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2920 lines
75 KiB
2920 lines
75 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 $VERSION |
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$SVN_URL $SVN_INFO $SVN_WC $SVN_UUID |
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$GIT_SVN_INDEX $GIT_SVN |
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$GIT_DIR $REV_DIR $GIT_SVN_DIR/; |
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$AUTHOR = 'Eric Wong <normalperson@yhbt.net>'; |
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$VERSION = '1.1.0-pre'; |
|
|
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use Cwd qw/abs_path/; |
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$GIT_DIR = abs_path($ENV{GIT_DIR} || '.git'); |
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$ENV{GIT_DIR} = $GIT_DIR; |
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|
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my $LC_ALL = $ENV{LC_ALL}; |
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my $TZ = $ENV{TZ}; |
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# make sure the svn binary gives consistent output between locales and TZs: |
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$ENV{TZ} = 'UTC'; |
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$ENV{LC_ALL} = 'C'; |
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|
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# If SVN:: library support is added, please make the dependencies |
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# optional and preserve the capability to use the command-line client. |
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# use eval { require SVN::... } to make it lazy load |
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# We don't use any modules not in the standard Perl distribution: |
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use Carp qw/croak/; |
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use IO::File qw//; |
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use File::Basename qw/dirname basename/; |
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use File::Path qw/mkpath/; |
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use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev pass_through/; |
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use File::Spec qw//; |
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use POSIX qw/strftime/; |
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|
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my ($SVN_PATH, $SVN, $SVN_LOG, $_use_lib); |
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$_use_lib = 1 unless $ENV{GIT_SVN_NO_LIB}; |
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libsvn_load(); |
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my $sha1 = qr/[a-f\d]{40}/; |
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my $sha1_short = qr/[a-f\d]{4,40}/; |
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my ($_revision,$_stdin,$_no_ignore_ext,$_no_stop_copy,$_help,$_rmdir,$_edit, |
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$_find_copies_harder, $_l, $_cp_similarity, |
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$_repack, $_repack_nr, $_repack_flags, |
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$_template, $_shared, $_no_default_regex, $_no_graft_copy, |
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$_limit, $_verbose, $_incremental, $_oneline, $_l_fmt, $_show_commit, |
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$_version, $_upgrade, $_authors, $_branch_all_refs, @_opt_m); |
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my (@_branch_from, %tree_map, %users, %rusers); |
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my ($_svn_co_url_revs, $_svn_pg_peg_revs); |
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my @repo_path_split_cache; |
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|
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my %fc_opts = ( 'no-ignore-externals' => \$_no_ignore_ext, |
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'branch|b=s' => \@_branch_from, |
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'branch-all-refs|B' => \$_branch_all_refs, |
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'authors-file|A=s' => \$_authors, |
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'repack:i' => \$_repack, |
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'repack-flags|repack-args|repack-opts=s' => \$_repack_flags); |
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|
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my ($_trunk, $_tags, $_branches); |
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my %multi_opts = ( 'trunk|T=s' => \$_trunk, |
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'tags|t=s' => \$_tags, |
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'branches|b=s' => \$_branches ); |
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my %init_opts = ( 'template=s' => \$_template, 'shared' => \$_shared ); |
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|
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# yes, 'native' sets "\n". Patches to fix this for non-*nix systems welcome: |
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my %EOL = ( CR => "\015", LF => "\012", CRLF => "\015\012", native => "\012" ); |
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|
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my %cmd = ( |
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fetch => [ \&fetch, "Download new revisions from SVN", |
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{ 'revision|r=s' => \$_revision, %fc_opts } ], |
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init => [ \&init, "Initialize a repo for tracking" . |
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" (requires URL argument)", |
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\%init_opts ], |
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commit => [ \&commit, "Commit git revisions to SVN", |
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{ 'stdin|' => \$_stdin, |
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'edit|e' => \$_edit, |
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'rmdir' => \$_rmdir, |
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'find-copies-harder' => \$_find_copies_harder, |
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'l=i' => \$_l, |
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'copy-similarity|C=i'=> \$_cp_similarity, |
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%fc_opts, |
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} ], |
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'show-ignore' => [ \&show_ignore, "Show svn:ignore listings", |
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{ 'revision|r=i' => \$_revision } ], |
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rebuild => [ \&rebuild, "Rebuild git-svn metadata (after git clone)", |
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{ 'no-ignore-externals' => \$_no_ignore_ext, |
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'upgrade' => \$_upgrade } ], |
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'graft-branches' => [ \&graft_branches, |
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'Detect merges/branches from already imported history', |
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{ 'merge-rx|m' => \@_opt_m, |
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'no-default-regex' => \$_no_default_regex, |
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'no-graft-copy' => \$_no_graft_copy } ], |
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'multi-init' => [ \&multi_init, |
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'Initialize multiple trees (like git-svnimport)', |
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{ %multi_opts, %fc_opts } ], |
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'multi-fetch' => [ \&multi_fetch, |
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'Fetch multiple trees (like git-svnimport)', |
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\%fc_opts ], |
