a repository ", |
|
"originally created by git-svn\n"; |
|
} |
|
if ($fp_a ne $fp_b) { |
|
die "$c~1 = $fp_a, however parsing commit $c ", |
|
"revealed that:\n$c~1 = $fp_b\nBUG!\n"; |
|
} |
|
|
|
foreach my $p (@{$parents{$c}}) { |
|
$skip{$p} = 1; |
|
} |
|
} |
|
(\@linear_refs, \%parents); |
|
} |
|
|
|
package Git::SVN; |
|
use strict; |
|
use warnings; |
|
use vars qw/$default_repo_id $default_ref_id $_no_metadata $_follow_parent |
|
$_repack $_repack_flags $_use_svm_props $_head |
|
$_use_svnsync_props $no_reuse_existing $_minimize_url/; |
|
use Carp qw/croak/; |
|
use File::Path qw/mkpath/; |
|
use File::Copy qw/copy/; |
|
use IPC::Open3; |
|
|
|
my $_repack_nr; |
|
# properties that we do not log: |
|
my %SKIP_PROP; |
|
BEGIN { |
|
%SKIP_PROP = map { $_ => 1 } qw/svn:wc:ra_dav:version-url |
|
svn:special svn:executable |
|
svn:entry:committed-rev |
|
svn:entry:last-author |
|
svn:entry:uuid |
|
svn:entry:committed-date/; |
|
|
|
# some options are read globally, but can be overridden locally |
|
# per [svn-remote "..."] section. Command-line options will *NOT* |
|
# override options set in an [svn-remote "..."] section |
|
no strict 'refs'; |
|
for my $option (qw/follow_parent no_metadata use_svm_props |
|
use_svnsync_props/) { |
|
my $key = $option; |
|
$key =~ tr/_//d; |
|
my $prop = "-$option"; |
|
*$option = sub { |
|
my ($self) = @_; |
|
return $self->{$prop} if exists $self->{$prop}; |
|
my $k = "svn-remote.$self->{repo_id}.$key"; |
|
eval { command_oneline(qw/config --get/, $k) }; |
|
if ($@) { |
|
$self->{$prop} = ${"Git::SVN::_$option"}; |
|
} else { |
|
my $v = command_oneline(qw/config --bool/,$k); |
|
$self->{$prop} = $v eq 'false' ? 0 : 1; |
|
} |
|
return $self->{$prop}; |
|
} |
|
} |
|
} |
|
|
|
my %LOCKFILES; |
|
END { unlink keys %LOCKFILES if %LOCKFILES } |
|
|
|
sub resolve_local_globs { |
|
my ($url, $fetch, $glob_spec) = @_; |
|
return unless defined $glob_spec; |
|
my $ref = $glob_spec->{ref}; |
|
my $path = $glob_spec->{path}; |
|
foreach (command(qw#for-each-ref --format=%(refname) refs/remotes#)) { |
|
next unless m#^refs/remotes/$ref->{regex}$#; |
|
my $p = $1; |
|
my $pathname = desanitize_refname($path->full_path($p)); |
|
my $refname = desanitize_refname($ref->full_path($p)); |
|
if (my $existing = $fetch->{$pathname}) { |
|
if ($existing ne $refname) { |
|
die "Refspec conflict:\n", |
|
"existing: refs/remotes/$existing\n", |
|
" globbed: refs/remotes/$refname\n"; |
|
} |
|
my $u = (::cmt_metadata("refs/remotes/$refname"))[0]; |
|
$u =~ s!^\Q$url\E(/|$)!! or die |
|
"refs/remotes/$refname: '$url' not found in '$u'\n"; |
|
if ($pathname ne $u) { |
|
warn "W: Refspec glob conflict ", |
|
"(ref: refs/remotes/$refname):\n", |
|
"expected path: $pathname\n", |
|
" real path: $u\n", |
|
"Continuing ahead with $u\n"; |
|
next; |
|
} |
|
} else { |
|
$fetch->{$pathname} = $refname; |
|
} |
|
} |
|
} |
|
|
|
sub parse_revision_argument { |
|
my ($base, $head) = @_; |
|
if (!defined $::_revision || $::_revision eq 'BASE:HEAD') { |
|
return ($base, $head); |
|
} |
|
return ($1, $2) if ($::_revision =~ /^(\d+):(\d+)$/); |
|
return ($::_revision, $::_revision) if ($::_revision =~ /^\d+$/); |
|
return ($head, $head) if ($::_revision eq 'HEAD'); |
|
return ($base, $1) if ($::_revision =~ /^BASE:(\d+)$/); |
|
return ($1, $head) if ($::_revision =~ /^(\d+):HEAD$/); |
|
die "revision argument: $::_revision not understood by git-svn\n"; |
|
} |
|
|
|
sub fetch_all { |
|
my ($repo_id, $remotes) = @_; |
|
if (ref $repo_id) { |
|
my $gs = $repo_id; |
|
$repo_id = undef; |
|
$repo_id = $gs->{repo_id}; |
|
} |
|
$remotes ||= read_all_remotes(); |
|
my $remote = $remotes->{$repo_id} or |
|
die "[svn-remote \"$repo_id\"] unknown\n"; |
|
my $fetch = $remote->{fetch}; |
|
my $url = $remote->{url} or die "svn-remote.$repo_id.url not defined\n"; |
|
my (@gs, @globs); |
|
my $ra = Git::SVN::Ra->new($url); |
|
my $uuid = $ra->get_uuid; |
|
my $head = $ra->get_latest_revnum; |
|
my $base = defined $fetch ? $head : 0; |
|
|
|
# read the max revs for wildcard expansion (branches/*, tags/*) |
|
foreach my $t (qw/branches tags/) { |
|
defined $remote->{$t} or next; |
|
push @globs, $remote->{$t}; |
|
my $max_rev = eval { tmp_config(qw/--int --get/, |
|
"svn-remote.$repo_id.${t}-maxRev") }; |
|
if (defined $max_rev && ($max_rev < $base)) { |
|
$base = $max_rev; |
|
} elsif (!defined $max_rev) { |
|
$base = 0; |
|
} |
|
} |
|
|
|
if ($fetch) { |
|
foreach my $p (sort keys %$fetch) { |
|
my $gs = Git::SVN->new($fetch->{$p}, $repo_id, $p); |
|
my $lr = $gs->rev_db_max; |
|
if (defined $lr) { |
|
$base = $lr if ($lr < $base); |
|
} |
|
push @gs, $gs; |
|
} |
|
} |
|
|
|
($base, $head) = parse_revision_argument($base, $head); |
|
$ra->gs_fetch_loop_common($base, $head, \@gs, \@globs); |
|
} |
|
|
|
sub read_all_remotes { |
|
my $r = {}; |
|
foreach (grep { s/^svn-remote\.// } command(qw/config -l/)) { |
|
if (m!^(.+)\.fetch=\s*(.*)\s*:\s*refs/remotes/(.+)\s*$!) { |
|
my ($remote, $local_ref, $remote_ref) = ($1, $2, $3); |
|
$local_ref =~ s{^/}{}; |
|
$r->{$remote}->{fetch}->{$local_ref} = $remote_ref; |
|
} elsif (m!^(.+)\.url=\s*(.*)\s*$!) { |
|
$r->{$1}->{url} = $2; |
|
} elsif (m!^(.+)\.(branches|tags)= |
|
(.*):refs/remotes/(.+)\s*$/!x) { |
|
my ($p, $g) = ($3, $4); |
|
my $rs = $r->{$1}->{$2} = { |
|
t => $2, |
|
remote => $1, |
|
path => Git::SVN::GlobSpec->new($p), |
|
ref => Git::SVN::GlobSpec->new($g) }; |
|
if (length($rs->{ref}->{right}) != 0) { |
|
die "The '*' glob character must be the last ", |
|
"character of '$g'\n"; |
|
} |
|
} |
|
} |
|
$r; |
|
} |
|
|
|
sub init_vars { |
|
if (defined $_repack) { |
|
$_repack = 1000 if ($_repack <= 0); |
|
$_repack_nr = $_repack; |
|
$_repack_flags ||= '-d'; |
|
} |
|
} |
|
|
|
sub verify_remotes_sanity { |
|
return unless -d $ENV{GIT_DIR}; |
|
my %seen; |
|
foreach (command(qw/config -l/)) { |
|
if (m!^svn-remote\.(?:.+)\.fetch=.*:refs/remotes/(\S+)\s*$!) { |
|
if ($seen{$1}) { |
|
die "Remote ref refs/remote/$1 is tracked by", |
|
"\n \"$_\"\nand\n \"$seen{$1}\"\n", |
|
"Please resolve this ambiguity in ", |
|
"your git configuration file before ", |
|
"continuing\n"; |
|
} |
|
$seen{$1} = $_; |
|
} |
|
} |
|
} |
|
|
|
# we allow more chars than remotes2config.sh... |
|
sub sanitize_remote_name { |
|
my ($name) = @_; |
|
$name =~ tr{A-Za-z0-9:,/+-}{.}c; |
|
$name; |
|
} |
|
|
|
sub find_existing_remote { |
|
my ($url, $remotes) = @_; |
|
return undef if $no_reuse_existing; |
|
my $existing; |
|
foreach my $repo_id (keys %$remotes) { |
|
my $u = $remotes->{$repo_id}->{url} or next; |
|
next if $u ne $url; |
|
$existing = $repo_id; |
|
last; |
|
} |
|
$existing; |
|
} |
|
|
|
sub init_remote_config { |
|
my ($self, $url, $no_write) = @_; |
|
$url =~ s!/+$!!; # strip trailing slash |
|
my $r = read_all_remotes(); |
|
my $existing = find_existing_remote($url, $r); |
|
if ($existing) { |
|
unless ($no_write) { |
|
print STDERR "Using existing ", |
|
"[svn-remote \"$existing\"]\n"; |
|
} |
|
$self->{repo_id} = $existing; |
|
} elsif ($_minimize_url) { |
|
my $min_url = Git::SVN::Ra->new($url)->minimize_url; |
|
$existing = find_existing_remote($min_url, $r); |
|
if ($existing) { |
|
unless ($no_write) { |
|
print STDERR "Using existing ", |
|
"[svn-remote \"$existing\"]\n"; |
|
} |
|
$self->{repo_id} = $existing; |
|
} |
|
if ($min_url ne $url) { |
|
unless ($no_write) { |
|
print STDERR "Using higher level of URL: ", |
|
"$url => $min_url\n"; |
|
} |
|
my $old_path = $self->{path}; |
|
$self->{path} = $url; |
|
$self->{path} =~ s!^\Q$min_url\E(/|$)!!; |
|
if (length $old_path) { |
|
$self->{path} .= "/$old_path"; |
|
} |
|
$url = $min_url; |
|
} |
|
} |
|
my $orig_url; |
|
if (!$existing) { |
|
# verify that we aren't overwriting anything: |
|
$orig_url = eval { |
|
command_oneline('config', '--get', |
|
"svn-remote.$self->{repo_id}.url") |
|
}; |
|
if ($orig_url && ($orig_url ne $url)) { |
|
die "svn-remote.$self->{repo_id}.url already set: ", |
|
"$orig_url\nwanted to set to: $url\n"; |
|
} |
|
} |
|
my ($xrepo_id, $xpath) = find_ref($self->refname); |
|
if (defined $xpath) { |
|
die "svn-remote.$xrepo_id.fetch already set to track ", |
|
"$xpath:refs/remotes/", $self->refname, "\n"; |
|
} |
|
unless ($no_write) { |
|
command_noisy('config', |
|
"svn-remote.$self->{repo_id}.url", $url); |
|
$self->{path} =~ s{^/}{}; |
|
command_noisy('config', '--add', |
|
"svn-remote.$self->{repo_id}.fetch", |
|
"$self->{path}:".$self->refname); |
|
} |
|
$self->{url} = $url; |
|
} |
|
|
|
sub find_by_url { # repos_root and, path are optional |
|
my ($class, $full_url, $repos_root, $path) = @_; |
|
|
|
return undef unless defined $full_url; |
|
remove_username($full_url); |
|
remove_username($repos_root) if defined $repos_root; |
|
my $remotes = read_all_remotes(); |
|
if (defined $full_url && defined $repos_root && !defined $path) { |
|
$path = $full_url; |
|
$path =~ s#^\Q$repos_root\E(?:/|$)##; |
|
} |
|
foreach my $repo_id (keys %$remotes) { |
|
my $u = $remotes->{$repo_id}->{url} or next; |
|
remove_username($u); |
|
next if defined $repos_root && $repos_root ne $u; |
|
|
|
my $fetch = $remotes->{$repo_id}->{fetch} || {}; |
|
foreach (qw/branches tags/) { |
|
resolve_local_globs($u, $fetch, |
|
$remotes->{$repo_id}->{$_}); |
|
} |
|
my $p = $path; |
|
unless (defined $p) { |
|
$p = $full_url; |
|
$p =~ s#^\Q$u\E(?:/|$)## or next; |
|
} |
|
foreach my $f (keys %$fetch) { |
|
next if $f ne $p; |
|
return Git::SVN->new($fetch->{$f}, $repo_id, $f); |
|
} |
|
} |
|
undef; |
|
} |
|
|
|
sub init { |
|
my ($class, $url, $path, $repo_id, $ref_id, $no_write) = @_; |
|
my $self = _new($class, $repo_id, $ref_id, $path); |
|
if (defined $url) { |
|
$self->init_remote_config($url, $no_write); |
|
} |
|
$self; |
|
} |
|
|
|
sub find_ref { |
|
my ($ref_id) = @_; |
|
foreach (command(qw/config -l/)) { |
|
next unless m!^svn-remote\.(.+)\.fetch= |
|
\s*(.*)\s*:\s*refs/remotes/(.+)\s*$!x; |
|
my ($repo_id, $path, $ref) = ($1, $2, $3); |
|
if ($ref eq $ref_id) { |
|
$path = '' if ($path =~ m#^\./?#); |
|
return ($repo_id, $path); |
|
} |
|
} |
|
(undef, undef, undef); |
|
} |
|
|
|
sub new { |
|
my ($class, $ref_id, $repo_id, $path) = @_; |
|
if (defined $ref_id && !defined $repo_id && !defined $path) { |
|
($repo_id, $path) = find_ref($ref_id); |
|
if (!defined $repo_id) { |
|
die "Could not find a \"svn-remote.*.fetch\" key ", |
|
"in the repository configuration matching: ", |
|
"refs/remotes/$ref_id\n"; |
|
} |
|
} |
|
my $self = _new($class, $repo_id, $ref_id, $path); |
|
if (!defined $self->{path} || !length $self->{path}) { |
|
my $fetch = command_oneline('config', '--get', |
|
"svn-remote.$repo_id.fetch", |
|
":refs/remotes/$ref_id\$") or |
|
die "Failed to read \"svn-remote.$repo_id.fetch\" ", |
|
"\":refs/remotes/$ref_id\$\" in config\n"; |
|
($self->{path}, undef) = split(/\s*:\s*/, $fetch); |
|
} |
|
$self->{url} = command_oneline('config', '--get', |
|
"svn-remote.$repo_id.url") or |
|
die "Failed to read \"svn-remote.$repo_id.url\" in config\n"; |
|
$self->rebuild; |
|
$self; |
|
} |
|
|
|
sub refname { |
|
my ($refname) = "refs/remotes/$_[0]->{ref_id}" ; |
|
|
|
# It cannot end with a slash /, we'll throw up on this because |
|
# SVN can't have directories with a slash in their name, either: |
|
if ($refname =~ m{/$}) { |
|
die "ref: '$refname' ends with a trailing slash, this is ", |
|
"not permitted by git nor Subversion\n"; |
|
} |
|
|
|
# It cannot have ASCII control character space, tilde ~, caret ^, |
|
# colon :, question-mark ?, asterisk *, space, or open bracket [ |
|
# anywhere. |
|
# |
|
# Additionally, % must be escaped because it is used for escaping |
|
# and we want our escaped refname to be reversible |
|
$refname =~ s{([ \%~\^:\?\*\[\t])}{uc sprintf('%%%02x',ord($1))}eg; |
|
|
|
# no slash-separated component can begin with a dot . |
|
# /.* becomes /%2E* |
|
$refname =~ s{/\.}{/%2E}g; |
|
|
|
# It cannot have two consecutive dots .. anywhere |
|
# .. becomes %2E%2E |
|
$refname =~ s{\.\.}{%2E%2E}g; |
|
|
|
return $refname; |
|
} |
|
|
|
sub desanitize_refname { |
|
my ($refname) = @_; |
|
$refname =~ s{%(?:([0-9A-F]{2}))}{chr hex($1)}eg; |
|