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'log' => [ \&show_log, 'Show commit logs', |
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{ 'limit=i' => \$_limit, |
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'revision|r=s' => \$_revision, |
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'verbose|v' => \$_verbose, |
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'incremental' => \$_incremental, |
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'oneline' => \$_oneline, |
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'show-commit' => \$_show_commit, |
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'authors-file|A=s' => \$_authors, |
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} ], |
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); |
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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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my $rv = GetOptions(%opts, 'help|H|h' => \$_help, |
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'version|V' => \$_version, |
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'id|i=s' => \$GIT_SVN); |
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exit 1 if (!$rv && $cmd ne 'log'); |
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|
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set_default_vals(); |
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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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init_vars(); |
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load_authors() if $_authors; |
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load_all_refs() if $_branch_all_refs; |
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svn_compat_check(); |
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migration_check() unless $cmd =~ /^(?:init|multi-init)$/; |
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$cmd{$cmd}->[0]->(@ARGV); |
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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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print $fd ' ',pack('A13',$_),$cmd{$_}->[1],"\n"; |
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foreach (keys %{$cmd{$_}->[2]}) { |
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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 17, 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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exit $exit; |
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} |
|
|
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sub version { |
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print "git-svn version $VERSION\n"; |
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exit 0; |
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} |
|
|
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sub rebuild { |
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$SVN_URL = shift or undef; |
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my $newest_rev = 0; |
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if ($_upgrade) { |
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sys('git-update-ref',"refs/remotes/$GIT_SVN","$GIT_SVN-HEAD"); |
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} else { |
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check_upgrade_needed(); |
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} |
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|
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my $pid = open(my $rev_list,'-|'); |
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defined $pid or croak $!; |
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if ($pid == 0) { |
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exec("git-rev-list","refs/remotes/$GIT_SVN") or croak $!; |
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} |
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my $latest; |
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while (<$rev_list>) { |
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chomp; |
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my $c = $_; |
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croak "Non-SHA1: $c\n" unless $c =~ /^$sha1$/o; |
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my @commit = grep(/^git-svn-id: /,`git-cat-file commit $c`); |
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next if (!@commit); # skip merges |
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my ($url, $rev, $uuid) = extract_metadata($commit[$#commit]); |
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if (!$rev || !$uuid) { |
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croak "Unable to extract revision or UUID from ", |
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"$c, $commit[$#commit]\n"; |
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} |
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|
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# if we merged or otherwise started elsewhere, this is |
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# how we break out of it |
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next if (defined $SVN_UUID && ($uuid ne $SVN_UUID)); |
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next if (defined $SVN_URL && defined $url && ($url ne $SVN_URL)); |
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|
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print "r$rev = $c\n"; |
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unless (defined $latest) { |
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if (!$SVN_URL && !$url) { |
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croak "SVN repository location required: $url\n"; |
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} |
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$SVN_URL ||= $url; |
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$SVN_UUID ||= $uuid; |
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setup_git_svn(); |
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$latest = $rev; |
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} |
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assert_revision_eq_or_unknown($rev, $c); |
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sys('git-update-ref',"svn/$GIT_SVN/revs/$rev",$c); |
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$newest_rev = $rev if ($rev > $newest_rev); |
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} |
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close $rev_list or croak $?; |
|
|
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goto out if $_use_lib; |
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if (!chdir $SVN_WC) { |
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svn_cmd_checkout($SVN_URL, $latest, $SVN_WC); |
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chdir $SVN_WC or croak $!; |
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} |
|
|
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$pid = fork; |
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defined $pid or croak $!; |
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if ($pid == 0) { |
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my @svn_up = qw(svn up); |
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push @svn_up, '--ignore-externals' unless $_no_ignore_ext; |
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sys(@svn_up,"-r$newest_rev"); |
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$ENV{GIT_INDEX_FILE} = $GIT_SVN_INDEX; |
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index_changes(); |
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exec('git-write-tree') or croak $!; |
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} |
|
waitpid $pid, 0; |
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croak $? if $?; |
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out: |
|
if ($_upgrade) { |
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print STDERR <<""; |
|
Keeping deprecated refs/head/$GIT_SVN-HEAD for now. Please remove it |
|
when you have upgraded your tools and habits to use refs/remotes/$GIT_SVN |
|
|
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} |