return $refname; |
|
} |
|
|
|
sub svm_uuid { |
|
my ($self) = @_; |
|
return $self->{svm}->{uuid} if $self->svm; |
|
$self->ra; |
|
unless ($self->{svm}) { |
|
die "SVM UUID not cached, and reading remotely failed\n"; |
|
} |
|
$self->{svm}->{uuid}; |
|
} |
|
|
|
sub svm { |
|
my ($self) = @_; |
|
return $self->{svm} if $self->{svm}; |
|
my $svm; |
|
# see if we have it in our config, first: |
|
eval { |
|
my $section = "svn-remote.$self->{repo_id}"; |
|
$svm = { |
|
source => tmp_config('--get', "$section.svm-source"), |
|
uuid => tmp_config('--get', "$section.svm-uuid"), |
|
replace => tmp_config('--get', "$section.svm-replace"), |
|
} |
|
}; |
|
if ($svm && $svm->{source} && $svm->{uuid} && $svm->{replace}) { |
|
$self->{svm} = $svm; |
|
} |
|
$self->{svm}; |
|
} |
|
|
|
sub _set_svm_vars { |
|
my ($self, $ra) = @_; |
|
return $ra if $self->svm; |
|
|
|
my @err = ( "useSvmProps set, but failed to read SVM properties\n", |
|
"(svm:source, svm:uuid) ", |
|
"from the following URLs:\n" ); |
|
sub read_svm_props { |
|
my ($self, $ra, $path, $r) = @_; |
|
my $props = ($ra->get_dir($path, $r))[2]; |
|
my $src = $props->{'svm:source'}; |
|
my $uuid = $props->{'svm:uuid'}; |
|
return undef if (!$src || !$uuid); |
|
|
|
chomp($src, $uuid); |
|
|
|
$uuid =~ m{^[0-9a-f\-]{30,}$} |
|
or die "doesn't look right - svm:uuid is '$uuid'\n"; |
|
|
|
# the '!' is used to mark the repos_root!/relative/path |
|
$src =~ s{/?!/?}{/}; |
|
$src =~ s{/+$}{}; # no trailing slashes please |
|
# username is of no interest |
|
$src =~ s{(^[a-z\+]*://)[^/@]*@}{$1}; |
|
|
|
my $replace = $ra->{url}; |
|
$replace .= "/$path" if length $path; |
|
|
|
my $section = "svn-remote.$self->{repo_id}"; |
|
tmp_config("$section.svm-source", $src); |
|
tmp_config("$section.svm-replace", $replace); |
|
tmp_config("$section.svm-uuid", $uuid); |
|
$self->{svm} = { |
|
source => $src, |
|
uuid => $uuid, |
|
replace => $replace |
|
}; |
|
} |
|
|
|
my $r = $ra->get_latest_revnum; |
|
my $path = $self->{path}; |
|
my %tried; |
|
while (length $path) { |
|
unless ($tried{"$self->{url}/$path"}) { |
|
return $ra if $self->read_svm_props($ra, $path, $r); |
|
$tried{"$self->{url}/$path"} = 1; |
|
} |
|
$path =~ s#/?[^/]+$##; |
|
} |
|
die "Path: '$path' should be ''\n" if $path ne ''; |
|
return $ra if $self->read_svm_props($ra, $path, $r); |
|
$tried{"$self->{url}/$path"} = 1; |
|
|
|
if ($ra->{repos_root} eq $self->{url}) { |
|
die @err, (map { " $_\n" } keys %tried), "\n"; |
|
} |
|
|
|
# nope, make sure we're connected to the repository root: |
|
my $ok; |
|
my @tried_b; |
|
$path = $ra->{svn_path}; |
|
$ra = Git::SVN::Ra->new($ra->{repos_root}); |
|
while (length $path) { |
|
unless ($tried{"$ra->{url}/$path"}) { |
|
$ok = $self->read_svm_props($ra, $path, $r); |
|
last if $ok; |
|
$tried{"$ra->{url}/$path"} = 1; |
|
} |
|
$path =~ s#/?[^/]+$##; |
|
} |
|
die "Path: '$path' should be ''\n" if $path ne ''; |
|
$ok ||= $self->read_svm_props($ra, $path, $r); |
|
$tried{"$ra->{url}/$path"} = 1; |
|
if (!$ok) { |
|
die @err, (map { " $_\n" } keys %tried), "\n"; |
|
} |
|
Git::SVN::Ra->new($self->{url}); |
|
} |
|
|
|
sub svnsync { |
|
my ($self) = @_; |
|
return $self->{svnsync} if $self->{svnsync}; |
|
|
|
if ($self->no_metadata) { |
|
die "Can't have both 'noMetadata' and ", |
|
"'useSvnsyncProps' options set!\n"; |
|
} |
|
if ($self->rewrite_root) { |
|
die "Can't have both 'useSvnsyncProps' and 'rewriteRoot' ", |
|
"options set!\n"; |
|
} |
|
|
|
my $svnsync; |
|
# see if we have it in our config, first: |
|
eval { |
|
my $section = "svn-remote.$self->{repo_id}"; |
|
$svnsync = { |
|
url => tmp_config('--get', "$section.svnsync-url"), |
|
uuid => tmp_config('--get', "$section.svnsync-uuid"), |
|
} |
|
}; |
|
if ($svnsync && $svnsync->{url} && $svnsync->{uuid}) { |
|
return $self->{svnsync} = $svnsync; |
|
} |
|
|
|
my $err = "useSvnsyncProps set, but failed to read " . |
|
"svnsync property: svn:sync-from-"; |
|
my $rp = $self->ra->rev_proplist(0); |
|
|
|
my $url = $rp->{'svn:sync-from-url'} or die $err . "url\n"; |
|
$url =~ m{^[a-z\+]+://} or |
|
die "doesn't look right - svn:sync-from-url is '$url'\n"; |
|
|
|
my $uuid = $rp->{'svn:sync-from-uuid'} or die $err . "uuid\n"; |
|
$uuid =~ m{^[0-9a-f\-]{30,}$} or |
|
die "doesn't look right - svn:sync-from-uuid is '$uuid'\n"; |
|
|
|
my $section = "svn-remote.$self->{repo_id}"; |
|
tmp_config('--add', "$section.svnsync-uuid", $uuid); |
|
tmp_config('--add', "$section.svnsync-url", $url); |
|
return $self->{svnsync} = { url => $url, uuid => $uuid }; |
|
} |
|
|
|
# this allows us to memoize our SVN::Ra UUID locally and avoid a |
|
# remote lookup (useful for 'git svn log'). |
|
sub ra_uuid { |
|
my ($self) = @_; |
|
unless ($self->{ra_uuid}) { |
|
my $key = "svn-remote.$self->{repo_id}.uuid"; |
|
my $uuid = eval { tmp_config('--get', $key) }; |
|
if (!$@ && $uuid && $uuid =~ /^([a-f\d\-]{30,})$/) { |
|
$self->{ra_uuid} = $uuid; |
|
} else { |
|
die "ra_uuid called without URL\n" unless $self->{url}; |
|
$self->{ra_uuid} = $self->ra->get_uuid; |
|
tmp_config('--add', $key, $self->{ra_uuid}); |
|
} |
|
} |
|
$self->{ra_uuid}; |
|
} |
|
|
|
sub ra { |
|
my ($self) = shift; |
|
my $ra = Git::SVN::Ra->new($self->{url}); |
|
if ($self->use_svm_props && !$self->{svm}) { |
|
if ($self->no_metadata) { |
|
die "Can't have both 'noMetadata' and ", |
|
"'useSvmProps' options set!\n"; |
|
} elsif ($self->use_svnsync_props) { |
|
die "Can't have both 'useSvnsyncProps' and ", |
|
"'useSvmProps' options set!\n"; |
|
} |
|
$ra = $self->_set_svm_vars($ra); |
|
$self->{-want_revprops} = 1; |
|
} |
|
$ra; |
|
} |
|
|
|
sub rel_path { |
|
my ($self) = @_; |
|
my $repos_root = $self->ra->{repos_root}; |
|
return $self->{path} if ($self->{url} eq $repos_root); |
|
my $url = $self->{url} . |
|
(length $self->{path} ? "/$self->{path}" : $self->{path}); |
|
$url =~ s!^\Q$repos_root\E(?:/+|$)!!g; |
|
$url; |
|
} |
|
|
|
sub traverse_ignore { |
|
my ($self, $fh, $path, $r) = @_; |
|
$path =~ s#^/+##g; |
|
my $ra = $self->ra; |
|
my ($dirent, undef, $props) = $ra->get_dir($path, $r); |
|
my $p = $path; |
|
$p =~ s#^\Q$self->{path}\E(/|$)##; |
|
print $fh length $p ? "\n# $p\n" : "\n# /\n"; |
|
if (my $s = $props->{'svn:ignore'}) { |
|
$s =~ s/[\r\n]+/\n/g; |
|
chomp $s; |
|
if (length $p == 0) { |
|
$s =~ s#\n#\n/$p#g; |
|
print $fh "/$s\n"; |
|
} else { |
|
$s =~ s#\n#\n/$p/#g; |
|
print $fh "/$p/$s\n"; |
|
} |
|
} |
|
foreach (sort keys %$dirent) { |
|
next if $dirent->{$_}->{kind} != $SVN::Node::dir; |
|
$self->traverse_ignore($fh, "$path/$_", $r); |
|
} |
|
} |
|
|
|
sub last_rev { ($_[0]->last_rev_commit)[0] } |
|
sub last_commit { ($_[0]->last_rev_commit)[1] } |
|
|
|
# returns the newest SVN revision number and newest commit SHA1 |
|
sub last_rev_commit { |
|
my ($self) = @_; |
|
if (defined $self->{last_rev} && defined $self->{last_commit}) { |
|
return ($self->{last_rev}, $self->{last_commit}); |
|
} |
|
my $c = ::verify_ref($self->refname.'^0'); |
|
if ($c && !$self->use_svm_props && !$self->no_metadata) { |
|
my $rev = (::cmt_metadata($c))[1]; |
|
if (defined $rev) { |
|
($self->{last_rev}, $self->{last_commit}) = ($rev, $c); |
|
return ($rev, $c); |
|
} |
|
} |
|
my $db_path = $self->db_path; |
|
unless (-e $db_path) { |
|
($self->{last_rev}, $self->{last_commit}) = (undef, undef); |
|
return (undef, undef); |
|
} |
|
my $offset = -41; # from tail |
|
my $rl; |
|
open my $fh, '<', $db_path or croak "$db_path not readable: $!\n"; |
|
sysseek($fh, $offset, 2); # don't care for errors |
|
sysread($fh, $rl, 41) == 41 or return (undef, undef); |
|
chomp $rl; |
|
while (('0' x40) eq $rl && sysseek($fh, 0, 1) != 0) { |
|
$offset -= 41; |
|
sysseek($fh, $offset, 2); # don't care for errors |
|
sysread($fh, $rl, 41) == 41 or return (undef, undef); |
|
chomp $rl; |
|
} |
|
if ($c && $c ne $rl) { |
|
die "$db_path and ", $self->refname, |
|
" inconsistent!:\n$c != $rl\n"; |
|
} |
|
my $rev = sysseek($fh, 0, 1) or croak $!; |
|
$rev = ($rev - 41) / 41; |
|
close $fh or croak $!; |
|
($self->{last_rev}, $self->{last_commit}) = ($rev, $c); |
|
return ($rev, $c); |
|
} |
|
|
|
sub get_fetch_range { |
|
my ($self, $min, $max) = @_; |
|
$max ||= $self->ra->get_latest_revnum; |
|
$min ||= $self->rev_db_max; |
|
(++$min, $max); |
|
} |
|
|
|
sub tmp_config { |
|
my (@args) = @_; |
|
my $old_def_config = "$ENV{GIT_DIR}/svn/config"; |
|
my $config = "$ENV{GIT_DIR}/svn/.metadata"; |
|
if (! -f $config && -f $old_def_config) { |
|
rename $old_def_config, $config or |
|
die "Failed rename $old_def_config => $config: $!\n"; |
|
} |
|
my $old_config = $ENV{GIT_CONFIG}; |
|
$ENV{GIT_CONFIG} = $config; |
|
$@ = undef; |
|
my @ret = eval { |
|
unless (-f $config) { |
|
mkfile($config); |
|
open my $fh, '>', $config or |
|
die "Can't open $config: $!\n"; |
|
print $fh "; This file is used internally by ", |
|
"git-svn\n" or die |
|
"Couldn't write to $config: $!\n"; |
|
print $fh "; You should not have to edit it\n" or |
|
die "Couldn't write to $config: $!\n"; |
|
close $fh or die "Couldn't close $config: $!\n"; |
|
} |
|
command('config', @args); |
|
}; |
|
my $err = $@; |
|
if (defined $old_config) { |
|
$ENV{GIT_CONFIG} = $old_config; |
|
} else { |
|
delete $ENV{GIT_CONFIG}; |
|
} |
|
die $err if $err; |
|
wantarray ? @ret : $ret[0]; |
|
} |
|
|
|
sub tmp_index_do { |
|
my ($self, $sub) = @_; |
|
my $old_index = $ENV{GIT_INDEX_FILE}; |
|
$ENV{GIT_INDEX_FILE} = $self->{index}; |
|
$@ = undef; |
|
my @ret = eval { |
|
my ($dir, $base) = ($self->{index} =~ m#^(.*?)/?([^/]+)$#); |
|
mkpath([$dir]) unless -d $dir; |
|
&$sub; |
|
}; |
|
my $err = $@; |
|
if (defined $old_index) { |
|
$ENV{GIT_INDEX_FILE} = $old_index; |
|
} else { |
|
delete $ENV{GIT_INDEX_FILE}; |
|
} |
|
die $err if $err; |
|
wantarray ? @ret : $ret[0]; |
|
} |
|
|
|
sub assert_index_clean { |
|
my ($self, $treeish) = @_; |
|
|
|
$self->tmp_index_do(sub { |
|
command_noisy('read-tree', $treeish) unless -e $self->{index}; |
|
my $x = command_oneline('write-tree'); |
|
my ($y) = (command(qw/cat-file commit/, $treeish) =~ |
|
/^tree ($::sha1)/mo); |
|
return if $y eq $x; |
|
|
|
warn "Index mismatch: $y != $x\nrereading $treeish\n"; |
|
unlink $self->{index} or die "unlink $self->{index}: $!\n"; |
|
command_noisy('read-tree', $treeish); |
|
$x = command_oneline('write-tree'); |
|
if ($y ne $x) { |
|
::fatal "trees ($treeish) $y != $x\n", |
|
"Something is seriously wrong...\n"; |
|
} |
|
}); |
|
} |
|
|
|
sub get_commit_parents { |
|
my ($self, $log_entry) = @_; |
|
my (%seen, @ret, @tmp); |
|
# legacy support for 'set-tree'; this is only used by set_tree_cb: |
|
if (my $ip = $self->{inject_parents}) { |
|
if (my $commit = delete $ip->{$log_entry->{revision}}) { |
|
push @tmp, $commit; |
|
} |
|
} |
|
if (my $cur = ::verify_ref($self->refname.'^0')) { |
|
push @tmp, $cur; |
|
} |
|
if (my $ipd = $self->{inject_parents_dcommit}) { |
|
if (my $commit = delete $ipd->{$log_entry->{revision}}) { |
|
push @tmp, @$commit; |
|
} |
|
} |
|
push @tmp, $_ foreach (@{$log_entry->{parents}}, @tmp); |
|
while (my $p = shift @tmp) { |
|
next if $seen{$p}; |
|
$seen{$p} = 1; |
|
push @ret, $p; |
|
# MAXPARENT is defined to 16 in commit-tree.c: |
|
last if @ret >= 16; |
|
} |
|
if (@tmp) { |
|
die "r$log_entry->{revision}: No room for parents:\n\t", |
|
join("\n\t", @tmp), "\n"; |
|
} |
|
@ret; |
|
} |
|
|
|
sub rewrite_root { |
|
my ($self) = @_; |
|
return $self->{-rewrite_root} if exists $self->{-rewrite_root}; |
|
my $k = "svn-remote.$self->{repo_id}.rewriteRoot"; |
|
my $rwr = eval { command_oneline(qw/config --get/, $k) }; |
|
if ($rwr) { |
|
$rwr =~ s#/+$##; |
|
if ($rwr !~ m#^[a-z\+]+://#) { |
|
die "$rwr is not a valid URL (key: $k)\n"; |
|
} |
|
} |
|
$self->{-rewrite_root} = $rwr; |
|
} |
|
|
|
sub metadata_url { |
|
my ($self) = @_; |
|
($self->rewrite_root || $self->{url}) . |
|
(length $self->{path} ? '/' . $self->{path} : ''); |
|
} |
|
|
|
sub full_url { |
|
my ($self) = @_; |
|
$self->{url} . (length $self->{path} ? '/' . $self->{path} : ''); |
|
} |
|
|
|
sub do_git_commit { |
|
my ($self, $log_entry) = @_; |
|
my $lr = $self->last_rev; |
|
if (defined $lr && $lr >= $log_entry->{revision}) { |