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} |
|
|
|
sub init { |
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$SVN_URL = shift or die "SVN repository location required " . |
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"as a command-line argument\n"; |
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$SVN_URL =~ s!/+$!!; # strip trailing slash |
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unless (-d $GIT_DIR) { |
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my @init_db = ('git-init-db'); |
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push @init_db, "--template=$_template" if defined $_template; |
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push @init_db, "--shared" if defined $_shared; |
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sys(@init_db); |
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} |
|
setup_git_svn(); |
|
} |
|
|
|
sub fetch { |
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check_upgrade_needed(); |
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$SVN_URL ||= file_to_s("$GIT_SVN_DIR/info/url"); |
|
my $ret = $_use_lib ? fetch_lib(@_) : fetch_cmd(@_); |
|
if ($ret->{commit} && quiet_run(qw(git-rev-parse --verify |
|
refs/heads/master^0))) { |
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sys(qw(git-update-ref refs/heads/master),$ret->{commit}); |
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} |
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return $ret; |
|
} |
|
|
|
sub fetch_cmd { |
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my (@parents) = @_; |
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my @log_args = -d $SVN_WC ? ($SVN_WC) : ($SVN_URL); |
|
unless ($_revision) { |
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$_revision = -d $SVN_WC ? 'BASE:HEAD' : '0:HEAD'; |
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} |
|
push @log_args, "-r$_revision"; |
|
push @log_args, '--stop-on-copy' unless $_no_stop_copy; |
|
|
|
my $svn_log = svn_log_raw(@log_args); |
|
|
|
my $base = next_log_entry($svn_log) or croak "No base revision!\n"; |
|
my $last_commit = undef; |
|
unless (-d $SVN_WC) { |
|
svn_cmd_checkout($SVN_URL,$base->{revision},$SVN_WC); |
|
chdir $SVN_WC or croak $!; |
|
read_uuid(); |
|
$last_commit = git_commit($base, @parents); |
|
assert_tree($last_commit); |
|
} else { |
|
chdir $SVN_WC or croak $!; |
|
read_uuid(); |
|
eval { $last_commit = file_to_s("$REV_DIR/$base->{revision}") }; |
|
# looks like a user manually cp'd and svn switch'ed |
|
unless ($last_commit) { |
|
sys(qw/svn revert -R ./); |
|
assert_svn_wc_clean($base->{revision}); |
|
$last_commit = git_commit($base, @parents); |
|
assert_tree($last_commit); |
|
} |
|
} |
|
my @svn_up = qw(svn up); |
|
push @svn_up, '--ignore-externals' unless $_no_ignore_ext; |
|
my $last = $base; |
|
while (my $log_msg = next_log_entry($svn_log)) { |
|
assert_tree($last_commit); |
|
if ($last->{revision} >= $log_msg->{revision}) { |
|
croak "Out of order: last >= current: ", |
|
"$last->{revision} >= $log_msg->{revision}\n"; |
|
} |
|
# Revert is needed for cases like: |
|
# https://svn.musicpd.org/Jamming/trunk (r166:167), but |
|
# I can't seem to reproduce something like that on a test... |
|
sys(qw/svn revert -R ./); |
|
assert_svn_wc_clean($last->{revision}); |
|
sys(@svn_up,"-r$log_msg->{revision}"); |
|
$last_commit = git_commit($log_msg, $last_commit, @parents); |
|
$last = $log_msg; |
|
} |
|
close $svn_log->{fh}; |
|
$last->{commit} = $last_commit; |
|
return $last; |
|
} |
|
|
|
sub fetch_lib { |
|
my (@parents) = @_; |
|
$SVN_URL ||= file_to_s("$GIT_SVN_DIR/info/url"); |
|
my $repo; |
|
($repo, $SVN_PATH) = repo_path_split($SVN_URL); |
|
$SVN_LOG ||= libsvn_connect($repo); |
|
$SVN ||= libsvn_connect($repo); |
|
my ($last_rev, $last_commit) = svn_grab_base_rev(); |
|
my ($base, $head) = libsvn_parse_revision($last_rev); |
|
if ($base > $head) { |
|
return { revision => $last_rev, commit => $last_commit } |
|
} |
|
my $index = set_index($GIT_SVN_INDEX); |
|
|
|
# limit ourselves and also fork() since get_log won't release memory |
|
# after processing a revision and SVN stuff seems to leak |
|
my $inc = 1000; |
|
my ($min, $max) = ($base, $head < $base+$inc ? $head : $base+$inc); |
|
read_uuid(); |
|
if (defined $last_commit) { |
|
unless (-e $GIT_SVN_INDEX) { |
|
sys(qw/git-read-tree/, $last_commit); |
|
} |
|
chomp (my $x = `git-write-tree`); |
|
my ($y) = (`git-cat-file commit $last_commit` |
|
=~ /^tree ($sha1)/m); |
|
if ($y ne $x) { |
|
unlink $GIT_SVN_INDEX or croak $!; |
|
sys(qw/git-read-tree/, $last_commit); |
|
} |
|
chomp ($x = `git-write-tree`); |
|
if ($y ne $x) { |
|
print STDERR "trees ($last_commit) $y != $x\n", |
|
"Something is seriously wrong...\n"; |
|
} |
|
} |
|
while (1) { |
|
# fork, because using SVN::Pool with get_log() still doesn't |
|
# seem to help enough to keep memory usage down. |
|
defined(my $pid = fork) or croak $!; |
|
if (!$pid) { |
|
$SVN::Error::handler = \&libsvn_skip_unknown_revs; |
|
print "Fetching revisions $min .. $max\n"; |
|
|
|
# Yes I'm perfectly aware that the fourth argument |
|
# below is the limit revisions number. Unfortunately |
|
# performance sucks with it enabled, so it's much |
|
# faster to fetch revision ranges instead of relying |
|
# on the limiter. |
|
$SVN_LOG->get_log( '/'.$SVN_PATH, $min, $max, 0, 1, 1, |
|
sub { |
|
my $log_msg; |
|
if ($last_commit) { |
|
$log_msg = libsvn_fetch( |
|
$last_commit, @_); |
|
$last_commit = git_commit( |
|
$log_msg, |
|
$last_commit, |
|
@parents); |
|
} else { |
|
$log_msg = libsvn_new_tree(@_); |
|
$last_commit = git_commit( |
|
$log_msg, @parents); |
|
} |
|
}); |
|
$SVN::Error::handler = sub { 'quiet warnings' }; |
|
exit 0; |
|
} |
|
waitpid $pid, 0; |
|
croak $? if $?; |
|
($last_rev, $last_commit) = svn_grab_base_rev(); |
|
last if ($max >= $head); |
|
$min = $max + 1; |
|
$max += $inc; |
|
$max = $head if ($max > $head); |
|
} |
|
restore_index($index); |
|
return { revision => $last_rev, commit => $last_commit }; |
|
} |
|
|
|
sub commit { |
|
my (@commits) = @_; |
|
check_upgrade_needed(); |
|
if ($_stdin || !@commits) { |
|
print "Reading from stdin...\n"; |
|
@commits = (); |
|
while (<STDIN>) { |
|
if (/\b($sha1_short)\b/o) { |
|
unshift @commits, $1; |
|
} |
|
} |
|
} |
|
my @revs; |
|
foreach my $c (@commits) { |
|
chomp(my @tmp = safe_qx('git-rev-parse',$c)); |
|
if (scalar @tmp == 1) { |
|
push @revs, $tmp[0]; |
|
} elsif (scalar @tmp > 1) { |
|
push @revs, reverse (safe_qx('git-rev-list',@tmp)); |
|
} else { |
|
die "Failed to rev-parse $c\n"; |
|
} |
|
} |
|
chomp @revs; |
|
$_use_lib ? commit_lib(@revs) : commit_cmd(@revs); |
|
print "Done committing ",scalar @revs," revisions to SVN\n"; |
|
} |
|
|
|
sub commit_cmd { |
|
my (@revs) = @_; |
|
|
|
chdir $SVN_WC or croak "Unable to chdir $SVN_WC: $!\n"; |
|
my $info = svn_info('.'); |
|
my $fetched = fetch(); |
|
if ($info->{Revision} != $fetched->{revision}) { |
|
print STDERR "There are new revisions that were fetched ", |
|
"and need to be merged (or acknowledged) ", |
|
"before committing.\n"; |
|
exit 1; |
|
} |
|
$info = svn_info('.'); |
|
read_uuid($info); |
|
my $svn_current_rev = $info->{'Last Changed Rev'}; |
|
foreach my $c (@revs) { |
|
my $mods = svn_checkout_tree($svn_current_rev, $c); |
|
if (scalar @$mods == 0) { |
|
print "Skipping, no changes detected\n"; |
|
next; |
|
} |
|
$svn_current_rev = svn_commit_tree($svn_current_rev, $c); |
|
} |
|
} |
|
|
|
sub commit_lib { |
|
my (@revs) = @_; |
|
my ($r_last, $cmt_last) = svn_grab_base_rev(); |
|
defined $r_last or die "Must have an existing revision to commit\n"; |
|
my $fetched = fetch_lib(); |
|
if ($r_last != $fetched->{revision}) { |
|
print STDERR "There are new revisions that were fetched ", |
|
"and need to be merged (or acknowledged) ", |
|
"before committing.\n", |
|
"last rev: $r_last\n", |
|
" current: $fetched->{revision}\n"; |
|
exit 1; |
|
} |
|
read_uuid(); |
|
my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef, 0) : (); |
|
my $commit_msg = "$GIT_SVN_DIR/.svn-commit.tmp.$$"; |
|
|
|
foreach my $c (@revs) { |
|
# fork for each commit because there's a memory leak I |
|
# can't track down... (it's probably in the SVN code) |
|
defined(my $pid = open my $fh, '-|') or croak $!; |
|