|
die "Last fetched revision of ", $self->refname, |
|
" was r$lr, but we are about to fetch: ", |
|
"r$log_entry->{revision}!\n"; |
|
} |
|
if (my $c = $self->rev_db_get($log_entry->{revision})) { |
|
croak "$log_entry->{revision} = $c already exists! ", |
|
"Why are we refetching it?\n"; |
|
} |
|
$ENV{GIT_AUTHOR_NAME} = $ENV{GIT_COMMITTER_NAME} = $log_entry->{name}; |
|
$ENV{GIT_AUTHOR_EMAIL} = $ENV{GIT_COMMITTER_EMAIL} = |
|
$log_entry->{email}; |
|
$ENV{GIT_AUTHOR_DATE} = $ENV{GIT_COMMITTER_DATE} = $log_entry->{date}; |
|
|
|
my $tree = $log_entry->{tree}; |
|
if (!defined $tree) { |
|
$tree = $self->tmp_index_do(sub { |
|
command_oneline('write-tree') }); |
|
} |
|
die "Tree is not a valid sha1: $tree\n" if $tree !~ /^$::sha1$/o; |
|
|
|
my @exec = ('git-commit-tree', $tree); |
|
foreach ($self->get_commit_parents($log_entry)) { |
|
push @exec, '-p', $_; |
|
} |
|
defined(my $pid = open3(my $msg_fh, my $out_fh, '>&STDERR', @exec)) |
|
or croak $!; |
|
print $msg_fh $log_entry->{log} or croak $!; |
|
unless ($self->no_metadata) { |
|
print $msg_fh "\ngit-svn-id: $log_entry->{metadata}\n" |
|
or croak $!; |
|
} |
|
$msg_fh->flush == 0 or croak $!; |
|
close $msg_fh or croak $!; |
|
chomp(my $commit = do { local $/; <$out_fh> }); |
|
close $out_fh or croak $!; |
|
waitpid $pid, 0; |
|
croak $? if $?; |
|
if ($commit !~ /^$::sha1$/o) { |
|
die "Failed to commit, invalid sha1: $commit\n"; |
|
} |
|
|
|
$self->rev_db_set($log_entry->{revision}, $commit, 1); |
|
|
|
$self->{last_rev} = $log_entry->{revision}; |
|
$self->{last_commit} = $commit; |
|
print "r$log_entry->{revision}"; |
|
if (defined $log_entry->{svm_revision}) { |
|
print " (\@$log_entry->{svm_revision})"; |
|
$self->rev_db_set($log_entry->{svm_revision}, $commit, |
|
0, $self->svm_uuid); |
|
} |
|
print " = $commit ($self->{ref_id})\n"; |
|
if (defined $_repack && (--$_repack_nr == 0)) { |
|
$_repack_nr = $_repack; |
|
# repack doesn't use any arguments with spaces in them, does it? |
|
print "Running git repack $_repack_flags ...\n"; |
|
command_noisy('repack', split(/\s+/, $_repack_flags)); |
|
print "Done repacking\n"; |
|
} |
|
return $commit; |
|
} |
|
|
|
sub match_paths { |
|
my ($self, $paths, $r) = @_; |
|
return 1 if $self->{path} eq ''; |
|
if (my $path = $paths->{"/$self->{path}"}) { |
|
return ($path->{action} eq 'D') ? 0 : 1; |
|
} |
|
$self->{path_regex} ||= qr/^\/\Q$self->{path}\E\//; |
|
if (grep /$self->{path_regex}/, keys %$paths) { |
|
return 1; |
|
} |
|
my $c = ''; |
|
foreach (split m#/#, $self->{path}) { |
|
$c .= "/$_"; |
|
next unless ($paths->{$c} && |
|
($paths->{$c}->{action} =~ /^[AR]$/)); |
|
if ($self->ra->check_path($self->{path}, $r) == |
|
$SVN::Node::dir) { |
|
return 1; |
|
} |
|
} |
|
return 0; |
|
} |
|
|
|
sub find_parent_branch { |
|
my ($self, $paths, $rev) = @_; |
|
return undef unless $self->follow_parent; |
|
unless (defined $paths) { |
|
my $err_handler = $SVN::Error::handler; |
|
$SVN::Error::handler = \&Git::SVN::Ra::skip_unknown_revs; |
|
$self->ra->get_log([$self->{path}], $rev, $rev, 0, 1, 1, sub { |
|
$paths = |
|
Git::SVN::Ra::dup_changed_paths($_[0]) }); |
|
$SVN::Error::handler = $err_handler; |
|
} |
|
return undef unless defined $paths; |
|
|
|
# look for a parent from another branch: |
|
my @b_path_components = split m#/#, $self->rel_path; |
|
my @a_path_components; |
|
my $i; |
|
while (@b_path_components) { |
|
$i = $paths->{'/'.join('/', @b_path_components)}; |
|
last if $i && defined $i->{copyfrom_path}; |
|
unshift(@a_path_components, pop(@b_path_components)); |
|
} |
|
return undef unless defined $i && defined $i->{copyfrom_path}; |
|
my $branch_from = $i->{copyfrom_path}; |
|
if (@a_path_components) { |
|
print STDERR "branch_from: $branch_from => "; |
|
$branch_from .= '/'.join('/', @a_path_components); |
|
print STDERR $branch_from, "\n"; |
|
} |
|
my $r = $i->{copyfrom_rev}; |
|
my $repos_root = $self->ra->{repos_root}; |
|
my $url = $self->ra->{url}; |
|
my $new_url = $repos_root . $branch_from; |
|
print STDERR "Found possible branch point: ", |
|
"$new_url => ", $self->full_url, ", $r\n"; |
|
$branch_from =~ s#^/##; |
|
my $gs = Git::SVN->find_by_url($new_url, $repos_root, $branch_from); |
|
unless ($gs) { |
|
my $ref_id = $self->{ref_id}; |
|
$ref_id =~ s/\@\d+$//; |
|
$ref_id .= "\@$r"; |
|
# just grow a tail if we're not unique enough :x |
|
$ref_id .= '-' while find_ref($ref_id); |
|
print STDERR "Initializing parent: $ref_id\n"; |
|
$gs = Git::SVN->init($new_url, '', $ref_id, $ref_id, 1); |
|
} |
|
my ($r0, $parent) = $gs->find_rev_before($r, 1); |
|
if (!defined $r0 || !defined $parent) { |
|
my ($base, $head) = parse_revision_argument(0, $r); |
|
if ($base <= $r) { |
|
$gs->fetch($base, $r); |
|
} |
|
($r0, $parent) = $gs->last_rev_commit; |
|
} |
|
if (defined $r0 && defined $parent) { |
|
print STDERR "Found branch parent: ($self->{ref_id}) $parent\n"; |
|
my $ed; |
|
if ($self->ra->can_do_switch) { |
|
$self->assert_index_clean($parent); |
|
print STDERR "Following parent with do_switch\n"; |
|
# do_switch works with svn/trunk >= r22312, but that |
|
# is not included with SVN 1.4.3 (the latest version |
|
# at the moment), so we can't rely on it |
|
$self->{last_commit} = $parent; |
|
$ed = SVN::Git::Fetcher->new($self); |
|
$gs->ra->gs_do_switch($r0, $rev, $gs, |
|
$self->full_url, $ed) |
|
or die "SVN connection failed somewhere...\n"; |
|
} else { |
|
print STDERR "Following parent with do_update\n"; |
|
$ed = SVN::Git::Fetcher->new($self); |
|
$self->ra->gs_do_update($rev, $rev, $self, $ed) |
|
or die "SVN connection failed somewhere...\n"; |
|
} |
|
print STDERR "Successfully followed parent\n"; |
|
return $self->make_log_entry($rev, [$parent], $ed); |
|
} |
|
return undef; |
|
} |
|
|
|
sub do_fetch { |
|
my ($self, $paths, $rev) = @_; |
|
my $ed; |
|
my ($last_rev, @parents); |
|
if (my $lc = $self->last_commit) { |
|
# we can have a branch that was deleted, then re-added |
|
# under the same name but copied from another path, in |
|
# which case we'll have multiple parents (we don't |
|
# want to break the original ref, nor lose copypath info): |
|
if (my $log_entry = $self->find_parent_branch($paths, $rev)) { |
|
push @{$log_entry->{parents}}, $lc; |
|
return $log_entry; |
|
} |
|
$ed = SVN::Git::Fetcher->new($self); |
|
$last_rev = $self->{last_rev}; |
|
$ed->{c} = $lc; |
|
@parents = ($lc); |
|
} else { |
|
$last_rev = $rev; |
|
if (my $log_entry = $self->find_parent_branch($paths, $rev)) { |
|
return $log_entry; |
|
} |
|
$ed = SVN::Git::Fetcher->new($self); |
|
} |
|
unless ($self->ra->gs_do_update($last_rev, $rev, $self, $ed)) { |
|
die "SVN connection failed somewhere...\n"; |
|
} |
|
$self->make_log_entry($rev, \@parents, $ed); |
|
} |
|
|
|
sub get_untracked { |
|
my ($self, $ed) = @_; |
|
my @out; |
|
my $h = $ed->{empty}; |
|
foreach (sort keys %$h) { |
|
my $act = $h->{$_} ? '+empty_dir' : '-empty_dir'; |
|
push @out, " $act: " . uri_encode($_); |
|
warn "W: $act: $_\n"; |
|
} |
|
foreach my $t (qw/dir_prop file_prop/) { |
|
$h = $ed->{$t} or next; |
|
foreach my $path (sort keys %$h) { |
|
my $ppath = $path eq '' ? '.' : $path; |
|
foreach my $prop (sort keys %{$h->{$path}}) { |
|
next if $SKIP_PROP{$prop}; |
|
my $v = $h->{$path}->{$prop}; |
|
my $t_ppath_prop = "$t: " . |
|
uri_encode($ppath) . ' ' . |
|
uri_encode($prop); |
|
if (defined $v) { |
|
push @out, " +$t_ppath_prop " . |
|
uri_encode($v); |
|
} else { |
|
push @out, " -$t_ppath_prop"; |
|
} |
|
} |
|
} |
|
} |
|
foreach my $t (qw/absent_file absent_directory/) { |
|
$h = $ed->{$t} or next; |
|
foreach my $parent (sort keys %$h) { |
|
foreach my $path (sort @{$h->{$parent}}) { |
|
push @out, " $t: " . |
|
uri_encode("$parent/$path"); |
|
warn "W: $t: $parent/$path ", |
|
"Insufficient permissions?\n"; |
|
} |
|
} |
|
} |
|
\@out; |
|
} |
|
|
|
sub parse_svn_date { |
|
my $date = shift || return '+0000 1970-01-01 00:00:00'; |
|
my ($Y,$m,$d,$H,$M,$S) = ($date =~ /^(\d{4})\-(\d\d)\-(\d\d)T |
|
(\d\d)\:(\d\d)\:(\d\d).\d+Z$/x) or |
|
croak "Unable to parse date: $date\n"; |
|
"+0000 $Y-$m-$d $H:$M:$S"; |
|
} |
|
|
|
sub check_author { |
|
my ($author) = @_; |
|
if (!defined $author || length $author == 0) { |
|
$author = '(no author)'; |
|
} |
|
if (defined $::_authors && ! defined $::users{$author}) { |
|
die "Author: $author not defined in $::_authors file\n"; |
|
} |
|
$author; |
|
} |
|
|
|
sub make_log_entry { |
|
my ($self, $rev, $parents, $ed) = @_; |
|
my $untracked = $self->get_untracked($ed); |
|
|
|
open my $un, '>>', "$self->{dir}/unhandled.log" or croak $!; |
|
print $un "r$rev\n" or croak $!; |
|
print $un $_, "\n" foreach @$untracked; |
|
my %log_entry = ( parents => $parents || [], revision => $rev, |
|
log => ''); |
|
|
|
my $headrev; |
|
my $logged = delete $self->{logged_rev_props}; |
|
if (!$logged || $self->{-want_revprops}) { |
|
my $rp = $self->ra->rev_proplist($rev); |
|
foreach (sort keys %$rp) { |
|
my $v = $rp->{$_}; |
|
if (/^svn:(author|date|log)$/) { |
|
$log_entry{$1} = $v; |
|
} elsif ($_ eq 'svm:headrev') { |
|
$headrev = $v; |
|
} else { |
|
print $un " rev_prop: ", uri_encode($_), ' ', |
|
uri_encode($v), "\n"; |
|
} |
|
} |
|
} else { |
|
map { $log_entry{$_} = $logged->{$_} } keys %$logged; |
|
} |
|
close $un or croak $!; |
|
|
|
$log_entry{date} = parse_svn_date($log_entry{date}); |
|
$log_entry{log} .= "\n"; |
|
my $author = $log_entry{author} = check_author($log_entry{author}); |
|
my ($name, $email) = defined $::users{$author} ? @{$::users{$author}} |
|
: ($author, undef); |
|
if (defined $headrev && $self->use_svm_props) { |
|
if ($self->rewrite_root) { |
|
die "Can't have both 'useSvmProps' and 'rewriteRoot' ", |
|
"options set!\n"; |
|
} |
|
my ($uuid, $r) = $headrev =~ m{^([a-f\d\-]{30,}):(\d+)$}; |
|
# we don't want "SVM: initializing mirror for junk" ... |
|
return undef if $r == 0; |
|
my $svm = $self->svm; |
|
if ($uuid ne $svm->{uuid}) { |
|
die "UUID mismatch on SVM path:\n", |
|
"expected: $svm->{uuid}\n", |
|
" got: $uuid\n"; |
|
} |
|
my $full_url = $self->full_url; |
|
$full_url =~ s#^\Q$svm->{replace}\E(/|$)#$svm->{source}$1# or |
|
die "Failed to replace '$svm->{replace}' with ", |
|
"'$svm->{source}' in $full_url\n"; |
|
# throw away username for storing in records |
|
remove_username($full_url); |
|
$log_entry{metadata} = "$full_url\@$r $uuid"; |
|
$log_entry{svm_revision} = $r; |
|
$email ||= "$author\@$uuid" |
|
} elsif ($self->use_svnsync_props) { |
|
my $full_url = $self->svnsync->{url}; |
|
$full_url .= "/$self->{path}" if length $self->{path}; |
|
remove_username($full_url); |
|
my $uuid = $self->svnsync->{uuid}; |
|
$log_entry{metadata} = "$full_url\@$rev $uuid"; |
|
$email ||= "$author\@$uuid" |
|
} else { |
|
my $url = $self->metadata_url; |
|
remove_username($url); |
|
$log_entry{metadata} = "$url\@$rev " . |
|
$self->ra->get_uuid; |
|
$email ||= "$author\@" . $self->ra->get_uuid; |
|
} |
|
$log_entry{name} = $name; |
|
$log_entry{email} = $email; |
|
\%log_entry; |
|
} |
|
|
|
sub fetch { |
|
my ($self, $min_rev, $max_rev, @parents) = @_; |
|
my ($last_rev, $last_commit) = $self->last_rev_commit; |
|
my ($base, $head) = $self->get_fetch_range($min_rev, $max_rev); |
|
$self->ra->gs_fetch_loop_common($base, $head, [$self]); |
|
} |
|
|
|
sub set_tree_cb { |
|
my ($self, $log_entry, $tree, $rev, $date, $author) = @_; |
|
$self->{inject_parents} = { $rev => $tree }; |
|
$self->fetch(undef, undef); |
|
} |
|
|
|
sub set_tree { |
|
my ($self, $tree) = (shift, shift); |
|
my $log_entry = ::get_commit_entry($tree); |
|
unless ($self->{last_rev}) { |
|
fatal("Must have an existing revision to commit\n"); |
|
} |
|
my %ed_opts = ( r => $self->{last_rev}, |
|
log => $log_entry->{log}, |
|
ra => $self->ra, |
|
tree_a => $self->{last_commit}, |
|
tree_b => $tree, |
|
editor_cb => sub { |
|
$self->set_tree_cb($log_entry, $tree, @_) }, |
|
svn_path => $self->{path} ); |
|
if (!SVN::Git::Editor->new(\%ed_opts)->apply_diff) { |
|
print "No changes\nr$self->{last_rev} = $tree\n"; |
|
} |
|
} |
|
|
|
sub rebuild { |
|
my ($self) = @_; |
|
my $db_path = $self->db_path; |
|
return if (-e $db_path && ! -z $db_path); |
|
return unless ::verify_ref($self->refname.'^0'); |
|
if (-f $self->{db_root}) { |
|
rename $self->{db_root}, $db_path or die |
|
"rename $self->{db_root} => $db_path failed: $!\n"; |
|
my ($dir, $base) = ($db_path =~ m#^(.*?)/?([^/]+)$#); |
|
symlink $base, $self->{db_root} or die |
|
"symlink $base => $self->{db_root} failed: $!\n"; |
|
return; |
|
} |
|
print "Rebuilding $db_path ...\n"; |
|
my ($log, $ctx) = command_output_pipe("log", '--no-color', $self->refname); |
|
my $latest; |
|
my $full_url = $self->full_url; |
|
remove_username($full_url); |
|
my $svn_uuid; |
|
my $c; |
|
while (<$log>) { |
|
if ( m{^commit ($::sha1)$} ) { |
|
$c = $1; |
|
next; |
|
} |
|
next unless s{^\s*(git-svn-id:)}{$1}; |
|
my ($url, $rev, $uuid) = ::extract_metadata($_); |
|
remove_username($url); |
|
|
|
# ignore merges (from set-tree) |
|
next if (!defined $rev || !$uuid); |
|
|
|
# if we merged or otherwise started elsewhere, this is |
|
# how we break out of it |
|
if ((defined $svn_uuid && ($uuid ne $svn_uuid)) || |
|
($full_url && $url && ($url ne $full_url))) { |
|
next; |
|
} |
|
$latest ||= $rev; |
|
$svn_uuid ||= $uuid; |
|
|
|
$self->rev_db_set($rev, $c); |
|
print "r$rev = $c\n"; |
|
} |
|
command_close_pipe($log, $ctx); |
|
print "Done rebuilding $db_path\n"; |
|
} |
|
|
|
# rev_db: |
|
# Tie::File seems to be prone to offset errors if revisions get sparse, |
|
# it's not that fast, either. Tie::File is also not in Perl 5.6. So |
|
# one of my favorite modules is out :< Next up would be one of the DBM |
|
# modules, but I'm not sure which is most portable... So I'll just |
|
# go with something that's plain-text, but still capable of |
|
# being randomly accessed. So here's my ultra-simple fixed-width |
|
# database. All records are 40 characters + "\n", so it's easy to seek |
|
# to a revision: (41 * rev) is the byte offset. |
|
# A record of 40 0s denotes an empty revision. |
|
# And yes, it's still pretty fast (faster than Tie::File). |
|
# These files are disposable unless noMetadata or useSvmProps is set |
|
|
|
sub _rev_db_set { |
|
my ($fh, $rev, $commit) = @_; |
|
my $offset = $rev * 41; |
|
# assume that append is the common case: |
|
seek $fh, 0, 2 or croak $!; |
|
my $pos = tell $fh; |
|
if ($pos < $offset) { |
|
for (1 .. (($offset - $pos) / 41)) { |
|
print $fh (('0' x 40),"\n") or croak $!; |
|
} |
|
} |
|
seek $fh, $offset, 0 or croak $!; |
|
print $fh $commit,"\n" or croak $!; |
|
} |
|
|
|
sub mkfile { |
|
my ($path) = @_; |
|
unless (-e $path) { |
|
my ($dir, $base) = ($path =~ m#^(.*?)/?([^/]+)$#); |
|
mkpath([$dir]) unless -d $dir; |
|
open my $fh, '>>', $path or die "Couldn't create $path: $!\n"; |
|
close $fh or die "Couldn't close (create) $path: $!\n"; |
|
} |
|
} |
|
|
|
sub rev_db_set { |
|
my ($self, $rev, $commit, $update_ref, $uuid) = @_; |
|
length $commit == 40 or die "arg3 must be a full SHA1 hexsum\n"; |
|
my $db = $self->db_path($uuid); |
|
my $db_lock = "$db.lock"; |
|
my $sig; |
|
if ($update_ref) { |
|
$SIG{INT} = $SIG{HUP} = $SIG{TERM} = $SIG{ALRM} = $SIG{PIPE} = |
|
$SIG{USR1} = $SIG{USR2} = sub { $sig = $_[0] }; |
|
} |
|
mkfile($db); |
|
|
|
$LOCKFILES{$db_lock} = 1; |
|
my $sync; |
|
# both of these options make our .rev_db file very, very important |
|
# and we can't afford to lose it because rebuild() won't work |
|
if ($self->use_svm_props || $self->no_metadata) { |
|
$sync = 1; |
|
copy($db, $db_lock) or die "rev_db_set(@_): ", |
|
"Failed to copy: ", |
|
"$db => $db_lock ($!)\n"; |
|
} else { |
|
rename $db, $db_lock or die "rev_db_set(@_): ", |
|
"Failed to rename: ", |
|
"$db => $db_lock ($!)\n"; |
|
} |
|
open my $fh, '+<', $db_lock or die "Couldn't open $db_lock: $!\n"; |
|
_rev_db_set($fh, $rev, $commit); |
|
if ($sync) { |
|
$fh->flush or die "Couldn't flush $db_lock: $!\n"; |
|
$fh->sync or die "Couldn't sync $db_lock: $!\n"; |
|
} |
|
close $fh or croak $!; |
|
if ($update_ref) { |
|
$_head = $self; |
|
command_noisy('update-ref', '-m', "r$rev", |
|
$self->refname, $commit); |
|
} |
|
rename $db_lock, $db or die "rev_db_set(@_): ", "Failed to rename: ", |
|
"$db_lock => $db ($!)\n"; |
|
delete $LOCKFILES{$db_lock}; |
|
if ($update_ref) { |
|
$SIG{INT} = $SIG{HUP} = $SIG{TERM} = $SIG{ALRM} = $SIG{PIPE} = |
|
$SIG{USR1} = $SIG{USR2} = 'DEFAULT'; |
|
kill $sig, $$ if defined $sig; |
|
} |
|
} |
|
|
|
sub rev_db_max { |
|
my ($self) = @_; |
|
$self->rebuild; |
|
my $db_path = $self->db_path; |
|
my @stat = stat $db_path or return 0; |
|
($stat[7] % 41) == 0 or die "$db_path inconsistent size: $stat[7]\n"; |
|
my $max = $stat[7] / 41; |
|
(($max > 0) ? $max - 1 : 0); |
|
} |
|
|
|
sub rev_db_get { |
|
my ($self, $rev, $uuid) = @_; |
|
my $ret; |
|
my $offset = $rev * 41; |
|
my $db_path = $self->db_path($uuid); |
|
return undef unless -e $db_path; |
|
open my $fh, '<', $db_path or croak $!; |
|
if (sysseek($fh, $offset, 0) == $offset) { |
|
my $read = sysread($fh, $ret, 40); |
|
$ret = undef if ($read != 40 || $ret eq ('0'x40)); |
|
} |
|
close $fh or croak $!; |
|
$ret; |
|
} |
|
|
|
sub find_rev_before { |
|
my ($self, $rev, $eq_ok) = @_; |
|
--$rev unless $eq_ok; |
|
while ($rev > 0) { |
|
if (my $c = $self->rev_db_get($rev)) { |
|
return ($rev, $c); |
|
} |
|
--$rev; |
|
} |
|
return (undef, undef); |
|
} |
|
|
|
sub _new { |
|
my ($class, $repo_id, $ref_id, $path) = @_; |
|
unless (defined $repo_id && length $repo_id) { |
|
$repo_id = $Git::SVN::default_repo_id; |
|
} |
|
unless (defined $ref_id && length $ref_id) { |
|
$_[2] = $ref_id = $Git::SVN::default_ref_id; |
|
} |
|
$_[1] = $repo_id = sanitize_remote_name($repo_id); |
|
my $dir = "$ENV{GIT_DIR}/svn/$ref_id"; |
|
$_[3] = $path = '' unless (defined $path); |
|
mkpath(["$ENV{GIT_DIR}/svn"]); |
|
bless { |
|
ref_id => $ref_id, dir => $dir, index => "$dir/index", |
|
path => $path, config => "$ENV{GIT_DIR}/svn/config", |
|
db_root => "$dir/.rev_db", repo_id => $repo_id }, $class; |
|
} |
|
|
|
sub db_path { |
|
my ($self, $uuid) = @_; |
|
$uuid ||= $self->ra_uuid; |
|
"$self->{db_root}.$uuid"; |
|
} |
|
|
|
sub uri_encode { |
|
my ($f) = @_; |
|
$f =~ s#([^a-zA-Z0-9\*!\:_\./\-])#uc sprintf("%%%02x",ord($1))#eg; |
|
$f |
|
} |
|
|
|
sub remove_username { |
|
$_[0] =~ s{^([^:]*://)[^@]+@}{$1}; |
|
} |
|
|
|
package Git::SVN::Prompt; |
|
use strict; |
|
use warnings; |
|
require SVN::Core; |
|
use vars qw/$_no_auth_cache $_username/; |
|
|
|
sub simple { |
|
my ($cred, $realm, $default_username, $may_save, $pool) = @_; |
|
$may_save = undef if $_no_auth_cache; |
|
$default_username = $_username if defined $_username; |
|
if (defined $default_username && length $default_username) { |
|
if (defined $realm && length $realm) { |
|
print STDERR "Authentication realm: $realm\n"; |
|
STDERR->flush; |
|
} |
|
$cred->username($default_username); |
|
} else { |
|
username($cred, $realm, $may_save, $pool); |
|
} |
|
$cred->password(_read_password("Password for '" . |
|
$cred->username . "': ", $realm)); |
|
$cred->may_save($may_save); |
|
$SVN::_Core::SVN_NO_ERROR; |
|
} |
|
|
|
sub ssl_server_trust { |
|
my ($cred, $realm, $failures, $cert_info, $may_save, $pool) = @_; |
|
$may_save = undef if $_no_auth_cache; |
|
print STDERR "Error validating server certificate for '$realm':\n"; |
|
if ($failures & $SVN::Auth::SSL::UNKNOWNCA) { |
|
print STDERR " - The certificate is not issued by a trusted ", |
|
"authority. Use the\n", |
|
" fingerprint to validate the certificate manually!\n"; |
|
} |
|
if ($failures & $SVN::Auth::SSL::CNMISMATCH) { |
|
print STDERR " - The certificate hostname does not match.\n"; |
|
} |
|
if ($failures & $SVN::Auth::SSL::NOTYETVALID) { |
|
print STDERR " - The certificate is not yet valid.\n"; |
|
} |
|
if ($failures & $SVN::Auth::SSL::EXPIRED) { |
|
print STDERR " - The certificate has expired.\n"; |
|
} |
|
if ($failures & $SVN::Auth::SSL::OTHER) { |
|
print STDERR " - The certificate has an unknown error.\n"; |
|
} |
|
printf STDERR |
|
"Certificate information:\n". |
|
" - Hostname: %s\n". |
|
" - Valid: from %s until %s\n". |
|
" - Issuer: %s\n". |
|
" - Fingerprint: %s\n", |
|
map $cert_info->$_, qw(hostname valid_from valid_until |
|
issuer_dname fingerprint); |
|
my $choice; |
|
prompt: |
|
print STDERR $may_save ? |
|
"(R)eject, accept (t)emporarily or accept (p)ermanently? " : |
|
"(R)eject or accept (t)emporarily? "; |
|
STDERR->flush; |
|
$choice = lc(substr(<STDIN> || 'R', 0, 1)); |
|
if ($choice =~ /^t$/i) { |
|
$cred->may_save(undef); |
|
} elsif ($choice =~ /^r$/i) { |
|
return -1; |
|
} elsif ($may_save && $choice =~ /^p$/i) { |
|
$cred->may_save($may_save); |
|
} else { |
|
goto prompt; |
|
} |
|
$cred->accepted_failures($failures); |
|
$SVN::_Core::SVN_NO_ERROR; |
|
} |
|
|
|
sub ssl_client_cert { |
|
my ($cred, $realm, $may_save, $pool) = @_; |
|
$may_save = undef if $_no_auth_cache; |
|
print STDERR "Client certificate filename: "; |
|
STDERR->flush; |
|
chomp(my $filename = <STDIN>); |
|
$cred->cert_file($filename); |
|
$cred->may_save($may_save); |
|
$SVN::_Core::SVN_NO_ERROR; |
|
} |
|
|
|
sub ssl_client_cert_pw { |
|
my ($cred, $realm, $may_save, $pool) = @_; |
|
$may_save = undef if $_no_auth_cache; |
|
$cred->password(_read_password("Password: ", $realm)); |
|
$cred->may_save($may_save); |
|
$SVN::_Core::SVN_NO_ERROR; |
|
} |
|
|
|
sub username { |
|
my ($cred, $realm, $may_save, $pool) = @_; |
|
$may_save = undef if $_no_auth_cache; |
|
if (defined $realm && length $realm) { |
|
print STDERR "Authentication realm: $realm\n"; |
|
} |
|
my $username; |
|
if (defined $_username) { |
|
$username = $_username; |
|
} else { |
|
print STDERR "Username: "; |
|
STDERR->flush; |
|
chomp($username = <STDIN>); |
|
} |
|
$cred->username($username); |
|
$cred->may_save($may_save); |
|
$SVN::_Core::SVN_NO_ERROR; |
|
} |
|
|
|
sub _read_password { |
|
my ($prompt, $realm) = @_; |
|
print STDERR $prompt; |
|
STDERR->flush; |
|
require Term::ReadKey; |
|
Term::ReadKey::ReadMode('noecho'); |
|
my $password = ''; |
|
while (defined(my $key = Term::ReadKey::ReadKey(0))) { |
|
last if $key =~ /[\012\015]/; # \n\r |
|
$password .= $key; |
|
} |
|
Term::ReadKey::ReadMode('restore'); |
|
print STDERR "\n"; |
|
STDERR->flush; |
|
$password; |
|
} |
|
|
|
package main; |
|
|
|
{ |
|
my $kill_stupid_warnings = $SVN::Node::none.$SVN::Node::file. |
|
$SVN::Node::dir.$SVN::Node::unknown. |
|
$SVN::Node::none.$SVN::Node::file. |
|
$SVN::Node::dir.$SVN::Node::unknown. |
|
$SVN::Auth::SSL::CNMISMATCH. |
|
$SVN::Auth::SSL::NOTYETVALID. |
|
$SVN::Auth::SSL::EXPIRED. |
|
$SVN::Auth::SSL::UNKNOWNCA. |
|
$SVN::Auth::SSL::OTHER; |
|
} |
|
|
|
package SVN::Git::Fetcher; |
|
use vars qw/@ISA/; |
|
use strict; |
|
use warnings; |
|
use Carp qw/croak/; |
|
use IO::File qw//; |
|
use Digest::MD5; |
|
|
|
# file baton members: path, mode_a, mode_b, pool, fh, blob, base |
|
sub new { |
|
my ($class, $git_svn) = @_; |
|
my $self = SVN::Delta::Editor->new; |
|
bless $self, $class; |
|
$self->{c} = $git_svn->{last_commit} if exists $git_svn->{last_commit}; |
|
$self->{empty} = {}; |
|
$self->{dir_prop} = {}; |
|
$self->{file_prop} = {}; |
|
$self->{absent_dir} = {}; |
|
$self->{absent_file} = {}; |
|
$self->{gii} = $git_svn->tmp_index_do(sub { Git::IndexInfo->new }); |
|
$self; |
|
} |
|
|
|
sub set_path_strip { |
|
my ($self, $path) = @_; |
|
$self->{path_strip} = qr/^\Q$path\E(\/|$)/ if length $path; |
|
} |
|
|
|
sub open_root { |
|
{ path => '' }; |
|
} |
|
|
|
sub open_directory { |
|
my ($self, $path, $pb, $rev) = @_; |
|
{ path => $path }; |
|
} |
|
|
|
sub git_path { |
|
my ($self, $path) = @_; |
|
if ($self->{path_strip}) { |
|
$path =~ s!$self->{path_strip}!! or |
|
die "Failed to strip path '$path' ($self->{path_strip})\n"; |
|
} |
|
$path; |
|
} |
|
|
|
sub delete_entry { |
|
my ($self, $path, $rev, $pb) = @_; |
|
|
|
my $gpath = $self->git_path($path); |
|
return undef if ($gpath eq ''); |
|
|
|
# remove entire directories. |
|
if (command('ls-tree', $self->{c}, '--', $gpath) =~ /^040000 tree/) { |
|
my ($ls, $ctx) = command_output_pipe(qw/ls-tree |
|
-r --name-only -z/, |
|
$self->{c}, '--', $gpath); |
|
local $/ = "\0"; |
|
while (<$ls>) { |
|
chomp; |
|
$self->{gii}->remove($_); |