if (!$pid) { |
|
if (defined $LC_ALL) { |
|
$ENV{LC_ALL} = $LC_ALL; |
|
} else { |
|
delete $ENV{LC_ALL}; |
|
} |
|
my $log_msg = get_commit_message($c, $commit_msg); |
|
my $ed = SVN::Git::Editor->new( |
|
{ r => $r_last, |
|
ra => $SVN, |
|
c => $c, |
|
svn_path => $SVN_PATH |
|
}, |
|
$SVN->get_commit_editor( |
|
$log_msg->{msg}, |
|
sub { |
|
libsvn_commit_cb( |
|
@_, $c, |
|
$log_msg->{msg}, |
|
$r_last, |
|
$cmt_last) |
|
}, |
|
@lock) |
|
); |
|
my $mods = libsvn_checkout_tree($r_last, $c, $ed); |
|
if (@$mods == 0) { |
|
print "No changes\nr$r_last = $cmt_last\n"; |
|
$ed->abort_edit; |
|
} else { |
|
$ed->close_edit; |
|
} |
|
exit 0; |
|
} |
|
my ($r_new, $cmt_new, $no); |
|
while (<$fh>) { |
|
print $_; |
|
chomp; |
|
if (/^r(\d+) = ($sha1)$/o) { |
|
($r_new, $cmt_new) = ($1, $2); |
|
} elsif ($_ eq 'No changes') { |
|
$no = 1; |
|
} |
|
} |
|
close $fh or croak $!; |
|
if (! defined $r_new && ! defined $cmt_new) { |
|
unless ($no) { |
|
die "Failed to parse revision information\n"; |
|
} |
|
} else { |
|
($r_last, $cmt_last) = ($r_new, $cmt_new); |
|
} |
|
} |
|
unlink $commit_msg; |
|
} |
|
|
|
sub show_ignore { |
|
$SVN_URL ||= file_to_s("$GIT_SVN_DIR/info/url"); |
|
$_use_lib ? show_ignore_lib() : show_ignore_cmd(); |
|
} |
|
|
|
sub show_ignore_cmd { |
|
require File::Find or die $!; |
|
if (defined $_revision) { |
|
die "-r/--revision option doesn't work unless the Perl SVN ", |
|
"libraries are used\n"; |
|
} |
|
chdir $SVN_WC or croak $!; |
|
my %ign; |
|
File::Find::find({wanted=>sub{if(lstat $_ && -d _ && -d "$_/.svn"){ |
|
s#^\./##; |
|
@{$ign{$_}} = svn_propget_base('svn:ignore', $_); |
|
}}, no_chdir=>1},'.'); |
|
|
|
print "\n# /\n"; |
|
foreach (@{$ign{'.'}}) { print '/',$_ if /\S/ } |
|
delete $ign{'.'}; |
|
foreach my $i (sort keys %ign) { |
|
print "\n# ",$i,"\n"; |
|
foreach (@{$ign{$i}}) { print '/',$i,'/',$_ if /\S/ } |
|
} |
|
} |
|
|
|
sub show_ignore_lib { |
|
my $repo; |
|
($repo, $SVN_PATH) = repo_path_split($SVN_URL); |
|
$SVN ||= libsvn_connect($repo); |
|
my $r = defined $_revision ? $_revision : $SVN->get_latest_revnum; |
|
libsvn_traverse_ignore(\*STDOUT, $SVN_PATH, $r); |
|
} |
|
|
|
sub graft_branches { |
|
my $gr_file = "$GIT_DIR/info/grafts"; |
|
my ($grafts, $comments) = read_grafts($gr_file); |
|
my $gr_sha1; |
|
|
|
if (%$grafts) { |
|
# temporarily disable our grafts file to make this idempotent |
|
chomp($gr_sha1 = safe_qx(qw/git-hash-object -w/,$gr_file)); |
|
rename $gr_file, "$gr_file~$gr_sha1" or croak $!; |
|
} |
|
|
|
my $l_map = read_url_paths(); |
|
my @re = map { qr/$_/is } @_opt_m if @_opt_m; |
|
unless ($_no_default_regex) { |
|
push @re, ( qr/\b(?:merge|merging|merged)\s+(\S.+)/is, |
|
qr/\b(?:from|of)\s+(\S.+)/is ); |
|
} |
|
foreach my $u (keys %$l_map) { |
|
if (@re) { |
|
foreach my $p (keys %{$l_map->{$u}}) { |
|
graft_merge_msg($grafts,$l_map,$u,$p); |
|
} |
|
} |
|
unless ($_no_graft_copy) { |
|
if ($_use_lib) { |
|
graft_file_copy_lib($grafts,$l_map,$u); |
|
} else { |
|
graft_file_copy_cmd($grafts,$l_map,$u); |
|
} |
|
} |
|
} |
|
|
|
write_grafts($grafts, $comments, $gr_file); |
|
unlink "$gr_file~$gr_sha1" if $gr_sha1; |
|
} |
|
|
|
sub multi_init { |
|
my $url = shift; |
|
$_trunk ||= 'trunk'; |
|
$_trunk =~ s#/+$##; |
|
$url =~ s#/+$## if $url; |
|
if ($_trunk !~ m#^[a-z\+]+://#) { |
|
$_trunk = '/' . $_trunk if ($_trunk !~ m#^/#); |
|
unless ($url) { |
|
print STDERR "E: '$_trunk' is not a complete URL ", |
|
"and a separate URL is not specified\n"; |
|
exit 1; |
|
} |
|
$_trunk = $url . $_trunk; |
|
} |
|
if ($GIT_SVN eq 'git-svn') { |
|
print "GIT_SVN_ID set to 'trunk' for $_trunk\n"; |
|
$GIT_SVN = $ENV{GIT_SVN_ID} = 'trunk'; |
|
} |
|
init_vars(); |
|
init($_trunk); |
|
complete_url_ls_init($url, $_branches, '--branches/-b', ''); |
|
complete_url_ls_init($url, $_tags, '--tags/-t', 'tags/'); |
|
} |
|
|
|
sub multi_fetch { |
|
# try to do trunk first, since branches/tags |
|
# may be descended from it. |
|
if (-d "$GIT_DIR/svn/trunk") { |
|
print "Fetching trunk\n"; |
|
defined(my $pid = fork) or croak $!; |
|
if (!$pid) { |
|
$GIT_SVN = $ENV{GIT_SVN_ID} = 'trunk'; |
|
init_vars(); |
|
fetch(@_); |
|
exit 0; |
|
} |
|
waitpid $pid, 0; |
|
croak $? if $?; |
|
} |
|
rec_fetch('', "$GIT_DIR/svn", @_); |
|
} |
|
|
|
sub show_log { |
|
my (@args) = @_; |
|
my ($r_min, $r_max); |
|
my $r_last = -1; # prevent dupes |
|
rload_authors() if $_authors; |
|
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 = $_revision; |
|
} else { |
|
print STDERR "-r$_revision is not supported, use ", |
|
"standard \'git log\' arguments instead\n"; |
|
exit 1; |
|
} |
|
} |
|
|
|
my $pid = open(my $log,'-|'); |
|
defined $pid or croak $!; |
|
if (!$pid) { |
|
my @rl = (qw/git-log --abbrev-commit --pretty=raw |
|
--default/, "remotes/$GIT_SVN"); |
|
push @rl, '--raw' if $_verbose; |
|
exec(@rl, @args) or croak $!; |
|
} |
|
setup_pager(); |
|
my (@k, $c, $d); |
|
while (<$log>) { |
|
if (/^commit ($sha1_short)/o) { |
|
my $cmt = $1; |
|
if ($c && defined $c->{r} && $c->{r} != $r_last) { |
|
$r_last = $c->{r}; |
|
process_commit($c, $r_min, $r_max, \@k) or |
|
goto out; |
|
} |
|
$d = undef; |
|
$c = { c => $cmt }; |
|
} elsif (/^author (.+) (\d+) ([\-\+]?\d+)$/) { |
|
get_author_info($c, $1, $2, $3); |
|
} elsif (/^(?:tree|parent|committer) /) { |
|
# ignore |
|
} elsif (/^:\d{6} \d{6} $sha1_short/o) { |
|
push @{$c->{raw}}, $_; |
|
} elsif (/^diff /) { |
|
$d = 1; |
|
push @{$c->{diff}}, $_; |
|
} elsif ($d) { |
|
push @{$c->{diff}}, $_; |
|
} elsif (/^ (git-svn-id:.+)$/) { |
|
my ($url, $rev, $uuid) = extract_metadata($1); |
|
$c->{r} = $rev; |
|
} elsif (s/^ //) { |
|
push @{$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 || $_oneline; |
|
} |
|
|
|
########################### utility functions ######################### |
|
|
|
sub rec_fetch { |
|
my ($pfx, $p, @args) = @_; |
|
my @dir; |
|
foreach (sort <$p/*>) { |
|
if (-r "$_/info/url") { |
|
$pfx .= '/' if $pfx && $pfx !~ m!/$!; |
|
my $id = $pfx . basename $_; |
|
next if $id eq 'trunk'; |
|
print "Fetching $id\n"; |
|
defined(my $pid = fork) or croak $!; |
|
if (!$pid) { |
|
$GIT_SVN = $ENV{GIT_SVN_ID} = $id; |
|
init_vars(); |
|
fetch(@args); |
|
exit 0; |
|
} |
|
waitpid $pid, 0; |
|
croak $? if $?; |
|
} elsif (-d $_) { |
|
push @dir, $_; |
|
} |
|
} |
|
foreach (@dir) { |
|
my $x = $_; |
|
$x =~ s!^\Q$GIT_DIR\E/svn/!!; |
|
rec_fetch($x, $_); |
|
} |
|
} |
|
|
|
sub complete_url_ls_init { |
|
my ($url, $var, $switch, $pfx) = @_; |
|
unless ($var) { |
|
print STDERR "W: $switch not specified\n"; |
|
return; |
|
} |
|
$var =~ s#/+$##; |
|
if ($var !~ m#^[a-z\+]+://#) { |
|
$var = '/' . $var if ($var !~ m#^/#); |
|
unless ($url) { |
|
print STDERR "E: '$var' is not a complete URL ", |
|
"and a separate URL is not specified\n"; |
|
exit 1; |
|
} |
|
$var = $url . $var; |
|
} |
|
chomp(my @ls = $_use_lib ? libsvn_ls_fullurl($var) |
|
: safe_qx(qw/svn ls --non-interactive/, $var)); |
|
my $old = $GIT_SVN; |
|
defined(my $pid = fork) or croak $!; |
|
if (!$pid) { |
|
foreach my $u (map { "$var/$_" } (grep m!/$!, @ls)) { |
|
$u =~ s#/+$##; |
|
if ($u !~ m!\Q$var\E/(.+)$!) { |
|
print STDERR "W: Unrecognized URL: $u\n"; |
|
die "This should never happen\n"; |
|
} |
|
my $id = $pfx.$1; |
|
print "init $u => $id\n"; |
|
$GIT_SVN = $ENV{GIT_SVN_ID} = $id; |
|
init_vars(); |
|
init($u); |
|
} |
|
exit 0; |
|
} |
|
waitpid $pid, 0; |
|
croak $? if $?; |
|
} |
|
|
|
sub common_prefix { |
|
my $paths = shift; |
|
my %common; |
|
foreach (@$paths) { |
|
my @tmp = split m#/#, $_; |
|
my $p = ''; |
|
while (my $x = shift @tmp) { |
|
$p .= "/$x"; |
|
$common{$p} ||= 0; |
|
$common{$p}++; |
|
} |
|
} |
|
foreach (sort {length $b <=> length $a} keys %common) { |
|
if ($common{$_} == @$paths) { |
|
return $_; |
|
} |
|
} |
|
return ''; |
|
} |
|
|
|
# this isn't funky-filename safe, but good enough for now... |
|
sub graft_file_copy_cmd { |
|
my ($grafts, $l_map, $u) = @_; |
|
my $paths = $l_map->{$u}; |
|
my $pfx = common_prefix([keys %$paths]); |
|
|
|
my $pid = open my $fh, '-|'; |
|
defined $pid or croak $!; |
|
unless ($pid) { |
|
my @exec = qw/svn log -v/; |
|
push @exec, "-r$_revision" if defined $_revision; |
|
exec @exec, $u.$pfx or croak $!; |
|
} |
|
my ($r, $mp) = (undef, undef); |
|
while (<$fh>) { |
|
chomp; |
|
if (/^\-{72}$/) { |
|
$mp = $r = undef; |
|