|
print "\tD\t$_\n" unless $::_q; |
|
} |
|
print "\tD\t$gpath/\n" unless $::_q; |
|
command_close_pipe($ls, $ctx); |
|
$self->{empty}->{$path} = 0 |
|
} else { |
|
$self->{gii}->remove($gpath); |
|
print "\tD\t$gpath\n" unless $::_q; |
|
} |
|
undef; |
|
} |
|
|
|
sub open_file { |
|
my ($self, $path, $pb, $rev) = @_; |
|
my $gpath = $self->git_path($path); |
|
my ($mode, $blob) = (command('ls-tree', $self->{c}, '--', $gpath) |
|
=~ /^(\d{6}) blob ([a-f\d]{40})\t/); |
|
unless (defined $mode && defined $blob) { |
|
die "$path was not found in commit $self->{c} (r$rev)\n"; |
|
} |
|
{ path => $path, mode_a => $mode, mode_b => $mode, blob => $blob, |
|
pool => SVN::Pool->new, action => 'M' }; |
|
} |
|
|
|
sub add_file { |
|
my ($self, $path, $pb, $cp_path, $cp_rev) = @_; |
|
my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#); |
|
delete $self->{empty}->{$dir}; |
|
{ path => $path, mode_a => 100644, mode_b => 100644, |
|
pool => SVN::Pool->new, action => 'A' }; |
|
} |
|
|
|
sub add_directory { |
|
my ($self, $path, $cp_path, $cp_rev) = @_; |
|
my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#); |
|
delete $self->{empty}->{$dir}; |
|
$self->{empty}->{$path} = 1; |
|
{ path => $path }; |
|
} |
|
|
|
sub change_dir_prop { |
|
my ($self, $db, $prop, $value) = @_; |
|
$self->{dir_prop}->{$db->{path}} ||= {}; |
|
$self->{dir_prop}->{$db->{path}}->{$prop} = $value; |
|
undef; |
|
} |
|
|
|
sub absent_directory { |
|
my ($self, $path, $pb) = @_; |
|
$self->{absent_dir}->{$pb->{path}} ||= []; |
|
push @{$self->{absent_dir}->{$pb->{path}}}, $path; |
|
undef; |
|
} |
|
|
|
sub absent_file { |
|
my ($self, $path, $pb) = @_; |
|
$self->{absent_file}->{$pb->{path}} ||= []; |
|
push @{$self->{absent_file}->{$pb->{path}}}, $path; |
|
undef; |
|
} |
|
|
|
sub change_file_prop { |
|
my ($self, $fb, $prop, $value) = @_; |
|
if ($prop eq 'svn:executable') { |
|
if ($fb->{mode_b} != 120000) { |
|
$fb->{mode_b} = defined $value ? 100755 : 100644; |
|
} |
|
} elsif ($prop eq 'svn:special') { |
|
$fb->{mode_b} = defined $value ? 120000 : 100644; |
|
} else { |
|
$self->{file_prop}->{$fb->{path}} ||= {}; |
|
$self->{file_prop}->{$fb->{path}}->{$prop} = $value; |
|
} |
|
undef; |
|
} |
|
|
|
sub apply_textdelta { |
|
my ($self, $fb, $exp) = @_; |
|
my $fh = IO::File->new_tmpfile; |
|
$fh->autoflush(1); |
|
# $fh gets auto-closed() by SVN::TxDelta::apply(), |
|
# (but $base does not,) so dup() it for reading in close_file |
|
open my $dup, '<&', $fh or croak $!; |
|
my $base = IO::File->new_tmpfile; |
|
$base->autoflush(1); |
|
if ($fb->{blob}) { |
|
defined (my $pid = fork) or croak $!; |
|
if (!$pid) { |
|
open STDOUT, '>&', $base or croak $!; |
|
print STDOUT 'link ' if ($fb->{mode_a} == 120000); |
|
exec qw/git-cat-file blob/, $fb->{blob} or croak $!; |
|
} |
|
waitpid $pid, 0; |
|
croak $? if $?; |
|
|
|
if (defined $exp) { |
|
seek $base, 0, 0 or croak $!; |
|
my $md5 = Digest::MD5->new; |
|
$md5->addfile($base); |
|
my $got = $md5->hexdigest; |
|
die "Checksum mismatch: $fb->{path} $fb->{blob}\n", |
|
"expected: $exp\n", |
|
" got: $got\n" if ($got ne $exp); |
|
} |
|
} |
|
seek $base, 0, 0 or croak $!; |
|
$fb->{fh} = $dup; |
|
$fb->{base} = $base; |
|
[ SVN::TxDelta::apply($base, $fh, undef, $fb->{path}, $fb->{pool}) ]; |
|
} |
|
|
|
sub close_file { |
|
my ($self, $fb, $exp) = @_; |
|
my $hash; |
|
my $path = $self->git_path($fb->{path}); |
|
if (my $fh = $fb->{fh}) { |
|
if (defined $exp) { |
|
seek($fh, 0, 0) or croak $!; |
|
my $md5 = Digest::MD5->new; |
|
$md5->addfile($fh); |
|
my $got = $md5->hexdigest; |
|
if ($got ne $exp) { |
|
die "Checksum mismatch: $path\n", |
|
"expected: $exp\n got: $got\n"; |
|
} |
|
} |
|
sysseek($fh, 0, 0) or croak $!; |
|
if ($fb->{mode_b} == 120000) { |
|
sysread($fh, my $buf, 5) == 5 or croak $!; |
|
$buf eq 'link ' or die "$path has mode 120000", |
|
"but is not a link\n"; |
|
} |
|
defined(my $pid = open my $out,'-|') or die "Can't fork: $!\n"; |
|
if (!$pid) { |
|
open STDIN, '<&', $fh or croak $!; |
|
exec qw/git-hash-object -w --stdin/ or croak $!; |
|
} |
|
chomp($hash = do { local $/; <$out> }); |
|
close $out or croak $!; |
|
close $fh or croak $!; |
|
$hash =~ /^[a-f\d]{40}$/ or die "not a sha1: $hash\n"; |
|
close $fb->{base} or croak $!; |
|
} else { |
|
$hash = $fb->{blob} or die "no blob information\n"; |
|
} |
|
$fb->{pool}->clear; |
|
$self->{gii}->update($fb->{mode_b}, $hash, $path) or croak $!; |
|
print "\t$fb->{action}\t$path\n" if $fb->{action} && ! $::_q; |
|
undef; |
|
} |
|
|
|
sub abort_edit { |
|
my $self = shift; |
|
$self->{nr} = $self->{gii}->{nr}; |
|
delete $self->{gii}; |
|
$self->SUPER::abort_edit(@_); |
|
} |
|
|
|
sub close_edit { |
|
my $self = shift; |
|
$self->{git_commit_ok} = 1; |
|
$self->{nr} = $self->{gii}->{nr}; |
|
delete $self->{gii}; |
|
$self->SUPER::close_edit(@_); |
|
} |
|
|
|
package SVN::Git::Editor; |
|
use vars qw/@ISA $_rmdir $_cp_similarity $_find_copies_harder $_rename_limit/; |
|
use strict; |
|
use warnings; |
|
use Carp qw/croak/; |
|
use IO::File; |
|
use Digest::MD5; |
|
|
|
sub new { |
|
my ($class, $opts) = @_; |
|
foreach (qw/svn_path r ra tree_a tree_b log editor_cb/) { |
|
die "$_ required!\n" unless (defined $opts->{$_}); |
|
} |
|
|
|
my $pool = SVN::Pool->new; |
|
my $mods = generate_diff($opts->{tree_a}, $opts->{tree_b}); |
|
my $types = check_diff_paths($opts->{ra}, $opts->{svn_path}, |
|
$opts->{r}, $mods); |
|
|
|
# $opts->{ra} functions should not be used after this: |
|
my @ce = $opts->{ra}->get_commit_editor($opts->{log}, |
|
$opts->{editor_cb}, $pool); |
|
my $self = SVN::Delta::Editor->new(@ce, $pool); |
|
bless $self, $class; |
|
foreach (qw/svn_path r tree_a tree_b/) { |
|
$self->{$_} = $opts->{$_}; |
|
} |
|
$self->{url} = $opts->{ra}->{url}; |
|
$self->{mods} = $mods; |
|
$self->{types} = $types; |
|
$self->{pool} = $pool; |
|
$self->{bat} = { '' => $self->open_root($self->{r}, $self->{pool}) }; |
|
$self->{rm} = { }; |
|
$self->{path_prefix} = length $self->{svn_path} ? |
|
"$self->{svn_path}/" : ''; |
|
return $self; |
|
} |
|
|
|
sub generate_diff { |
|
my ($tree_a, $tree_b) = @_; |
|
my @diff_tree = qw(diff-tree -z -r); |
|
if ($_cp_similarity) { |
|
push @diff_tree, "-C$_cp_similarity"; |
|
} else { |
|
push @diff_tree, '-C'; |
|
} |
|
push @diff_tree, '--find-copies-harder' if $_find_copies_harder; |
|
push @diff_tree, "-l$_rename_limit" if defined $_rename_limit; |
|
push @diff_tree, $tree_a, $tree_b; |
|
my ($diff_fh, $ctx) = command_output_pipe(@diff_tree); |
|
local $/ = "\0"; |
|
my $state = 'meta'; |
|
my @mods; |
|
while (<$diff_fh>) { |
|
chomp $_; # this gets rid of the trailing "\0" |
|
if ($state eq 'meta' && /^:(\d{6})\s(\d{6})\s |
|
$::sha1\s($::sha1)\s |
|
([MTCRAD])\d*$/xo) { |
|
push @mods, { mode_a => $1, mode_b => $2, |
|
sha1_b => $3, chg => $4 }; |
|
if ($4 =~ /^(?:C|R)$/) { |
|
$state = 'file_a'; |
|
} else { |
|
$state = 'file_b'; |
|
} |
|
} elsif ($state eq 'file_a') { |
|
my $x = $mods[$#mods] or croak "Empty array\n"; |
|
if ($x->{chg} !~ /^(?:C|R)$/) { |
|
croak "Error parsing $_, $x->{chg}\n"; |
|
} |
|
$x->{file_a} = $_; |
|
$state = 'file_b'; |
|
} elsif ($state eq 'file_b') { |
|
my $x = $mods[$#mods] or croak "Empty array\n"; |
|
if (exists $x->{file_a} && $x->{chg} !~ /^(?:C|R)$/) { |
|
croak "Error parsing $_, $x->{chg}\n"; |
|
} |
|
if (!exists $x->{file_a} && $x->{chg} =~ /^(?:C|R)$/) { |
|
croak "Error parsing $_, $x->{chg}\n"; |
|
} |
|
$x->{file_b} = $_; |
|
$state = 'meta'; |
|
} else { |
|
croak "Error parsing $_\n"; |
|
} |
|
} |
|
command_close_pipe($diff_fh, $ctx); |
|
\@mods; |
|
} |
|
|
|
sub check_diff_paths { |
|
my ($ra, $pfx, $rev, $mods) = @_; |
|
my %types; |
|
$pfx .= '/' if length $pfx; |
|
|
|
sub type_diff_paths { |
|
my ($ra, $types, $path, $rev) = @_; |
|
my @p = split m#/+#, $path; |
|
my $c = shift @p; |
|
unless (defined $types->{$c}) { |
|
$types->{$c} = $ra->check_path($c, $rev); |
|
} |
|
while (@p) { |
|
$c .= '/' . shift @p; |
|
next if defined $types->{$c}; |
|
$types->{$c} = $ra->check_path($c, $rev); |
|
} |
|
} |
|
|
|
foreach my $m (@$mods) { |
|
foreach my $f (qw/file_a file_b/) { |
|
next unless defined $m->{$f}; |
|
my ($dir) = ($m->{$f} =~ m#^(.*?)/?(?:[^/]+)$#); |
|
if (length $pfx.$dir && ! defined $types{$dir}) { |
|
type_diff_paths($ra, \%types, $pfx.$dir, $rev); |
|
} |
|
} |
|
} |
|
\%types; |
|
} |
|
|
|
sub split_path { |
|
return ($_[0] =~ m#^(.*?)/?([^/]+)$#); |
|
} |
|
|
|
sub repo_path { |
|
my ($self, $path) = @_; |
|
$self->{path_prefix}.(defined $path ? $path : ''); |
|
} |
|
|
|
sub url_path { |
|
my ($self, $path) = @_; |
|
if ($self->{url} =~ m#^https?://#) { |
|
$path =~ s/([^a-zA-Z0-9_.-])/uc sprintf("%%%02x",ord($1))/eg; |
|
} |
|
$self->{url} . '/' . $self->repo_path($path); |
|
} |
|
|
|
sub rmdirs { |
|
my ($self) = @_; |
|
my $rm = $self->{rm}; |
|
delete $rm->{''}; # we never delete the url we're tracking |
|
return unless %$rm; |
|
|
|
foreach (keys %$rm) { |
|
my @d = split m#/#, $_; |
|
my $c = shift @d; |
|
$rm->{$c} = 1; |
|
while (@d) { |
|
$c .= '/' . shift @d; |
|
$rm->{$c} = 1; |
|
} |
|
} |
|
delete $rm->{$self->{svn_path}}; |
|
delete $rm->{''}; # we never delete the url we're tracking |
|
return unless %$rm; |
|
|
|
my ($fh, $ctx) = command_output_pipe(qw/ls-tree --name-only -r -z/, |
|
$self->{tree_b}); |
|
local $/ = "\0"; |
|
while (<$fh>) { |
|
chomp; |
|
my @dn = split m#/#, $_; |
|
while (pop @dn) { |
|
delete $rm->{join '/', @dn}; |
|
} |
|
unless (%$rm) { |
|
close $fh; |
|
return; |
|
} |
|
} |
|
command_close_pipe($fh, $ctx); |
|
|
|
my ($r, $p, $bat) = ($self->{r}, $self->{pool}, $self->{bat}); |
|
foreach my $d (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$rm) { |
|
$self->close_directory($bat->{$d}, $p); |
|
my ($dn) = ($d =~ m#^(.*?)/?(?:[^/]+)$#); |
|
print "\tD+\t$d/\n" unless $::_q; |
|
$self->SUPER::delete_entry($d, $r, $bat->{$dn}, $p); |
|
delete $bat->{$d}; |
|
} |
|
} |
|
|
|
sub open_or_add_dir { |
|
my ($self, $full_path, $baton) = @_; |
|
my $t = $self->{types}->{$full_path}; |
|
if (!defined $t) { |
|
die "$full_path not known in r$self->{r} or we have a bug!\n"; |
|
} |
|
if ($t == $SVN::Node::none) { |
|
return $self->add_directory($full_path, $baton, |
|
undef, -1, $self->{pool}); |
|
} elsif ($t == $SVN::Node::dir) { |
|
return $self->open_directory($full_path, $baton, |
|
$self->{r}, $self->{pool}); |
|
} |
|
print STDERR "$full_path already exists in repository at ", |
|
"r$self->{r} and it is not a directory (", |
|
($t == $SVN::Node::file ? 'file' : 'unknown'),"/$t)\n"; |
|
exit 1; |
|
} |
|
|
|
sub ensure_path { |
|
my ($self, $path) = @_; |
|
my $bat = $self->{bat}; |
|
my $repo_path = $self->repo_path($path); |
|
return $bat->{''} unless (length $repo_path); |
|
my @p = split m#/+#, $repo_path; |
|
my $c = shift @p; |
|
$bat->{$c} ||= $self->open_or_add_dir($c, $bat->{''}); |
|
while (@p) { |
|
my $c0 = $c; |
|
$c .= '/' . shift @p; |
|
$bat->{$c} ||= $self->open_or_add_dir($c, $bat->{$c0}); |
|
} |
|
return $bat->{$c}; |
|
} |
|
|
|
sub A { |
|
my ($self, $m) = @_; |
|
my ($dir, $file) = split_path($m->{file_b}); |
|
my $pbat = $self->ensure_path($dir); |
|
my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat, |
|
undef, -1); |
|
print "\tA\t$m->{file_b}\n" unless $::_q; |
|
$self->chg_file($fbat, $m); |
|
$self->close_file($fbat,undef,$self->{pool}); |
|
} |
|
|
|
sub C { |
|
my ($self, $m) = @_; |
|
my ($dir, $file) = split_path($m->{file_b}); |
|
my $pbat = $self->ensure_path($dir); |
|
my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat, |
|
$self->url_path($m->{file_a}), $self->{r}); |
|
print "\tC\t$m->{file_a} => $m->{file_b}\n" unless $::_q; |
|
$self->chg_file($fbat, $m); |
|
$self->close_file($fbat,undef,$self->{pool}); |
|
} |
|
|
|
sub delete_entry { |
|
my ($self, $path, $pbat) = @_; |
|
my $rpath = $self->repo_path($path); |
|
my ($dir, $file) = split_path($rpath); |
|
$self->{rm}->{$dir} = 1; |
|
$self->SUPER::delete_entry($rpath, $self->{r}, $pbat, $self->{pool}); |
|
} |
|
|
|
sub R { |
|
my ($self, $m) = @_; |
|
my ($dir, $file) = split_path($m->{file_b}); |
|
my $pbat = $self->ensure_path($dir); |