} elsif (/^r(\d+) \| /) { |
|
$r = $1 unless defined $r; |
|
} elsif (/^Changed paths:/) { |
|
$mp = 1; |
|
} elsif ($mp && m#^ [AR] /(\S.*?) \(from /(\S+?):(\d+)\)$#) { |
|
my ($p1, $p0, $r0) = ($1, $2, $3); |
|
my $c = find_graft_path_commit($paths, $p1, $r); |
|
next unless $c; |
|
find_graft_path_parents($grafts, $paths, $c, $p0, $r0); |
|
} |
|
} |
|
} |
|
|
|
sub graft_file_copy_lib { |
|
my ($grafts, $l_map, $u) = @_; |
|
my $tree_paths = $l_map->{$u}; |
|
my $pfx = common_prefix([keys %$tree_paths]); |
|
my ($repo, $path) = repo_path_split($u.$pfx); |
|
$SVN_LOG ||= libsvn_connect($repo); |
|
$SVN ||= libsvn_connect($repo); |
|
|
|
my ($base, $head) = libsvn_parse_revision(); |
|
my $inc = 1000; |
|
my ($min, $max) = ($base, $head < $base+$inc ? $head : $base+$inc); |
|
while (1) { |
|
my $pool = SVN::Pool->new; |
|
$SVN_LOG->get_log( "/$path", $min, $max, 0, 1, 1, |
|
sub { |
|
libsvn_graft_file_copies($grafts, $tree_paths, |
|
$path, @_); |
|
}, $pool); |
|
$pool->clear; |
|
last if ($max >= $head); |
|
$min = $max + 1; |
|
$max += $inc; |
|
$max = $head if ($max > $head); |
|
} |
|
} |
|
|
|
sub process_merge_msg_matches { |
|
my ($grafts, $l_map, $u, $p, $c, @matches) = @_; |
|
my (@strong, @weak); |
|
foreach (@matches) { |
|
# merging with ourselves is not interesting |
|
next if $_ eq $p; |
|
if ($l_map->{$u}->{$_}) { |
|
push @strong, $_; |
|
} else { |
|
push @weak, $_; |
|
} |
|
} |
|
foreach my $w (@weak) { |
|
last if @strong; |
|
# no exact match, use branch name as regexp. |
|
my $re = qr/\Q$w\E/i; |
|
foreach (keys %{$l_map->{$u}}) { |
|
if (/$re/) { |
|
push @strong, $_; |
|
last; |
|
} |
|
} |
|
last if @strong; |
|
$w = basename($w); |
|
$re = qr/\Q$w\E/i; |
|
foreach (keys %{$l_map->{$u}}) { |
|
if (/$re/) { |
|
push @strong, $_; |
|
last; |
|
} |
|
} |
|
} |
|
my ($rev) = ($c->{m} =~ /^git-svn-id:\s(?:\S+?)\@(\d+) |
|
\s(?:[a-f\d\-]+)$/xsm); |
|
unless (defined $rev) { |
|
($rev) = ($c->{m} =~/^git-svn-id:\s(\d+) |
|
\@(?:[a-f\d\-]+)/xsm); |
|
return unless defined $rev; |
|
} |
|
foreach my $m (@strong) { |
|
my ($r0, $s0) = find_rev_before($rev, $m); |
|
$grafts->{$c->{c}}->{$s0} = 1 if defined $s0; |
|
} |
|
} |
|
|
|
sub graft_merge_msg { |
|
my ($grafts, $l_map, $u, $p, @re) = @_; |
|
|
|
my $x = $l_map->{$u}->{$p}; |
|
my $rl = rev_list_raw($x); |
|
while (my $c = next_rev_list_entry($rl)) { |
|
foreach my $re (@re) { |
|
my (@br) = ($c->{m} =~ /$re/g); |
|
next unless @br; |
|
process_merge_msg_matches($grafts,$l_map,$u,$p,$c,@br); |
|
} |
|
} |
|
} |
|
|
|
sub read_uuid { |
|
return if $SVN_UUID; |
|
if ($_use_lib) { |
|
my $pool = SVN::Pool->new; |
|
$SVN_UUID = $SVN->get_uuid($pool); |
|
$pool->clear; |
|
} else { |
|
my $info = shift || svn_info('.'); |
|
$SVN_UUID = $info->{'Repository UUID'} or |
|
croak "Repository UUID unreadable\n"; |
|
} |
|
s_to_file($SVN_UUID,"$GIT_SVN_DIR/info/uuid"); |
|
} |
|
|
|
sub quiet_run { |
|
my $pid = fork; |
|
defined $pid or croak $!; |
|
if (!$pid) { |
|
open my $null, '>', '/dev/null' or croak $!; |
|
open STDERR, '>&', $null or croak $!; |
|
open STDOUT, '>&', $null or croak $!; |
|
exec @_ or croak $!; |
|
} |
|
waitpid $pid, 0; |
|
return $?; |
|
} |
|
|
|
sub repo_path_split { |
|
my $full_url = shift; |
|
$full_url =~ s#/+$##; |
|
|
|
foreach (@repo_path_split_cache) { |
|
if ($full_url =~ s#$_##) { |
|
my $u = $1; |
|
$full_url =~ s#^/+##; |
|
return ($u, $full_url); |
|
} |
|
} |
|
|
|
my ($url, $path) = ($full_url =~ m!^([a-z\+]+://[^/]*)(.*)$!i); |
|
$path =~ s#^/+##; |
|
my @paths = split(m#/+#, $path); |
|
|
|
if ($_use_lib) { |
|
while (1) { |
|
$SVN = libsvn_connect($url); |
|
last if (defined $SVN && |
|
defined eval { $SVN->get_latest_revnum }); |
|
my $n = shift @paths || last; |
|
$url .= "/$n"; |
|
} |
|
} else { |
|
while (quiet_run(qw/svn ls --non-interactive/, $url)) { |
|
my $n = shift @paths || last; |
|
$url .= "/$n"; |
|
} |
|
} |
|
push @repo_path_split_cache, qr/^(\Q$url\E)/; |
|
$path = join('/',@paths); |
|
return ($url, $path); |
|
} |
|
|
|
sub setup_git_svn { |
|
defined $SVN_URL or croak "SVN repository location required\n"; |
|
unless (-d $GIT_DIR) { |
|
croak "GIT_DIR=$GIT_DIR does not exist!\n"; |
|
} |
|
mkpath([$GIT_SVN_DIR]); |
|
mkpath(["$GIT_SVN_DIR/info"]); |
|
mkpath([$REV_DIR]); |
|
s_to_file($SVN_URL,"$GIT_SVN_DIR/info/url"); |
|
|
|
open my $fd, '>>', "$GIT_SVN_DIR/info/exclude" or croak $!; |
|
print $fd '.svn',"\n"; |
|
close $fd or croak $!; |
|
my ($url, $path) = repo_path_split($SVN_URL); |
|
s_to_file($url, "$GIT_SVN_DIR/info/repo_url"); |
|
s_to_file($path, "$GIT_SVN_DIR/info/repo_path"); |
|
} |
|
|
|
sub assert_svn_wc_clean { |
|
return if $_use_lib; |
|
my ($svn_rev) = @_; |
|
croak "$svn_rev is not an integer!\n" unless ($svn_rev =~ /^\d+$/); |
|
my $lcr = svn_info('.')->{'Last Changed Rev'}; |
|
if ($svn_rev != $lcr) { |
|
print STDERR "Checking for copy-tree ... "; |
|
my @diff = grep(/^Index: /,(safe_qx(qw(svn diff), |
|
"-r$lcr:$svn_rev"))); |
|
if (@diff) { |
|
croak "Nope! Expected r$svn_rev, got r$lcr\n"; |
|
} else { |
|
print STDERR "OK!\n"; |
|
} |
|
} |
|
my @status = grep(!/^Performing status on external/,(`svn status`)); |
|
@status = grep(!/^\s*$/,@status); |
|
if (scalar @status) { |
|
print STDERR "Tree ($SVN_WC) is not clean:\n"; |
|
print STDERR $_ foreach @status; |
|
croak; |
|
} |
|
} |
|
|
|
sub get_tree_from_treeish { |
|
my ($treeish) = @_; |
|
croak "Not a sha1: $treeish\n" unless $treeish =~ /^$sha1$/o; |
|
chomp(my $type = `git-cat-file -t $treeish`); |
|
my $expected; |
|
while ($type eq 'tag') { |
|
chomp(($treeish, $type) = `git-cat-file tag $treeish`); |
|
} |
|
if ($type eq 'commit') { |
|
$expected = (grep /^tree /,`git-cat-file commit $treeish`)[0]; |
|
($expected) = ($expected =~ /^tree ($sha1)$/); |
|
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 assert_tree { |
|
return if $_use_lib; |
|
my ($treeish) = @_; |
|
my $expected = get_tree_from_treeish($treeish); |
|
|
|
my $tmpindex = $GIT_SVN_INDEX.'.assert-tmp'; |
|
if (-e $tmpindex) { |
|
unlink $tmpindex or croak $!; |
|
} |
|
my $old_index = set_index($tmpindex); |
|
index_changes(1); |
|
chomp(my $tree = `git-write-tree`); |
|
restore_index($old_index); |
|
if ($tree ne $expected) { |
|
croak "Tree mismatch, Got: $tree, Expected: $expected\n"; |
|
} |
|
unlink $tmpindex; |
|
} |
|
|
|
sub parse_diff_tree { |
|
my $diff_fh = shift; |
|
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"; |
|
} |
|
} |
|
close $diff_fh or croak $!; |
|
|
|
return \@mods; |
|
} |
|
|
|
sub svn_check_prop_executable { |
|
my $m = shift; |
|
return if -l $m->{file_b}; |
|
if ($m->{mode_b} =~ /755$/) { |
|
chmod((0755 &~ umask),$m->{file_b}) or croak $!; |
|
if ($m->{mode_a} !~ /755$/) { |
|
sys(qw(svn propset svn:executable 1), $m->{file_b}); |
|
} |
|
-x $m->{file_b} or croak "$m->{file_b} is not executable!\n"; |
|
} elsif ($m->{mode_b} !~ /755$/ && $m->{mode_a} =~ /755$/) { |
|
sys(qw(svn propdel svn:executable), $m->{file_b}); |
|
chmod((0644 &~ umask),$m->{file_b}) or croak $!; |
|
-x $m->{file_b} and croak "$m->{file_b} is executable!\n"; |
|
} |
|
} |
|
|
|
sub svn_ensure_parent_path { |
|
my $dir_b = dirname(shift); |
|
svn_ensure_parent_path($dir_b) if ($dir_b ne File::Spec->curdir); |
|
mkpath([$dir_b]) unless (-d $dir_b); |
|
sys(qw(svn add -N), $dir_b) unless (-d "$dir_b/.svn"); |
|
} |
|
|
|
sub precommit_check { |
|
my $mods = shift; |
|
my (%rm_file, %rmdir_check, %added_check); |
|
|
|
my %o = ( D => 0, R => 1, C => 2, A => 3, M => 3, T => 3 ); |
|
foreach my $m (sort { $o{$a->{chg}} <=> $o{$b->{chg}} } @$mods) { |
|
if ($m->{chg} eq 'R') { |
|
if (-d $m->{file_b}) { |
|
err_dir_to_file("$m->{file_a} => $m->{file_b}"); |
|
} |
|
# dir/$file => dir/file/$file |
|
my $dirname = dirname($m->{file_b}); |
|
while ($dirname ne File::Spec->curdir) { |
|
if ($dirname ne $m->{file_a}) { |
|
$dirname = dirname($dirname); |
|
next; |
|
} |
|
err_file_to_dir("$m->{file_a} => $m->{file_b}"); |
|
} |
|
# baz/zzz => baz (baz is a file) |
|
$dirname = dirname($m->{file_a}); |
|
while ($dirname ne File::Spec->curdir) { |
|
if ($dirname ne $m->{file_b}) { |
|
$dirname = dirname($dirname); |
|
next; |
|
} |
|
err_dir_to_file("$m->{file_a} => $m->{file_b}"); |
|
} |
|
} |
|
if ($m->{chg} =~ /^(D|R)$/) { |
|
my $t = $1 eq 'D' ? 'file_b' : 'file_a'; |
|
$rm_file{ $m->{$t} } = 1; |
|