|
my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat, |
|
$self->url_path($m->{file_a}), $self->{r}); |
|
print "\tR\t$m->{file_a} => $m->{file_b}\n" unless $::_q; |
|
$self->chg_file($fbat, $m); |
|
$self->close_file($fbat,undef,$self->{pool}); |
|
|
|
($dir, $file) = split_path($m->{file_a}); |
|
$pbat = $self->ensure_path($dir); |
|
$self->delete_entry($m->{file_a}, $pbat); |
|
} |
|
|
|
sub M { |
|
my ($self, $m) = @_; |
|
my ($dir, $file) = split_path($m->{file_b}); |
|
my $pbat = $self->ensure_path($dir); |
|
my $fbat = $self->open_file($self->repo_path($m->{file_b}), |
|
$pbat,$self->{r},$self->{pool}); |
|
print "\t$m->{chg}\t$m->{file_b}\n" unless $::_q; |
|
$self->chg_file($fbat, $m); |
|
$self->close_file($fbat,undef,$self->{pool}); |
|
} |
|
|
|
sub T { shift->M(@_) } |
|
|
|
sub change_file_prop { |
|
my ($self, $fbat, $pname, $pval) = @_; |
|
$self->SUPER::change_file_prop($fbat, $pname, $pval, $self->{pool}); |
|
} |
|
|
|
sub chg_file { |
|
my ($self, $fbat, $m) = @_; |
|
if ($m->{mode_b} =~ /755$/ && $m->{mode_a} !~ /755$/) { |
|
$self->change_file_prop($fbat,'svn:executable','*'); |
|
} elsif ($m->{mode_b} !~ /755$/ && $m->{mode_a} =~ /755$/) { |
|
$self->change_file_prop($fbat,'svn:executable',undef); |
|
} |
|
my $fh = IO::File->new_tmpfile or croak $!; |
|
if ($m->{mode_b} =~ /^120/) { |
|
print $fh 'link ' or croak $!; |
|
$self->change_file_prop($fbat,'svn:special','*'); |
|
} elsif ($m->{mode_a} =~ /^120/ && $m->{mode_b} !~ /^120/) { |
|
$self->change_file_prop($fbat,'svn:special',undef); |
|
} |
|
defined(my $pid = fork) or croak $!; |
|
if (!$pid) { |
|
open STDOUT, '>&', $fh or croak $!; |
|
exec qw/git-cat-file blob/, $m->{sha1_b} or croak $!; |
|
} |
|
waitpid $pid, 0; |
|
croak $? if $?; |
|
$fh->flush == 0 or croak $!; |
|
seek $fh, 0, 0 or croak $!; |
|
|
|
my $md5 = Digest::MD5->new; |
|
$md5->addfile($fh) or croak $!; |
|
seek $fh, 0, 0 or croak $!; |
|
|
|
my $exp = $md5->hexdigest; |
|
my $pool = SVN::Pool->new; |
|
my $atd = $self->apply_textdelta($fbat, undef, $pool); |
|
my $got = SVN::TxDelta::send_stream($fh, @$atd, $pool); |
|
die "Checksum mismatch\nexpected: $exp\ngot: $got\n" if ($got ne $exp); |
|
$pool->clear; |
|
|
|
close $fh or croak $!; |
|
} |
|
|
|
sub D { |
|
my ($self, $m) = @_; |
|
my ($dir, $file) = split_path($m->{file_b}); |
|
my $pbat = $self->ensure_path($dir); |
|
print "\tD\t$m->{file_b}\n" unless $::_q; |
|
$self->delete_entry($m->{file_b}, $pbat); |
|
} |
|
|
|
sub close_edit { |
|
my ($self) = @_; |
|
my ($p,$bat) = ($self->{pool}, $self->{bat}); |
|
foreach (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$bat) { |
|
next if $_ eq ''; |
|
$self->close_directory($bat->{$_}, $p); |
|
} |
|
$self->close_directory($bat->{''}, $p); |
|
$self->SUPER::close_edit($p); |
|
$p->clear; |
|
} |
|
|
|
sub abort_edit { |
|
my ($self) = @_; |
|
$self->SUPER::abort_edit($self->{pool}); |
|
} |
|
|
|
sub DESTROY { |
|
my $self = shift; |
|
$self->SUPER::DESTROY(@_); |
|
$self->{pool}->clear; |
|
} |
|
|
|
# this drives the editor |
|
sub apply_diff { |
|
my ($self) = @_; |
|
my $mods = $self->{mods}; |
|
my %o = ( D => 1, R => 0, C => -1, A => 3, M => 3, T => 3 ); |
|
foreach my $m (sort { $o{$a->{chg}} <=> $o{$b->{chg}} } @$mods) { |
|
my $f = $m->{chg}; |
|
if (defined $o{$f}) { |
|
$self->$f($m); |
|
} else { |
|
fatal("Invalid change type: $f\n"); |
|
} |
|
} |
|
$self->rmdirs if $_rmdir; |
|
if (@$mods == 0) { |
|
$self->abort_edit; |
|
} else { |
|
$self->close_edit; |
|
} |
|
return scalar @$mods; |
|
} |
|
|
|
package Git::SVN::Ra; |
|
use vars qw/@ISA $config_dir $_log_window_size/; |
|
use strict; |
|
use warnings; |
|
my ($can_do_switch, %ignored_err, $RA); |
|
|
|
BEGIN { |
|
# enforce temporary pool usage for some simple functions |
|
no strict 'refs'; |
|
for my $f (qw/rev_proplist get_latest_revnum get_uuid get_repos_root/) { |
|
my $SUPER = "SUPER::$f"; |
|
*$f = sub { |
|
my $self = shift; |
|
my $pool = SVN::Pool->new; |
|
my @ret = $self->$SUPER(@_,$pool); |
|
$pool->clear; |
|
wantarray ? @ret : $ret[0]; |
|
}; |
|
} |
|
} |
|
|
|
sub new { |
|
my ($class, $url) = @_; |
|
$url =~ s!/+$!!; |
|
return $RA if ($RA && $RA->{url} eq $url); |
|
|
|
SVN::_Core::svn_config_ensure($config_dir, undef); |
|
my ($baton, $callbacks) = SVN::Core::auth_open_helper([ |
|
SVN::Client::get_simple_provider(), |
|
SVN::Client::get_ssl_server_trust_file_provider(), |
|
SVN::Client::get_simple_prompt_provider( |
|
\&Git::SVN::Prompt::simple, 2), |
|
SVN::Client::get_ssl_client_cert_file_provider(), |
|
SVN::Client::get_ssl_client_cert_prompt_provider( |
|
\&Git::SVN::Prompt::ssl_client_cert, 2), |
|
SVN::Client::get_ssl_client_cert_pw_prompt_provider( |
|
\&Git::SVN::Prompt::ssl_client_cert_pw, 2), |
|
SVN::Client::get_username_provider(), |
|
SVN::Client::get_ssl_server_trust_prompt_provider( |
|
\&Git::SVN::Prompt::ssl_server_trust), |
|
SVN::Client::get_username_prompt_provider( |
|
\&Git::SVN::Prompt::username, 2), |
|
]); |
|
my $config = SVN::Core::config_get_config($config_dir); |
|
$RA = undef; |
|
my $self = SVN::Ra->new(url => $url, auth => $baton, |
|
config => $config, |
|
pool => SVN::Pool->new, |
|
auth_provider_callbacks => $callbacks); |
|
$self->{svn_path} = $url; |
|
$self->{repos_root} = $self->get_repos_root; |
|
$self->{svn_path} =~ s#^\Q$self->{repos_root}\E(/|$)##; |
|
$self->{cache} = { check_path => { r => 0, data => {} }, |
|
get_dir => { r => 0, data => {} } }; |
|
$RA = bless $self, $class; |
|
} |
|
|
|
sub check_path { |
|
my ($self, $path, $r) = @_; |
|
my $cache = $self->{cache}->{check_path}; |
|
if ($r == $cache->{r} && exists $cache->{data}->{$path}) { |
|
return $cache->{data}->{$path}; |
|
} |
|
my $pool = SVN::Pool->new; |
|
my $t = $self->SUPER::check_path($path, $r, $pool); |
|
$pool->clear; |
|
if ($r != $cache->{r}) { |
|
%{$cache->{data}} = (); |
|
$cache->{r} = $r; |
|
} |
|
$cache->{data}->{$path} = $t; |
|
} |
|
|
|
sub get_dir { |
|
my ($self, $dir, $r) = @_; |
|
my $cache = $self->{cache}->{get_dir}; |
|
if ($r == $cache->{r}) { |
|
if (my $x = $cache->{data}->{$dir}) { |
|
return wantarray ? @$x : $x->[0]; |
|
} |
|
} |
|
my $pool = SVN::Pool->new; |
|
my ($d, undef, $props) = $self->SUPER::get_dir($dir, $r, $pool); |
|
my %dirents = map { $_ => { kind => $d->{$_}->kind } } keys %$d; |
|
$pool->clear; |
|
if ($r != $cache->{r}) { |
|
%{$cache->{data}} = (); |
|
$cache->{r} = $r; |
|
} |
|
$cache->{data}->{$dir} = [ \%dirents, $r, $props ]; |
|
wantarray ? (\%dirents, $r, $props) : \%dirents; |
|
} |
|
|
|
sub DESTROY { |
|
# do not call the real DESTROY since we store ourselves in $RA |
|
} |
|
|
|
sub get_log { |
|
my ($self, @args) = @_; |
|
my $pool = SVN::Pool->new; |
|
splice(@args, 3, 1) if ($SVN::Core::VERSION le '1.2.0'); |
|
my $ret = $self->SUPER::get_log(@args, $pool); |
|
$pool->clear; |
|
$ret; |
|
} |
|
|
|
sub get_commit_editor { |
|
my ($self, $log, $cb, $pool) = @_; |
|
my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef, 0) : (); |
|
$self->SUPER::get_commit_editor($log, $cb, @lock, $pool); |
|
} |
|
|
|
sub gs_do_update { |
|
my ($self, $rev_a, $rev_b, $gs, $editor) = @_; |
|
my $new = ($rev_a == $rev_b); |
|
my $path = $gs->{path}; |
|
|
|
if ($new && -e $gs->{index}) { |
|
unlink $gs->{index} or die |
|
"Couldn't unlink index: $gs->{index}: $!\n"; |
|
} |
|
my $pool = SVN::Pool->new; |
|
$editor->set_path_strip($path); |
|
my (@pc) = split m#/#, $path; |
|
my $reporter = $self->do_update($rev_b, (@pc ? shift @pc : ''), |
|
1, $editor, $pool); |
|
my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef) : (); |
|
|
|
# Since we can't rely on svn_ra_reparent being available, we'll |
|
# just have to do some magic with set_path to make it so |
|
# we only want a partial path. |
|
my $sp = ''; |
|
my $final = join('/', @pc); |
|
while (@pc) { |
|
$reporter->set_path($sp, $rev_b, 0, @lock, $pool); |
|
$sp .= '/' if length $sp; |
|
$sp .= shift @pc; |
|
} |
|
die "BUG: '$sp' != '$final'\n" if ($sp ne $final); |
|
|
|
$reporter->set_path($sp, $rev_a, $new, @lock, $pool); |
|
|
|
$reporter->finish_report($pool); |
|
$pool->clear; |
|
$editor->{git_commit_ok}; |
|
} |
|
|
|
# this requires SVN 1.4.3 or later (do_switch didn't work before 1.4.3, and |
|
# svn_ra_reparent didn't work before 1.4) |
|
sub gs_do_switch { |
|
my ($self, $rev_a, $rev_b, $gs, $url_b, $editor) = @_; |
|
my $path = $gs->{path}; |
|
my $pool = SVN::Pool->new; |
|
|
|
my $full_url = $self->{url}; |
|
my $old_url = $full_url; |
|
$full_url .= "/$path" if length $path; |
|
my ($ra, $reparented); |
|
if ($old_url ne $full_url) { |
|
if ($old_url !~ m#^svn(\+ssh)?://#) { |
|
SVN::_Ra::svn_ra_reparent($self->{session}, $full_url, |
|
$pool); |
|
$self->{url} = $full_url; |
|
$reparented = 1; |
|
} else { |
|
$ra = Git::SVN::Ra->new($full_url); |
|
} |
|
} |
|
$ra ||= $self; |
|
my $reporter = $ra->do_switch($rev_b, '', 1, $url_b, $editor, $pool); |
|
my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef) : (); |
|
$reporter->set_path('', $rev_a, 0, @lock, $pool); |
|
$reporter->finish_report($pool); |
|
|
|
if ($reparented) { |
|
SVN::_Ra::svn_ra_reparent($self->{session}, $old_url, $pool); |
|
$self->{url} = $old_url; |
|
} |
|
|
|
$pool->clear; |
|
$editor->{git_commit_ok}; |
|
} |
|
|
|
sub longest_common_path { |
|
my ($gsv, $globs) = @_; |
|
my %common; |
|
my $common_max = scalar @$gsv; |
|
|
|
foreach my $gs (@$gsv) { |
|
my @tmp = split m#/#, $gs->{path}; |
|
my $p = ''; |
|
foreach (@tmp) { |
|
$p .= length($p) ? "/$_" : $_; |
|
$common{$p} ||= 0; |
|
$common{$p}++; |
|
} |
|
} |
|
$globs ||= []; |
|
$common_max += scalar @$globs; |
|
foreach my $glob (@$globs) { |
|
my @tmp = split m#/#, $glob->{path}->{left}; |
|
my $p = ''; |
|
foreach (@tmp) { |
|
$p .= length($p) ? "/$_" : $_; |
|
$common{$p} ||= 0; |
|
$common{$p}++; |
|
} |
|
} |
|
|
|
my $longest_path = ''; |
|
foreach (sort {length $b <=> length $a} keys %common) { |
|
if ($common{$_} == $common_max) { |
|
$longest_path = $_; |
|
last; |
|
} |
|
} |
|
$longest_path; |
|
} |
|
|
|
sub gs_fetch_loop_common { |
|
my ($self, $base, $head, $gsv, $globs) = @_; |
|
return if ($base > $head); |
|
my $inc = $_log_window_size; |
|
my ($min, $max) = ($base, $head < $base + $inc ? $head : $base + $inc); |
|
my $longest_path = longest_common_path($gsv, $globs); |
|
while (1) { |
|
my %revs; |
|
my $err; |
|
my $err_handler = $SVN::Error::handler; |
|
$SVN::Error::handler = sub { |
|
($err) = @_; |
|
skip_unknown_revs($err); |
|
}; |
|
sub _cb { |
|
my ($paths, $r, $author, $date, $log) = @_; |
|
[ dup_changed_paths($paths), |
|
{ author => $author, date => $date, log => $log } ]; |
|
} |
|
$self->get_log([$longest_path], $min, $max, 0, 1, 1, |
|
sub { $revs{$_[1]} = _cb(@_) }); |
|
if ($err && $max >= $head) { |
|
print STDERR "Path '$longest_path' ", |
|
"was probably deleted:\n", |
|
$err->expanded_message, |
|
"\nWill attempt to follow ", |
|
"revisions r$min .. r$max ", |
|
"committed before the deletion\n"; |
|
my $hi = $max; |
|
while (--$hi >= $min) { |
|
my $ok; |
|
$self->get_log([$longest_path], $min, $hi, |
|
0, 1, 1, sub { |
|
$ok ||= $_[1]; |
|
$revs{$_[1]} = _cb(@_) }); |
|
if ($ok) { |
|
print STDERR "r$min .. r$ok OK\n"; |
|
last; |
|
} |
|
} |
|
} |
|
$SVN::Error::handler = $err_handler; |
|
|
|
my %exists = map { $_->{path} => $_ } @$gsv; |
|
foreach my $r (sort {$a <=> $b} keys %revs) { |
|
my ($paths, $logged) = @{$revs{$r}}; |
|
|
|
foreach my $gs ($self->match_globs(\%exists, $paths, |
|
$globs, $r)) { |
|
if ($gs->rev_db_max >= $r) { |
|
next; |
|
} |
|
next unless $gs->match_paths($paths, $r); |
|
$gs->{logged_rev_props} = $logged; |
|
if (my $last_commit = $gs->last_commit) { |
|
$gs->assert_index_clean($last_commit); |
|
} |
|
my $log_entry = $gs->do_fetch($paths, $r); |
|
if ($log_entry) { |
|
$gs->do_git_commit($log_entry); |
|
} |
|
} |
|
foreach my $g (@$globs) { |
|
my $k = "svn-remote.$g->{remote}." . |
|
"$g->{t}-maxRev"; |
|
Git::SVN::tmp_config($k, $r); |
|
} |
|
} |
|
# pre-fill the .rev_db since it'll eventually get filled in |
|
# with '0' x40 if something new gets committed |
|
foreach my $gs (@$gsv) { |