my $dirname = dirname( $m->{$t} ); |
|
my $basename = basename( $m->{$t} ); |
|
$rmdir_check{$dirname}->{$basename} = 1; |
|
} elsif ($m->{chg} =~ /^(?:A|C)$/) { |
|
if (-d $m->{file_b}) { |
|
err_dir_to_file($m->{file_b}); |
|
} |
|
my $dirname = dirname( $m->{file_b} ); |
|
my $basename = basename( $m->{file_b} ); |
|
$added_check{$dirname}->{$basename} = 1; |
|
while ($dirname ne File::Spec->curdir) { |
|
if ($rm_file{$dirname}) { |
|
err_file_to_dir($m->{file_b}); |
|
} |
|
$dirname = dirname $dirname; |
|
} |
|
} |
|
} |
|
return (\%rmdir_check, \%added_check); |
|
|
|
sub err_dir_to_file { |
|
my $file = shift; |
|
print STDERR "Node change from directory to file ", |
|
"is not supported by Subversion: ",$file,"\n"; |
|
exit 1; |
|
} |
|
sub err_file_to_dir { |
|
my $file = shift; |
|
print STDERR "Node change from file to directory ", |
|
"is not supported by Subversion: ",$file,"\n"; |
|
exit 1; |
|
} |
|
} |
|
|
|
|
|
sub get_diff { |
|
my ($svn_rev, $treeish) = @_; |
|
my $from = file_to_s("$REV_DIR/$svn_rev"); |
|
assert_tree($from); |
|
print "diff-tree $from $treeish\n"; |
|
my $pid = open my $diff_fh, '-|'; |
|
defined $pid or croak $!; |
|
if ($pid == 0) { |
|
my @diff_tree = qw(git-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 $_find_copies_harder; |
|
push @diff_tree, "-l$_l" if defined $_l; |
|
exec(@diff_tree, $from, $treeish) or croak $!; |
|
} |
|
return parse_diff_tree($diff_fh); |
|
} |
|
|
|
sub svn_checkout_tree { |
|
my ($svn_rev, $treeish) = @_; |
|
my $mods = get_diff($svn_rev, $treeish); |
|
return $mods unless (scalar @$mods); |
|
my ($rm, $add) = precommit_check($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}} } @$mods) { |
|
if ($m->{chg} eq 'C') { |
|
svn_ensure_parent_path( $m->{file_b} ); |
|
sys(qw(svn cp), $m->{file_a}, $m->{file_b}); |
|
apply_mod_line_blob($m); |
|
svn_check_prop_executable($m); |
|
} elsif ($m->{chg} eq 'D') { |
|
sys(qw(svn rm --force), $m->{file_b}); |
|
} elsif ($m->{chg} eq 'R') { |
|
svn_ensure_parent_path( $m->{file_b} ); |
|
sys(qw(svn mv --force), $m->{file_a}, $m->{file_b}); |
|
apply_mod_line_blob($m); |
|
svn_check_prop_executable($m); |
|
} elsif ($m->{chg} eq 'M') { |
|
apply_mod_line_blob($m); |
|
svn_check_prop_executable($m); |
|
} elsif ($m->{chg} eq 'T') { |
|
sys(qw(svn rm --force),$m->{file_b}); |
|
apply_mod_line_blob($m); |
|
sys(qw(svn add --force), $m->{file_b}); |
|
svn_check_prop_executable($m); |
|
} elsif ($m->{chg} eq 'A') { |
|
svn_ensure_parent_path( $m->{file_b} ); |
|
apply_mod_line_blob($m); |
|
sys(qw(svn add --force), $m->{file_b}); |
|
svn_check_prop_executable($m); |
|
} else { |
|
croak "Invalid chg: $m->{chg}\n"; |
|
} |
|
} |
|
|
|
assert_tree($treeish); |
|
if ($_rmdir) { # remove empty directories |
|
handle_rmdir($rm, $add); |
|
} |
|
assert_tree($treeish); |
|
return $mods; |
|
} |
|
|
|
sub libsvn_checkout_tree { |
|
my ($svn_rev, $treeish, $ed) = @_; |
|
my $mods = get_diff($svn_rev, $treeish); |
|
return $mods unless (scalar @$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}) { |
|
$ed->$f($m); |
|
} else { |
|
croak "Invalid change type: $f\n"; |
|
} |
|
} |
|
$ed->rmdirs if $_rmdir; |
|
return $mods; |
|
} |
|
|
|
# svn ls doesn't work with respect to the current working tree, but what's |
|
# in the repository. There's not even an option for it... *sigh* |
|
# (added files don't show up and removed files remain in the ls listing) |
|
sub svn_ls_current { |
|
my ($dir, $rm, $add) = @_; |
|
chomp(my @ls = safe_qx('svn','ls',$dir)); |
|
my @ret = (); |
|
foreach (@ls) { |
|
s#/$##; # trailing slashes are evil |
|
push @ret, $_ unless $rm->{$dir}->{$_}; |
|
} |
|
if (exists $add->{$dir}) { |
|
push @ret, keys %{$add->{$dir}}; |
|
} |
|
return \@ret; |
|
} |
|
|
|
sub handle_rmdir { |
|
my ($rm, $add) = @_; |
|
|
|
foreach my $dir (sort {length $b <=> length $a} keys %$rm) { |
|
my $ls = svn_ls_current($dir, $rm, $add); |
|
next if (scalar @$ls); |
|
sys(qw(svn rm --force),$dir); |
|
|
|
my $dn = dirname $dir; |
|
$rm->{ $dn }->{ basename $dir } = 1; |
|
$ls = svn_ls_current($dn, $rm, $add); |
|
while (scalar @$ls == 0 && $dn ne File::Spec->curdir) { |
|
sys(qw(svn rm --force),$dn); |
|
$dir = basename $dn; |
|
$dn = dirname $dn; |
|
$rm->{ $dn }->{ $dir } = 1; |
|
$ls = svn_ls_current($dn, $rm, $add); |
|
} |
|
} |
|
} |
|
|
|
sub get_commit_message { |
|
my ($commit, $commit_msg) = (@_); |
|
my %log_msg = ( msg => '' ); |
|
open my $msg, '>', $commit_msg or croak $!; |
|
|
|
print "commit: $commit\n"; |
|
chomp(my $type = `git-cat-file -t $commit`); |
|
if ($type eq 'commit') { |
|
my $pid = open my $msg_fh, '-|'; |
|
defined $pid or croak $!; |
|
|
|
if ($pid == 0) { |
|
exec(qw(git-cat-file commit), $commit) or croak $!; |
|
} |
|
my $in_msg = 0; |
|
while (<$msg_fh>) { |
|
if (!$in_msg) { |
|
$in_msg = 1 if (/^\s*$/); |
|
} elsif (/^git-svn-id: /) { |
|
# skip this, we regenerate the correct one |
|
# on re-fetch anyways |
|
} else { |
|
print $msg $_ or croak $!; |
|
} |
|
} |
|
close $msg_fh or croak $!; |
|
} |
|
close $msg or croak $!; |
|
|
|
if ($_edit || ($type eq 'tree')) { |
|
my $editor = $ENV{VISUAL} || $ENV{EDITOR} || 'vi'; |
|
system($editor, $commit_msg); |
|
} |
|
|
|
# file_to_s removes all trailing newlines, so just use chomp() here: |
|
open $msg, '<', $commit_msg or croak $!; |
|
{ local $/; chomp($log_msg{msg} = <$msg>); } |
|
close $msg or croak $!; |
|
|
|
return \%log_msg; |
|
} |
|
|
|
sub svn_commit_tree { |
|
my ($svn_rev, $commit) = @_; |
|
my $commit_msg = "$GIT_SVN_DIR/.svn-commit.tmp.$$"; |
|
my $log_msg = get_commit_message($commit, $commit_msg); |
|
my ($oneline) = ($log_msg->{msg} =~ /([^\n\r]+)/); |
|
print "Committing $commit: $oneline\n"; |
|
|
|
if (defined $LC_ALL) { |
|
$ENV{LC_ALL} = $LC_ALL; |
|
} else { |
|
delete $ENV{LC_ALL}; |
|
} |
|
my @ci_output = safe_qx(qw(svn commit -F),$commit_msg); |
|
$ENV{LC_ALL} = 'C'; |
|
unlink $commit_msg; |
|
my ($committed) = ($ci_output[$#ci_output] =~ /(\d+)/); |
|
if (!defined $committed) { |
|
my $out = join("\n",@ci_output); |
|
print STDERR "W: Trouble parsing \`svn commit' output:\n\n", |
|
$out, "\n\nAssuming English locale..."; |
|
($committed) = ($out =~ /^Committed revision \d+\./sm); |
|
defined $committed or die " FAILED!\n", |
|
"Commit output failed to parse committed revision!\n", |
|
print STDERR " OK\n"; |
|
} |
|
|
|
my @svn_up = qw(svn up); |
|
push @svn_up, '--ignore-externals' unless $_no_ignore_ext; |
|
if ($committed == ($svn_rev + 1)) { |
|
push @svn_up, "-r$committed"; |
|
sys(@svn_up); |
|
my $info = svn_info('.'); |
|
my $date = $info->{'Last Changed Date'} or die "Missing date\n"; |
|
if ($info->{'Last Changed Rev'} != $committed) { |
|
croak "$info->{'Last Changed Rev'} != $committed\n" |
|
} |
|
my ($Y,$m,$d,$H,$M,$S,$tz) = ($date =~ |
|
/(\d{4})\-(\d\d)\-(\d\d)\s |
|
(\d\d)\:(\d\d)\:(\d\d)\s([\-\+]\d+)/x) |
|
or croak "Failed to parse date: $date\n"; |
|
$log_msg->{date} = "$tz $Y-$m-$d $H:$M:$S"; |
|
$log_msg->{author} = $info->{'Last Changed Author'}; |
|
$log_msg->{revision} = $committed; |
|
$log_msg->{msg} .= "\n"; |
|
my $parent = file_to_s("$REV_DIR/$svn_rev"); |
|
git_commit($log_msg, $parent, $commit); |
|
return $committed; |
|
} |
|
# resync immediately |
|
push @svn_up, "-r$svn_rev"; |
|
sys(@svn_up); |
|
return fetch("$committed=$commit")->{revision}; |
|
} |
|
|
|
sub rev_list_raw { |
|
my (@args) = @_; |
|
my $pid = open my $fh, '-|'; |
|
defined $pid or croak $!; |
|
if (!$pid) { |
|
exec(qw/git-rev-list --pretty=raw/, @args) or croak $!; |
|
} |
|
return { fh => $fh, t => { } }; |
|
} |
|
|
|
sub next_rev_list_entry { |
|
my $rl = shift; |
|
my $fh = $rl->{fh}; |
|
my $x = $rl->{t}; |
|
while (<$fh>) { |
|
if (/^commit ($sha1)$/o) { |
|
if ($x->{c}) { |
|
$rl->{t} = { c => $1 }; |
|
return $x; |
|
} else { |
|
$x->{c} = $1; |
|
} |
|
} elsif (/^parent ($sha1)$/o) { |
|
$x->{p}->{$1} = 1; |
|
} elsif (s/^ //) { |
|
$x->{m} ||= ''; |
|
$x->{m} .= $_; |
|
} |
|
} |
|
return ($x != $rl->{t}) ? $x : undef; |
|
} |
|
|
|
# read the entire log into a temporary file (which is removed ASAP) |
|
# and store the file handle + parser state |
|
sub svn_log_raw { |
|
my (@log_args) = @_; |
|
my $log_fh = IO::File->new_tmpfile or croak $!; |
|
my $pid = fork; |
|
defined $pid or croak $!; |
|
if (!$pid) { |
|
open STDOUT, '>&', $log_fh or croak $!; |
|
exec (qw(svn log), @log_args) or croak $! |
|
} |
|
waitpid $pid, 0; |
|
croak $? if $?; |
|
seek $log_fh, 0, 0 or croak $!; |
|
return { state => 'sep', fh => $log_fh }; |
|
} |
|
|
|
sub next_log_entry { |
|
my $log = shift; # retval of svn_log_raw() |
|
my $ret = undef; |
|
my $fh = $log->{fh}; |
|
|
|
while (<$fh>) { |
|
chomp; |
|
if (/^\-{72}$/) { |
|
if ($log->{state} eq 'msg') { |
|
if ($ret->{lines}) { |
|
$ret->{msg} .= $_."\n"; |
|
unless(--$ret->{lines}) { |
|
$log->{state} = 'sep'; |
|
} |
|
} else { |
|
croak "Log parse error at: $_\n", |
|
$ret->{revision}, |
|
"\n"; |
|
} |
|
next; |
|
} |
|
if ($log->{state} ne 'sep') { |
|
croak "Log parse error at: $_\n", |
|
"state: $log->{state}\n", |
|
$ret->{revision}, |
|
"\n"; |
|
} |
|
$log->{state} = 'rev'; |
|
|
|
# if we have an empty log message, put something there: |
|
if ($ret) { |
|
$ret->{msg} ||= "\n"; |
|
delete $ret->{lines}; |
|
return $ret; |
|
} |
|
next; |
|
} |
|
if ($log->{state} eq 'rev' && s/^r(\d+)\s*\|\s*//) { |
|
my $rev = $1; |
|
my ($author, $date, $lines) = split(/\s*\|\s*/, $_, 3); |
|
($lines) = ($lines =~ /(\d+)/); |
|
my ($Y,$m,$d,$H,$M,$S,$tz) = ($date =~ |
|
/(\d{4})\-(\d\d)\-(\d\d)\s |
|
(\d\d)\:(\d\d)\:(\d\d)\s([\-\+]\d+)/x) |
|
or croak "Failed to parse date: $date\n"; |
|
$ret = { revision => $rev, |
|
date => "$tz $Y-$m-$d $H:$M:$S", |
|
author => $author, |
|
lines => $lines, |
|
msg => '' }; |
|
if (defined $_authors && ! defined $users{$author}) { |
|
die "Author: $author not defined in ", |
|
"$_authors file\n"; |
|
} |
|
$log->{state} = 'msg_start'; |
|
next; |
|
} |
|
# skip the first blank line of the message: |
|
if ($log->{state} eq 'msg_start' && /^$/) { |
|
$log->{state} = 'msg'; |
|
} elsif ($log->{state} eq 'msg') { |
|
if ($ret->{lines}) { |
|
$ret->{msg} .= $_."\n"; |
|
unless (--$ret->{lines}) { |
|
$log->{state} = 'sep'; |
|
} |
|
} else { |
|
croak "Log parse error at: $_\n", |
|
$ret->{revision},"\n"; |
|
} |
|
} |
|
} |
|
return $ret; |
|
} |
|
|
|
sub svn_info { |
|
my $url = shift || $SVN_URL; |
|
|
|
my $pid = open my $info_fh, '-|'; |
|
defined $pid or croak $!; |
|
|
|
if ($pid == 0) { |
|
exec(qw(svn info),$url) or croak $!; |
|
} |
|
|
|
my $ret = {}; |
|
# only single-lines seem to exist in svn info output |
|
while (<$info_fh>) { |
|
chomp $_; |
|
if (m#^([^:]+)\s*:\s*(\S.*)$#) { |
|
$ret->{$1} = $2; |
|
push @{$ret->{-order}}, $1; |
|
} |
|
} |
|
close $info_fh or croak $!; |
|
return $ret; |
|
} |
|
|
|
sub sys { system(@_) == 0 or croak $? } |
|
|
|
sub eol_cp { |
|
my ($from, $to) = @_; |
|
my $es = svn_propget_base('svn:eol-style', $to); |
|
open my $rfd, '<', $from or croak $!; |
|
binmode $rfd or croak $!; |
|
open my $wfd, '>', $to or croak $!; |
|
binmode $wfd or croak $!; |
|
eol_cp_fd($rfd, $wfd, $es); |
|
close $rfd or croak $!; |
|
close $wfd or croak $!; |
|
} |
|
|
|
sub eol_cp_fd { |
|
my ($rfd, $wfd, $es) = @_; |
|
my $eol = defined $es ? $EOL{$es} : undef; |
|
my $buf; |
|
use bytes; |
|
while (1) { |
|
my ($r, $w, $t); |
|
defined($r = sysread($rfd, $buf, 4096)) or croak $!; |
|
return unless $r; |
|
if ($eol) { |
|
if ($buf =~ /\015$/) { |
|
my $c; |
|
defined($r = sysread($rfd,$c,1)) or croak $!; |
|
$buf .= $c if $r > 0; |
|
} |
|
$buf =~ s/(?:\015\012|\015|\012)/$eol/gs; |
|
$r = length($buf); |
|
} |
|
for ($w = 0; $w < $r; $w += $t) { |
|
$t = syswrite($wfd, $buf, $r - $w, $w) or croak $!; |
|
} |
|
} |
|
no bytes; |
|
} |
|
|
|
sub do_update_index { |
|
my ($z_cmd, $cmd, $no_text_base) = @_; |
|
|
|
my $z = open my $p, '-|'; |
|
defined $z or croak $!; |
|
unless ($z) { exec @$z_cmd or croak $! } |
|
|
|
my $pid = open my $ui, '|-'; |
|
defined $pid or croak $!; |
|
unless ($pid) { |
|
exec('git-update-index',"--$cmd",'-z','--stdin') or croak $!; |
|
} |
|
local $/ = "\0"; |
|
while (my $x = <$p>) { |
|
chomp $x; |
|
if (!$no_text_base && lstat $x && ! -l _ && |
|
svn_propget_base('svn:keywords', $x)) { |
|
my $mode = -x _ ? 0755 : 0644; |
|
my ($v,$d,$f) = File::Spec->splitpath($x); |
|
my $tb = File::Spec->catfile($d, '.svn', 'tmp', |
|
'text-base',"$f.svn-base"); |
|
$tb =~ s#^/##; |
|
unless (-f $tb) { |
|
$tb = File::Spec->catfile($d, '.svn', |
|
'text-base',"$f.svn-base"); |
|
$tb =~ s#^/##; |
|
} |
|
unlink $x or croak $!; |
|
eol_cp($tb, $x); |
|
chmod(($mode &~ umask), $x) or croak $!; |
|
} |
|
print $ui $x,"\0"; |
|
} |
|
close $ui or croak $!; |
|
} |
|
|
|
sub index_changes { |
|
return if $_use_lib; |
|
my $no_text_base = shift; |
|
do_update_index([qw/git-diff-files --name-only -z/], |
|
'remove', |
|
$no_text_base); |
|
do_update_index([qw/git-ls-files -z --others/, |
|
"--exclude-from=$GIT_SVN_DIR/info/exclude"], |
|
'add', |
|
$no_text_base); |
|
} |
|
|
|
sub s_to_file { |
|
my ($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; |
|
} |
|
|
|
sub assert_revision_unknown { |
|
my $revno = shift; |
|
if (-f "$REV_DIR/$revno") { |
|
croak "$REV_DIR/$revno already exists! ", |
|
"Why are we refetching it?"; |
|
} |
|
} |
|
|
|
sub trees_eq { |
|
my ($x, $y) = @_; |
|
my @x = safe_qx('git-cat-file','commit',$x); |
|
my @y = safe_qx('git-cat-file','commit',$y); |
|
if (($y[0] ne $x[0]) || $x[0] !~ /^tree $sha1\n$/ |
|
|| $y[0] !~ /^tree $sha1\n$/) { |
|
print STDERR "Trees not equal: $y[0] != $x[0]\n"; |
|
return 0 |
|
} |
|
return 1; |
|
} |
|
|
|
sub assert_revision_eq_or_unknown { |
|
my ($revno, $commit) = @_; |
|
if (-f "$REV_DIR/$revno") { |
|
my $current = file_to_s("$REV_DIR/$revno"); |
|
if (($commit ne $current) && !trees_eq($commit, $current)) { |
|
croak "$REV_DIR/$revno already exists!\n", |
|
"current: $current\nexpected: $commit\n"; |
|
} |
|
return; |
|
} |
|
} |
|
|
|
sub git_commit { |
|
my ($log_msg, @parents) = @_; |
|
assert_revision_unknown($log_msg->{revision}); |
|
map_tree_joins() if (@_branch_from && !%tree_map); |
|
|
|
my (@tmp_parents, @exec_parents, %seen_parent); |
|
if (my $lparents = $log_msg->{parents}) { |
|
@tmp_parents = @$lparents |
|
} |
|
# commit parents can be conditionally bound to a particular |
|
# svn revision via: "svn_revno=commit_sha1", filter them out here: |
|
foreach my $p (@parents) { |
|
next unless defined $p; |
|
if ($p =~ /^(\d+)=($sha1_short)$/o) { |
|
if ($1 == $log_msg->{revision}) { |
|
push @tmp_parents, $2; |
|
} |
|
} else { |
|
push @tmp_parents, $p if $p =~ /$sha1_short/o; |
|
} |
|
} |
|
my $tree = $log_msg->{tree}; |
|
if (!defined $tree) { |
|
my $index = set_index($GIT_SVN_INDEX); |
|
index_changes(); |
|
chomp($tree = `git-write-tree`); |
|
croak $? if $?; |
|
restore_index($index); |
|
} |
|
if (exists $tree_map{$tree}) { |
|
push @tmp_parents, @{$tree_map{$tree}}; |
|
} |
|
foreach (@tmp_parents) { |
|
next if $seen_parent{$_}; |
|
$seen_parent{$_} = 1; |
|
push @exec_parents, $_; |
|
# MAXPARENT is defined to 16 in commit-tree.c: |
|
last if @exec_parents > 16; |
|
} |
|
|
|
defined(my $pid = open my $out_fh, '-|') or croak $!; |
|
if ($pid == 0) { |
|
my $msg_fh = IO::File->new_tmpfile or croak $!; |
|
print $msg_fh $log_msg->{msg}, "\ngit-svn-id: ", |
|
"$SVN_URL\@$log_msg->{revision}", |
|
" $SVN_UUID\n" or croak $!; |
|
$msg_fh->flush == 0 or croak $!; |
|
seek $msg_fh, 0, 0 or croak $!; |
|
set_commit_env($log_msg); |
|
my @exec = ('git-commit-tree',$tree); |
|
push @exec, '-p', $_ foreach @exec_parents; |
|
open STDIN, '<&', $msg_fh or croak $!; |
|
exec @exec or croak $!; |
|
} |
|
chomp(my $commit = do { local $/; <$out_fh> }); |
|
close $out_fh or croak $?; |
|
if ($commit !~ /^$sha1$/o) { |
|
croak "Failed to commit, invalid sha1: $commit\n"; |
|
} |
|
my @update_ref = ('git-update-ref',"refs/remotes/$GIT_SVN",$commit); |
|
if (my $primary_parent = shift @exec_parents) { |
|
$pid = fork; |
|
defined $pid or croak $!; |
|
if (!$pid) { |
|
close STDERR; |
|
close STDOUT; |
|
exec 'git-rev-parse','--verify', |
|
"refs/remotes/$GIT_SVN^0" or croak $!; |
|
} |
|
waitpid $pid, 0; |
|
push @update_ref, $primary_parent unless $?; |
|
} |
|
sys(@update_ref); |
|
sys('git-update-ref',"svn/$GIT_SVN/revs/$log_msg->{revision}",$commit); |
|
# this output is read via pipe, do not change: |
|
print "r$log_msg->{revision} = $commit\n"; |
|
if ($_repack && (--$_repack_nr == 0)) { |
|
$_repack_nr = $_repack; |
|
sys("git repack $_repack_flags"); |
|
} |
|
return $commit; |
|
} |
|
|
|
sub set_commit_env { |
|
my ($log_msg) = @_; |
|