|
next if defined $gs->rev_db_get($max); |
|
$gs->rev_db_set($max, 0 x40); |
|
} |
|
foreach my $g (@$globs) { |
|
my $k = "svn-remote.$g->{remote}.$g->{t}-maxRev"; |
|
Git::SVN::tmp_config($k, $max); |
|
} |
|
last if $max >= $head; |
|
$min = $max + 1; |
|
$max += $inc; |
|
$max = $head if ($max > $head); |
|
} |
|
} |
|
|
|
sub match_globs { |
|
my ($self, $exists, $paths, $globs, $r) = @_; |
|
|
|
sub get_dir_check { |
|
my ($self, $exists, $g, $r) = @_; |
|
my @x = eval { $self->get_dir($g->{path}->{left}, $r) }; |
|
return unless scalar @x == 3; |
|
my $dirents = $x[0]; |
|
foreach my $de (keys %$dirents) { |
|
next if $dirents->{$de}->{kind} != $SVN::Node::dir; |
|
my $p = $g->{path}->full_path($de); |
|
next if $exists->{$p}; |
|
next if (length $g->{path}->{right} && |
|
($self->check_path($p, $r) != |
|
$SVN::Node::dir)); |
|
$exists->{$p} = Git::SVN->init($self->{url}, $p, undef, |
|
$g->{ref}->full_path($de), 1); |
|
} |
|
} |
|
foreach my $g (@$globs) { |
|
if (my $path = $paths->{"/$g->{path}->{left}"}) { |
|
if ($path->{action} =~ /^[AR]$/) { |
|
get_dir_check($self, $exists, $g, $r); |
|
} |
|
} |
|
foreach (keys %$paths) { |
|
if (/$g->{path}->{left_regex}/ && |
|
!/$g->{path}->{regex}/) { |
|
next if $paths->{$_}->{action} !~ /^[AR]$/; |
|
get_dir_check($self, $exists, $g, $r); |
|
} |
|
next unless /$g->{path}->{regex}/; |
|
my $p = $1; |
|
my $pathname = $g->{path}->full_path($p); |
|
next if $exists->{$pathname}; |
|
next if ($self->check_path($pathname, $r) != |
|
$SVN::Node::dir); |
|
$exists->{$pathname} = Git::SVN->init( |
|
$self->{url}, $pathname, undef, |
|
$g->{ref}->full_path($p), 1); |
|
} |
|
my $c = ''; |
|
foreach (split m#/#, $g->{path}->{left}) { |
|
$c .= "/$_"; |
|
next unless ($paths->{$c} && |
|
($paths->{$c}->{action} =~ /^[AR]$/)); |
|
get_dir_check($self, $exists, $g, $r); |
|
} |
|
} |
|
values %$exists; |
|
} |
|
|
|
sub minimize_url { |
|
my ($self) = @_; |
|
return $self->{url} if ($self->{url} eq $self->{repos_root}); |
|
my $url = $self->{repos_root}; |
|
my @components = split(m!/!, $self->{svn_path}); |
|
my $c = ''; |
|
do { |
|
$url .= "/$c" if length $c; |
|
eval { (ref $self)->new($url)->get_latest_revnum }; |
|
} while ($@ && ($c = shift @components)); |
|
$url; |
|
} |
|
|
|
sub can_do_switch { |
|
my $self = shift; |
|
unless (defined $can_do_switch) { |
|
my $pool = SVN::Pool->new; |
|
my $rep = eval { |
|
$self->do_switch(1, '', 0, $self->{url}, |
|
SVN::Delta::Editor->new, $pool); |
|
}; |
|
if ($@) { |
|
$can_do_switch = 0; |
|
} else { |
|
$rep->abort_report($pool); |
|
$can_do_switch = 1; |
|
} |
|
$pool->clear; |
|
} |
|
$can_do_switch; |
|
} |
|
|
|
sub skip_unknown_revs { |
|
my ($err) = @_; |
|
my $errno = $err->apr_err(); |
|
# Maybe the branch we're tracking didn't |
|
# exist when the repo started, so it's |
|
# not an error if it doesn't, just continue |
|
# |
|
# Wonderfully consistent library, eh? |
|
# 160013 - svn:// and file:// |
|
# 175002 - http(s):// |
|
# 175007 - http(s):// (this repo required authorization, too...) |
|
# More codes may be discovered later... |
|
if ($errno == 175007 || $errno == 175002 || $errno == 160013) { |
|
my $err_key = $err->expanded_message; |
|
# revision numbers change every time, filter them out |
|
$err_key =~ s/\d+/\0/g; |
|
$err_key = "$errno\0$err_key"; |
|
unless ($ignored_err{$err_key}) { |
|
warn "W: Ignoring error from SVN, path probably ", |
|
"does not exist: ($errno): ", |
|
$err->expanded_message,"\n"; |
|
$ignored_err{$err_key} = 1; |
|
} |
|
return; |
|
} |
|
die "Error from SVN, ($errno): ", $err->expanded_message,"\n"; |
|
} |
|
|
|
# svn_log_changed_path_t objects passed to get_log are likely to be |
|
# overwritten even if only the refs are copied to an external variable, |
|
# so we should dup the structures in their entirety. Using an externally |
|
# passed pool (instead of our temporary and quickly cleared pool in |
|
# Git::SVN::Ra) does not help matters at all... |
|
sub dup_changed_paths { |
|
my ($paths) = @_; |
|
return undef unless $paths; |
|
my %ret; |
|
foreach my $p (keys %$paths) { |
|
my $i = $paths->{$p}; |
|
my %s = map { $_ => $i->$_ } |
|
qw/copyfrom_path copyfrom_rev action/; |
|
$ret{$p} = \%s; |
|
} |
|
\%ret; |
|
} |
|
|
|
package Git::SVN::Log; |
|
use strict; |
|
use warnings; |
|
use POSIX qw/strftime/; |
|
use vars qw/$TZ $limit $color $pager $non_recursive $verbose $oneline |
|
%rusers $show_commit $incremental/; |
|
my $l_fmt; |
|
|
|
sub cmt_showable { |
|
my ($c) = @_; |
|
return 1 if defined $c->{r}; |
|
|
|
# big commit message got truncated by the 16k pretty buffer in rev-list |
|
if ($c->{l} && $c->{l}->[-1] eq "...\n" && |
|
$c->{a_raw} =~ /\@([a-f\d\-]+)>$/) { |
|
@{$c->{l}} = (); |
|
my @log = command(qw/cat-file commit/, $c->{c}); |
|
|
|
# shift off the headers |
|
shift @log while ($log[0] ne ''); |
|
shift @log; |
|
|
|
# TODO: make $c->{l} not have a trailing newline in the future |
|
@{$c->{l}} = map { "$_\n" } grep !/^git-svn-id: /, @log; |
|
|
|
(undef, $c->{r}, undef) = ::extract_metadata( |
|
(grep(/^git-svn-id: /, @log))[-1]); |
|
} |
|
return defined $c->{r}; |
|
} |
|
|
|
sub log_use_color { |
|
return 1 if $color; |
|
my ($dc, $dcvar); |
|
$dcvar = 'color.diff'; |
|
$dc = `git-config --get $dcvar`; |
|
if ($dc eq '') { |
|
# nothing at all; fallback to "diff.color" |
|
$dcvar = 'diff.color'; |
|
$dc = `git-config --get $dcvar`; |
|
} |
|
chomp($dc); |
|
if ($dc eq 'auto') { |
|
my $pc; |
|
$pc = `git-config --get color.pager`; |
|
if ($pc eq '') { |
|
# does not have it -- fallback to pager.color |
|
$pc = `git-config --bool --get pager.color`; |
|
} |
|
else { |
|
$pc = `git-config --bool --get color.pager`; |
|
if ($?) { |
|
$pc = 'false'; |
|
} |
|
} |
|
chomp($pc); |
|
if (-t *STDOUT || (defined $pager && $pc eq 'true')) { |
|
return ($ENV{TERM} && $ENV{TERM} ne 'dumb'); |
|
} |
|
return 0; |
|
} |
|
return 0 if $dc eq 'never'; |
|
return 1 if $dc eq 'always'; |
|
chomp($dc = `git-config --bool --get $dcvar`); |
|
return ($dc eq 'true'); |
|
} |
|
|
|
sub git_svn_log_cmd { |
|
my ($r_min, $r_max, @args) = @_; |
|
my $head = 'HEAD'; |
|
my (@files, @log_opts); |
|
foreach my $x (@args) { |
|
if ($x eq '--' || @files) { |
|
push @files, $x; |
|
} else { |
|
if (::verify_ref("$x^0")) { |
|
$head = $x; |
|
} else { |
|
push @log_opts, $x; |
|
} |
|
} |
|
} |
|
|
|
my ($url, $rev, $uuid, $gs) = ::working_head_info($head); |
|
$gs ||= Git::SVN->_new; |
|
my @cmd = (qw/log --abbrev-commit --pretty=raw --default/, |
|
$gs->refname); |
|
push @cmd, '-r' unless $non_recursive; |
|
push @cmd, qw/--raw --name-status/ if $verbose; |
|
push @cmd, '--color' if log_use_color(); |
|
push @cmd, @log_opts; |
|
if (defined $r_max && $r_max == $r_min) { |
|
push @cmd, '--max-count=1'; |
|
if (my $c = $gs->rev_db_get($r_max)) { |
|
push @cmd, $c; |
|
} |
|
} elsif (defined $r_max) { |
|
my ($c_min, $c_max); |
|
$c_max = $gs->rev_db_get($r_max); |
|
$c_min = $gs->rev_db_get($r_min); |
|
if (defined $c_min && defined $c_max) { |
|
if ($r_max > $r_max) { |
|
push @cmd, "$c_min..$c_max"; |
|
} else { |
|
push @cmd, "$c_max..$c_min"; |
|
} |
|
} elsif ($r_max > $r_min) { |
|
push @cmd, $c_max; |
|
} else { |
|
push @cmd, $c_min; |
|
} |
|
} |
|
return (@cmd, @files); |
|
} |
|
|
|
# adapted from pager.c |
|
sub config_pager { |
|
$pager ||= $ENV{GIT_PAGER} || $ENV{PAGER}; |
|
if (!defined $pager) { |
|
$pager = 'less'; |
|
} elsif (length $pager == 0 || $pager eq 'cat') { |
|
$pager = undef; |
|
} |
|
} |
|
|
|
sub run_pager { |
|
return unless -t *STDOUT; |
|
pipe my $rfd, my $wfd or return; |
|
defined(my $pid = fork) or ::fatal "Can't fork: $!\n"; |
|
if (!$pid) { |
|
open STDOUT, '>&', $wfd or |
|
::fatal "Can't redirect to stdout: $!\n"; |
|
return; |
|
} |
|
open STDIN, '<&', $rfd or ::fatal "Can't redirect stdin: $!\n"; |
|
$ENV{LESS} ||= 'FRSX'; |
|
exec $pager or ::fatal "Can't run pager: $! ($pager)\n"; |
|
} |
|
|
|
sub tz_to_s_offset { |
|
my ($tz) = @_; |
|
$tz =~ s/(\d\d)$//; |
|
return ($1 * 60) + ($tz * 3600); |
|
} |
|
|
|
sub get_author_info { |
|
my ($dest, $author, $t, $tz) = @_; |
|
$author =~ s/(?:^\s*|\s*$)//g; |
|
$dest->{a_raw} = $author; |
|
my $au; |
|
if ($::_authors) { |
|
$au = $rusers{$author} || undef; |
|
} |
|
if (!$au) { |
|
($au) = ($author =~ /<([^>]+)\@[^>]+>$/); |
|
} |
|
$dest->{t} = $t; |
|
$dest->{tz} = $tz; |
|
$dest->{a} = $au; |
|
# Date::Parse isn't in the standard Perl distro :( |
|
if ($tz =~ s/^\+//) { |
|
$t += tz_to_s_offset($tz); |
|
} elsif ($tz =~ s/^\-//) { |
|
$t -= tz_to_s_offset($tz); |
|
} |
|
$dest->{t_utc} = $t; |
|
} |
|
|
|
sub process_commit { |
|
my ($c, $r_min, $r_max, $defer) = @_; |
|
if (defined $r_min && defined $r_max) { |
|
if ($r_min == $c->{r} && $r_min == $r_max) { |
|
show_commit($c); |
|
return 0; |
|
} |
|
return 1 if $r_min == $r_max; |
|
if ($r_min < $r_max) { |
|
# we need to reverse the print order |
|
return 0 if (defined $limit && --$limit < 0); |
|
push @$defer, $c; |
|
return 1; |
|
} |
|
if ($r_min != $r_max) { |
|
return 1 if ($r_min < $c->{r}); |
|
return 1 if ($r_max > $c->{r}); |
|
} |
|
} |
|
return 0 if (defined $limit && --$limit < 0); |
|
show_commit($c); |
|
return 1; |
|
} |
|
|
|
sub show_commit { |
|
my $c = shift; |
|
if ($oneline) { |
|
my $x = "\n"; |
|
if (my $l = $c->{l}) { |
|
while ($l->[0] =~ /^\s*$/) { shift @$l } |
|
$x = $l->[0]; |
|
} |
|
$l_fmt ||= 'A' . length($c->{r}); |
|
print 'r',pack($l_fmt, $c->{r}),' | '; |
|
print "$c->{c} | " if $show_commit; |
|
print $x; |
|
} else { |
|
show_commit_normal($c); |
|
} |
|
} |
|
|
|
sub show_commit_changed_paths { |
|
my ($c) = @_; |
|
return unless $c->{changed}; |
|
print "Changed paths:\n", @{$c->{changed}}; |
|
} |
|
|
|
sub show_commit_normal { |
|
my ($c) = @_; |
|
print '-' x72, "\nr$c->{r} | "; |
|
print "$c->{c} | " if $show_commit; |
|
print "$c->{a} | ", strftime("%Y-%m-%d %H:%M:%S %z (%a, %d %b %Y)", |
|
localtime($c->{t_utc})), ' | '; |
|
my $nr_line = 0; |
|
|
|
if (my $l = $c->{l}) { |
|
while ($l->[$#$l] eq "\n" && $#$l > 0 |
|
&& $l->[($#$l - 1)] eq "\n") { |
|
pop @$l; |
|
} |
|
$nr_line = scalar @$l; |
|
if (!$nr_line) { |
|
print "1 line\n\n\n"; |
|
} else { |
|
if ($nr_line == 1) { |
|
$nr_line = '1 line'; |
|
} else { |
|
$nr_line .= ' lines'; |
|
} |
|
print $nr_line, "\n"; |
|
show_commit_changed_paths($c); |
|
print "\n"; |
|
print $_ foreach @$l; |
|
} |
|
} else { |
|
print "1 line\n"; |
|
show_commit_changed_paths($c); |
|
print "\n"; |
|
|
|
} |
|
foreach my $x (qw/raw stat diff/) { |
|
if ($c->{$x}) { |
|
print "\n"; |
|
print $_ foreach @{$c->{$x}} |
|
} |
|
} |
|
} |
|
|
|
sub cmd_show_log { |
|
my (@args) = @_; |
|
my ($r_min, $r_max); |
|
my $r_last = -1; # prevent dupes |
|
if (defined $TZ) { |
|
$ENV{TZ} = $TZ; |
|
} else { |
|
delete $ENV{TZ}; |
|
} |
|
if (defined $::_revision) { |
|
if ($::_revision =~ /^(\d+):(\d+)$/) { |
|
($r_min, $r_max) = ($1, $2); |
|
} elsif ($::_revision =~ /^\d+$/) { |
|
$r_min = $r_max = $::_revision; |
|
} else { |
|
::fatal "-r$::_revision is not supported, use ", |
|
"standard \'git log\' arguments instead\n"; |
|
} |
|
} |
|
|
|
config_pager(); |
|
@args = git_svn_log_cmd($r_min, $r_max, @args); |
|
my $log = command_output_pipe(@args); |
|
run_pager(); |
|
my (@k, $c, $d, $stat); |
|
my $esc_color = qr/(?:\033\[(?:(?:\d+;)*\d*)?m)*/; |
|
while (<$log>) { |
|
if (/^${esc_color}commit ($::sha1_short)/o) { |
|
my $cmt = $1; |
|
if ($c && cmt_showable($c) && $c->{r} != $r_last) { |
|
$r_last = $c->{r}; |
|
process_commit($c, $r_min, $r_max, \@k) or |
|
goto out; |
|
} |
|
$d = undef; |
|
$c = { c => $cmt }; |
|
} elsif (/^${esc_color}author (.+) (\d+) ([\-\+]?\d+)$/o) { |
|
get_author_info($c, $1, $2, $3); |
|
} elsif (/^${esc_color}(?:tree|parent|committer) /o) { |
|
# ignore |
|
} elsif (/^${esc_color}:\d{6} \d{6} $::sha1_short/o) { |
|
push @{$c->{raw}}, $_; |
|
} elsif (/^${esc_color}[ACRMDT]\t/) { |
|
# we could add $SVN->{svn_path} here, but that requires |
|
# remote access at the moment (repo_path_split)... |
|
s#^(${esc_color})([ACRMDT])\t#$1 $2 #o; |
|
push @{$c->{changed}}, $_; |
|
} elsif (/^${esc_color}diff /o) { |
|
$d = 1; |
|
push @{$c->{diff}}, $_; |
|
} elsif ($d) { |
|
push @{$c->{diff}}, $_; |
|
} elsif (/^\ .+\ \|\s*\d+\ $esc_color[\+\-]* |
|
$esc_color*[\+\-]*$esc_color$/x) { |
|
$stat = 1; |
|
push @{$c->{stat}}, $_; |
|
} elsif ($stat && /^ \d+ files changed, \d+ insertions/) { |
|
push @{$c->{stat}}, $_; |
|
$stat = undef; |
|
} elsif (/^${esc_color} (git-svn-id:.+)$/o) { |
|
($c->{url}, $c->{r}, undef) = ::extract_metadata($1); |
|
} elsif (s/^${esc_color} //o) { |
|
push @{$c->{l}}, $_; |
|
} |
|
} |
|
if ($c && defined $c->{r} && $c->{r} != $r_last) { |
|
$r_last = $c->{r}; |
|
process_commit($c, $r_min, $r_max, \@k); |
|
} |
|
if (@k) { |
|
my $swap = $r_max; |
|
$r_max = $r_min; |
|
$r_min = $swap; |
|
process_commit($_, $r_min, $r_max) foreach reverse @k; |
|
} |
|
out: |
|
close $log; |
|
print '-' x72,"\n" unless $incremental || $oneline; |
|
} |
|
|
|
package Git::SVN::Migration; |
|
# these version numbers do NOT correspond to actual version numbers |
|
# of git nor git-svn. They are just relative. |
|
# |
|
# v0 layout: .git/$id/info/url, refs/heads/$id-HEAD |
|
# |
|
# v1 layout: .git/$id/info/url, refs/remotes/$id |
|
# |
|
# v2 layout: .git/svn/$id/info/url, refs/remotes/$id |
|
# |
|
# v3 layout: .git/svn/$id, refs/remotes/$id |
|
# - info/url may remain for backwards compatibility |
|
# - this is what we migrate up to this layout automatically, |
|
# - this will be used by git svn init on single branches |
|
# v3.1 layout (auto migrated): |
|
# - .rev_db => .rev_db.$UUID, .rev_db will remain as a symlink |
|
# for backwards compatibility |
|
# |
|
# v4 layout: .git/svn/$repo_id/$id, refs/remotes/$repo_id/$id |
|
# - this is only created for newly multi-init-ed |
|
# repositories. Similar in spirit to the |
|
# --use-separate-remotes option in git-clone (now default) |
|
# - we do not automatically migrate to this (following |
|
# the example set by core git) |
|
use strict; |
|
use warnings; |
|
use Carp qw/croak/; |
|
use File::Path qw/mkpath/; |
|
use File::Basename qw/dirname basename/; |
|
use vars qw/$_minimize/; |
|
|
|
sub migrate_from_v0 { |
|
my $git_dir = $ENV{GIT_DIR}; |
|
return undef unless -d $git_dir; |
|
my ($fh, $ctx) = command_output_pipe(qw/rev-parse --symbolic --all/); |
|
my $migrated = 0; |
|
while (<$fh>) { |
|
chomp; |
|
my ($id, $orig_ref) = ($_, $_); |
|
next unless $id =~ s#^refs/heads/(.+)-HEAD$#$1#; |
|
next unless -f "$git_dir/$id/info/url"; |
|
my $new_ref = "refs/remotes/$id"; |
|
if (::verify_ref("$new_ref^0")) { |
|
print STDERR "W: $orig_ref is probably an old ", |
|
"branch used by an ancient version of ", |
|
"git-svn.\n", |
|
"However, $new_ref also exists.\n", |
|
"We will not be able ", |
|
"to use this branch until this ", |
|
"ambiguity is resolved.\n"; |
|
next; |
|
} |
|
print STDERR "Migrating from v0 layout...\n" if !$migrated; |
|
print STDERR "Renaming ref: $orig_ref => $new_ref\n"; |
|
command_noisy('update-ref', $new_ref, $orig_ref); |
|
command_noisy('update-ref', '-d', $orig_ref, $orig_ref); |
|
$migrated++; |
|
} |
|
command_close_pipe($fh, $ctx); |
|
print STDERR "Done migrating from v0 layout...\n" if $migrated; |
|
$migrated; |
|
} |
|
|
|
sub migrate_from_v1 { |
|
my $git_dir = $ENV{GIT_DIR}; |
|
my $migrated = 0; |
|
return $migrated unless -d $git_dir; |
|
my $svn_dir = "$git_dir/svn"; |
|
|
|
# just in case somebody used 'svn' as their $id at some point... |
|
return $migrated if -d $svn_dir && ! -f "$svn_dir/info/url"; |
|
|
|
print STDERR "Migrating from a git-svn v1 layout...\n"; |
|
mkpath([$svn_dir]); |
|
print STDERR "Data from a previous version of git-svn exists, but\n\t", |
|
"$svn_dir\n\t(required for this version ", |
|
"($::VERSION) of git-svn) does not. exist\n"; |
|
my ($fh, $ctx) = command_output_pipe(qw/rev-parse --symbolic --all/); |
|
while (<$fh>) { |
|
my $x = $_; |
|
next unless $x =~ s#^refs/remotes/##; |
|
chomp $x; |
|
next unless -f "$git_dir/$x/info/url"; |
|
my $u = eval { ::file_to_s("$git_dir/$x/info/url") }; |
|
next unless $u; |
|
my $dn = dirname("$git_dir/svn/$x"); |
|
mkpath([$dn]) unless -d $dn; |
|
if ($x eq 'svn') { # they used 'svn' as GIT_SVN_ID: |
|
mkpath(["$git_dir/svn/svn"]); |
|
print STDERR " - $git_dir/$x/info => ", |
|
"$git_dir/svn/$x/info\n"; |
|
rename "$git_dir/$x/info", "$git_dir/svn/$x/info" or |
|
croak "$!: $x"; |
|
# don't worry too much about these, they probably |
|
# don't exist with repos this old (save for index, |
|
# and we can easily regenerate that) |
|
foreach my $f (qw/unhandled.log index .rev_db/) { |
|
rename "$git_dir/$x/$f", "$git_dir/svn/$x/$f"; |
|
} |
|
} else { |
|
print STDERR " - $git_dir/$x => $git_dir/svn/$x\n"; |
|
rename "$git_dir/$x", "$git_dir/svn/$x" or |
|
croak "$!: $x"; |
|
} |
|
$migrated++; |
|
} |
|
command_close_pipe($fh, $ctx); |
|
print STDERR "Done migrating from a git-svn v1 layout\n"; |
|
$migrated; |
|
} |
|
|
|
sub read_old_urls { |
|
my ($l_map, $pfx, $path) = @_; |
|
my @dir; |
|
foreach (<$path/*>) { |
|
if (-r "$_/info/url") { |
|
$pfx .= '/' if $pfx && $pfx !~ m!/$!; |
|
my $ref_id = $pfx . basename $_; |
|
my $url = ::file_to_s("$_/info/url"); |
|
$l_map->{$ref_id} = $url; |
|
} elsif (-d $_) { |
|
push @dir, $_; |
|
} |
|
} |
|
foreach (@dir) { |
|
my $x = $_; |
|
$x =~ s!^\Q$ENV{GIT_DIR}\E/svn/!!o; |
|
read_old_urls($l_map, $x, $_); |
|
} |
|
} |
|
|
|
sub migrate_from_v2 { |
|
my @cfg = command(qw/config -l/); |
|
return if grep /^svn-remote\..+\.url=/, @cfg; |
|
my %l_map; |
|
read_old_urls(\%l_map, '', "$ENV{GIT_DIR}/svn"); |
|
my $migrated = 0; |
|
|
|
foreach my $ref_id (sort keys %l_map) { |
|
eval { Git::SVN->init($l_map{$ref_id}, '', undef, $ref_id) }; |
|
if ($@) { |
|
Git::SVN->init($l_map{$ref_id}, '', $ref_id, $ref_id); |
|
} |
|
$migrated++; |
|
} |
|
$migrated; |
|
} |
|
|
|
sub minimize_connections { |
|
my $r = Git::SVN::read_all_remotes(); |
|
my $new_urls = {}; |
|
my $root_repos = {}; |
|
foreach my $repo_id (keys %$r) { |
|
my $url = $r->{$repo_id}->{url} or next; |
|
my $fetch = $r->{$repo_id}->{fetch} or next; |
|
my $ra = Git::SVN::Ra->new($url); |
|
|
|
# skip existing cases where we already connect to the root |
|
if (($ra->{url} eq $ra->{repos_root}) || |
|
(Git::SVN::sanitize_remote_name($ra->{repos_root}) eq |
|
$repo_id)) { |
|
$root_repos->{$ra->{url}} = $repo_id; |
|
next; |
|
} |
|
|
|
my $root_ra = Git::SVN::Ra->new($ra->{repos_root}); |
|
my $root_path = $ra->{url}; |
|
$root_path =~ s#^\Q$ra->{repos_root}\E(/|$)##; |
|
foreach my $path (keys %$fetch) { |
|
my $ref_id = $fetch->{$path}; |
|
my $gs = Git::SVN->new($ref_id, $repo_id, $path); |
|
|
|
# make sure we can read when connecting to |
|
# a higher level of a repository |
|
my ($last_rev, undef) = $gs->last_rev_commit; |
|
if (!defined $last_rev) { |
|
$last_rev = eval { |
|
$root_ra->get_latest_revnum; |
|
}; |
|
next if $@; |
|
} |
|
my $new = $root_path; |
|
$new .= length $path ? "/$path" : ''; |
|
eval { |
|
$root_ra->get_log([$new], $last_rev, $last_rev, |
|
0, 0, 1, sub { }); |
|
}; |
|
next if $@; |
|
$new_urls->{$ra->{repos_root}}->{$new} = |
|
{ ref_id => $ref_id, |
|
old_repo_id => $repo_id, |
|
old_path => $path }; |
|
} |
|
} |
|
|
|
my @emptied; |
|
foreach my $url (keys %$new_urls) { |
|
# see if we can re-use an existing [svn-remote "repo_id"] |
|
# instead of creating a(n ugly) new section: |
|
my $repo_id = $root_repos->{$url} || |
|
Git::SVN::sanitize_remote_name($url); |
|
|
|
my $fetch = $new_urls->{$url}; |
|
foreach my $path (keys %$fetch) { |
|
my $x = $fetch->{$path}; |
|
Git::SVN->init($url, $path, $repo_id, $x->{ref_id}); |
|
my $pfx = "svn-remote.$x->{old_repo_id}"; |
|
|
|
my $old_fetch = quotemeta("$x->{old_path}:". |
|
"refs/remotes/$x->{ref_id}"); |
|
command_noisy(qw/config --unset/, |
|
"$pfx.fetch", '^'. $old_fetch . '$'); |
|
delete $r->{$x->{old_repo_id}}-> |
|
{fetch}->{$x->{old_path}}; |
|
if (!keys %{$r->{$x->{old_repo_id}}->{fetch}}) { |
|
command_noisy(qw/config --unset/, |
|
"$pfx.url"); |
|
push @emptied, $x->{old_repo_id} |
|
} |
|
} |
|
} |
|
if (@emptied) { |
|
my $file = $ENV{GIT_CONFIG} || $ENV{GIT_CONFIG_LOCAL} || |
|
"$ENV{GIT_DIR}/config"; |
|
print STDERR <<EOF; |
|
The following [svn-remote] sections in your config file ($file) are empty |
|
and can be safely removed: |
|
EOF |
|
print STDERR "[svn-remote \"$_\"]\n" foreach @emptied; |
|
} |
|
} |
|
|
|
sub migration_check { |
|
migrate_from_v0(); |
|
migrate_from_v1(); |
|
migrate_from_v2(); |
|
minimize_connections() if $_minimize; |
|
} |
|
|
|
package Git::IndexInfo; |
|
use strict; |
|
use warnings; |
|
use Git qw/command_input_pipe command_close_pipe/; |
|
|
|
sub new { |
|
my ($class) = @_; |
|
my ($gui, $ctx) = command_input_pipe(qw/update-index -z --index-info/); |
|
bless { gui => $gui, ctx => $ctx, nr => 0}, $class; |
|
} |
|
|
|
sub remove { |
|
my ($self, $path) = @_; |
|
if (print { $self->{gui} } '0 ', 0 x 40, "\t", $path, "\0") { |
|
return ++$self->{nr}; |
|
} |
|
undef; |
|
} |
|
|
|
sub update { |
|
my ($self, $mode, $hash, $path) = @_; |
|
if (print { $self->{gui} } $mode, ' ', $hash, "\t", $path, "\0") { |
|
return ++$self->{nr}; |
|
} |
|
undef; |
|
} |
|
|
|
sub DESTROY { |
|
my ($self) = @_; |
|
command_close_pipe($self->{gui}, $self->{ctx}); |
|
} |
|
|
|
package Git::SVN::GlobSpec; |
|
use strict; |
|
use warnings; |
|
|
|
sub new { |
|
my ($class, $glob) = @_; |
|
my $re = $glob; |
|
$re =~ s!/+$!!g; # no need for trailing slashes |
|
my $nr = ($re =~ s!^(.*)\*(.*)$!\(\[^/\]+\)!g); |
|
my ($left, $right) = ($1, $2); |
|
if ($nr > 1) { |
|
die "Only one '*' wildcard expansion ", |
|
"is supported (got $nr): '$glob'\n"; |
|
} elsif ($nr == 0) { |
|
die "One '*' is needed for glob: '$glob'\n"; |
|
} |
|
$re = quotemeta($left) . $re . quotemeta($right); |
|
if (length $left && !($left =~ s!/+$!!g)) { |
|
die "Missing trailing '/' on left side of: '$glob' ($left)\n"; |
|
} |
|
if (length $right && !($right =~ s!^/+!!g)) { |
|
die "Missing leading '/' on right side of: '$glob' ($right)\n"; |
|
} |
|
my $left_re = qr/^\/\Q$left\E(\/|$)/; |
|
bless { left => $left, right => $right, left_regex => $left_re, |
|
regex => qr/$re/, glob => $glob }, $class; |
|
} |
|
|
|
sub full_path { |
|
my ($self, $path) = @_; |
|
return (length $self->{left} ? "$self->{left}/" : '') . |
|
$path . (length $self->{right} ? "/$self->{right}" : ''); |
|
} |
|
|
|
__END__ |
|
|
|
Data structures: |
|
|
|
|
|
$remotes = { # returned by read_all_remotes() |
|
'svn' => { |
|
# svn-remote.svn.url=https://svn.musicpd.org |
|
url => 'https://svn.musicpd.org', |
|
# svn-remote.svn.fetch=mpd/trunk:trunk |
|
fetch => { |
|
'mpd/trunk' => 'trunk', |
|
}, |
|
# svn-remote.svn.tags=mpd/tags/*:tags/* |
|
tags => { |
|
path => { |
|
left => 'mpd/tags', |
|
right => '', |
|
regex => qr!mpd/tags/([^/]+)$!, |
|
glob => 'tags/*', |
|
}, |
|
ref => { |
|
left => 'tags', |
|
right => '', |
|
regex => qr!tags/([^/]+)$!, |
|
glob => 'tags/*', |
|
}, |
|
} |
|
} |
|
}; |
|
|
|
$log_entry hashref as returned by libsvn_log_entry() |
|
{ |
|
log => 'whitespace-formatted log entry |
|
', # trailing newline is preserved |
|
revision => '8', # integer |
|
date => '2004-02-24T17:01:44.108345Z', # commit date |
|
author => 'committer name' |
|
}; |
|
|
|
|
|
# this is generated by generate_diff(); |
|
@mods = array of diff-index line hashes, each element represents one line |
|
of diff-index output |
|
|
|
diff-index line ($m hash) |
|
{ |
|
mode_a => first column of diff-index output, no leading ':', |
|
mode_b => second column of diff-index output, |
|
sha1_b => sha1sum of the final blob, |
|
chg => change type [MCRADT], |
|
file_a => original file name of a file (iff chg is 'C' or 'R') |
|
file_b => new/current file name of a file (any chg) |
|
} |
|
; |
|
|
|
# retval of read_url_paths{,_all}(); |
|
$l_map = { |
|
# repository root url |
|
'https://svn.musicpd.org' => { |
|
# repository path # GIT_SVN_ID |
|
'mpd/trunk' => 'trunk', |
|
'mpd/tags/0.11.5' => 'tags/0.11.5', |
|
}, |
|
} |
|
|
|
Notes: |
|
I don't trust the each() function on unless I created %hash myself |
|
because the internal iterator may not have started at base.
|
|
|