my $author = $log_msg->{author}; |
|
if (!defined $author || length $author == 0) { |
|
$author = '(no author)'; |
|
} |
|
my ($name,$email) = defined $users{$author} ? @{$users{$author}} |
|
: ($author,"$author\@$SVN_UUID"); |
|
$ENV{GIT_AUTHOR_NAME} = $ENV{GIT_COMMITTER_NAME} = $name; |
|
$ENV{GIT_AUTHOR_EMAIL} = $ENV{GIT_COMMITTER_EMAIL} = $email; |
|
$ENV{GIT_AUTHOR_DATE} = $ENV{GIT_COMMITTER_DATE} = $log_msg->{date}; |
|
} |
|
|
|
sub apply_mod_line_blob { |
|
my $m = shift; |
|
if ($m->{mode_b} =~ /^120/) { |
|
blob_to_symlink($m->{sha1_b}, $m->{file_b}); |
|
} else { |
|
blob_to_file($m->{sha1_b}, $m->{file_b}); |
|
} |
|
} |
|
|
|
sub blob_to_symlink { |
|
my ($blob, $link) = @_; |
|
defined $link or croak "\$link not defined!\n"; |
|
croak "Not a sha1: $blob\n" unless $blob =~ /^$sha1$/o; |
|
if (-l $link || -f _) { |
|
unlink $link or croak $!; |
|
} |
|
|
|
my $dest = `git-cat-file blob $blob`; # no newline, so no chomp |
|
symlink $dest, $link or croak $!; |
|
} |
|
|
|
sub blob_to_file { |
|
my ($blob, $file) = @_; |
|
defined $file or croak "\$file not defined!\n"; |
|
croak "Not a sha1: $blob\n" unless $blob =~ /^$sha1$/o; |
|
if (-l $file || -f _) { |
|
unlink $file or croak $!; |
|
} |
|
|
|
open my $blob_fh, '>', $file or croak "$!: $file\n"; |
|
my $pid = fork; |
|
defined $pid or croak $!; |
|
|
|
if ($pid == 0) { |
|
open STDOUT, '>&', $blob_fh or croak $!; |
|
exec('git-cat-file','blob',$blob) or croak $!; |
|
} |
|
waitpid $pid, 0; |
|
croak $? if $?; |
|
|
|
close $blob_fh or croak $!; |
|
} |
|
|
|
sub safe_qx { |
|
my $pid = open my $child, '-|'; |
|
defined $pid or croak $!; |
|
if ($pid == 0) { |
|
exec(@_) or croak $!; |
|
} |
|
my @ret = (<$child>); |
|
close $child or croak $?; |
|
die $? if $?; # just in case close didn't error out |
|
return wantarray ? @ret : join('',@ret); |
|
} |
|
|
|
sub svn_compat_check { |
|
my @co_help = safe_qx(qw(svn co -h)); |
|
unless (grep /ignore-externals/,@co_help) { |
|
print STDERR "W: Installed svn version does not support ", |
|
"--ignore-externals\n"; |
|
$_no_ignore_ext = 1; |
|
} |
|
if (grep /usage: checkout URL\[\@REV\]/,@co_help) { |
|
$_svn_co_url_revs = 1; |
|
} |
|
if (grep /\[TARGET\[\@REV\]\.\.\.\]/, `svn propget -h`) { |
|
$_svn_pg_peg_revs = 1; |
|
} |
|
|
|
# I really, really hope nobody hits this... |
|
unless (grep /stop-on-copy/, (safe_qx(qw(svn log -h)))) { |
|
print STDERR <<''; |
|
W: The installed svn version does not support the --stop-on-copy flag in |
|
the log command. |
|
Lets hope the directory you're tracking is not a branch or tag |
|
and was never moved within the repository... |
|
|
|
$_no_stop_copy = 1; |
|
} |
|
} |
|
|
|
# *sigh*, new versions of svn won't honor -r<rev> without URL@<rev>, |
|
# (and they won't honor URL@<rev> without -r<rev>, too!) |
|
sub svn_cmd_checkout { |
|
my ($url, $rev, $dir) = @_; |
|
my @cmd = ('svn','co', "-r$rev"); |
|
push @cmd, '--ignore-externals' unless $_no_ignore_ext; |
|
$url .= "\@$rev" if $_svn_co_url_revs; |
|
sys(@cmd, $url, $dir); |
|
} |
|
|
|
sub check_upgrade_needed { |
|
my $old = eval { |
|
my $pid = open my $child, '-|'; |
|
defined $pid or croak $!; |
|
if ($pid == 0) { |
|
close STDERR; |
|
exec('git-rev-parse',"$GIT_SVN-HEAD") or croak $!; |
|
} |
|
my @ret = (<$child>); |
|
close $child or croak $?; |
|
die $? if $?; # just in case close didn't error out |
|
return wantarray ? @ret : join('',@ret); |
|
}; |
|
return unless $old; |
|
my $head = eval { safe_qx('git-rev-parse',"refs/remotes/$GIT_SVN") }; |
|
if ($@ || !$head) { |
|
print STDERR "Please run: $0 rebuild --upgrade\n"; |
|
exit 1; |
|
} |
|
} |
|
|
|
# fills %tree_map with a reverse mapping of trees to commits. Useful |
|
# for finding parents to commit on. |
|
sub map_tree_joins { |
|
my %seen; |
|
foreach my $br (@_branch_from) { |
|
my $pid = open my $pipe, '-|'; |
|
defined $pid or croak $!; |
|
if ($pid == 0) { |
|
exec(qw(git-rev-list --topo-order --pretty=raw), $br) |
|
or croak $!; |
|
} |
|
while (<$pipe>) { |
|
if (/^commit ($sha1)$/o) { |
|
my $commit = $1; |
|
|
|
# if we've seen a commit, |
|
# we've seen its parents |
|
last if $seen{$commit}; |
|
my ($tree) = (<$pipe> =~ /^tree ($sha1)$/o); |
|
unless (defined $tree) { |
|
die "Failed to parse commit $commit\n"; |
|
} |
|
push @{$tree_map{$tree}}, $commit; |
|
$seen{$commit} = 1; |
|
} |
|
} |
|
close $pipe; # we could be breaking the pipe early |
|
} |
|
} |
|
|
|
sub load_all_refs { |
|
if (@_branch_from) { |
|
print STDERR '--branch|-b parameters are ignored when ', |
|
"--branch-all-refs|-B is passed\n"; |
|
} |
|
|
|
# don't worry about rev-list on non-commit objects/tags, |
|
# it shouldn't blow up if a ref is a blob or tree... |
|
chomp(@_branch_from = `git-rev-parse --symbolic --all`); |
|
} |
|
|
|
# '<svn username> = real-name <email address>' mapping based on git-svnimport: |
|
sub load_authors { |
|
open my $authors, '<', $_authors or die "Can't open $_authors $!\n"; |
|
while (<$authors>) { |
|
chomp; |
|
next unless /^(\S+?)\s*=\s*(.+?)\s*<(.+)>\s*$/; |
|
my ($user, $name, $email) = ($1, $2, $3); |
|
$users{$user} = [$name, $email]; |
|
} |
|
close $authors or croak $!; |
|
} |
|
|
|
sub rload_authors { |
|
open my $authors, '<', $_authors or die "Can't open $_authors $!\n"; |
|
while (<$authors>) { |
|
chomp; |
|
next unless /^(\S+?)\s*=\s*(.+?)\s*<(.+)>\s*$/; |
|
my ($user, $name, $email) = ($1, $2, $3); |
|
$rusers{"$name <$email>"} = $user; |
|
} |
|
close $authors or croak $!; |
|
} |
|
|
|
sub svn_propget_base { |
|
my ($p, $f) = @_; |
|
$f .= '@BASE' if $_svn_pg_peg_revs; |
|
return safe_qx(qw/svn propget/, $p, $f); |
|
} |
|
|
|
sub git_svn_each { |
|
my $sub = shift; |
|
foreach (`git-rev-parse --symbolic --all`) { |
|
next unless s#^refs/remotes/##; |
|
chomp $_; |
|
next unless -f "$GIT_DIR/svn/$_/info/url"; |
|
&$sub($_); |
|
} |
|
} |
|
|
|
sub migration_check { |
|
return if (-d "$GIT_DIR/svn" || !-d $GIT_DIR); |
|
print "Upgrading repository...\n"; |
|
unless (-d "$GIT_DIR/svn") { |
|
mkdir "$GIT_DIR/svn" or croak $!; |
|
} |
|
print "Data from a previous version of git-svn exists, but\n\t", |
|
"$GIT_SVN_DIR\n\t(required for this version ", |
|
"($VERSION) of git-svn) does not.\n"; |
|
|
|
foreach my $x (`git-rev-parse --symbolic --all`) { |
|
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 $dn; |
|
rename "$GIT_DIR/$x", "$GIT_DIR/svn/$x" or croak "$!: $x"; |
|
my ($url, $path) = repo_path_split($u); |
|
s_to_file($url, "$GIT_DIR/svn/$x/info/repo_url"); |
|
s_to_file($path, "$GIT_DIR/svn/$x/info/repo_path"); |
|
} |
|
print "Done upgrading.\n"; |
|
} |
|
|
|
sub find_rev_before { |
|
my ($r, $git_svn_id) = @_; |
|
my @revs = map { basename $_ } <$GIT_DIR/svn/$git_svn_id/revs/*>; |
|
foreach my $r0 (sort { $b <=> $a } @revs) { |
|
next if $r0 >= $r; |
|
return ($r0, file_to_s("$GIT_DIR/svn/$git_svn_id/revs/$r0")); |
|
} |
|
return (undef, undef); |
|
} |
|
|
|
sub init_vars { |
|
$GIT_SVN ||= $ENV{GIT_SVN_ID} || 'git-svn'; |
|
$GIT_SVN_DIR = "$GIT_DIR/svn/$GIT_SVN"; |
|
$GIT_SVN_INDEX = "$GIT_SVN_DIR/index"; |
|
$SVN_URL = undef; |
|
$REV_DIR = "$GIT_SVN_DIR/revs"; |
|
$SVN_WC = "$GIT_SVN_DIR/tree"; |
|
} |
|
|
|
# convert GetOpt::Long specs for use by git-repo-config |
|
sub read_repo_config { |
|
return unless -d $GIT_DIR; |
|
my $opts = shift; |
|
foreach my $o (keys %$opts) { |
|
my $v = $opts->{$o}; |
|
my ($key) = ($o =~ /^([a-z\-]+)/); |
|
$key =~ s/-//g; |
|
my $arg = 'git-repo-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; |
|
} |
|
} |
|
} |
|
} |
|
|
|
sub set_default_vals { |
|
if (defined $_repack) { |
|
$_repack = 1000 if ($_repack <= 0); |
|
$_repack_nr = $_repack; |
|
$_repack_flags ||= ''; |
|
} |
|
} |
|
|
|
sub read_grafts { |
|
my $gr_file = shift; |
|
my ($grafts, $comments) = ({}, {}); |
|
if (open my $fh, '<', $gr_file) { |
|
my @tmp; |
|
while (<$fh>) { |
|
if (/^($sha1)\s+/) { |
|
my $c = $1; |
|
if (@tmp) { |
|
@{$comments->{$c}} = @tmp; |
|
@tmp = (); |
|
} |
|
foreach my $p (split /\s+/, $_) { |
|
$grafts->{$c}->{$p} = 1; |
|
} |
|
} else { |
|
push @tmp, $_; |
|
} |
|
} |
|
close $fh or croak $!; |
|
@{$comments->{'END'}} = @tmp if @tmp; |
|
} |
|
return ($grafts, $comments); |
|
} |
|
|
|
sub write_grafts { |
|
my ($grafts, $comments, $gr_file) = @_; |
|
|
|
open my $fh, '>', $gr_file or croak $!; |
|
foreach my $c (sort keys %$grafts) { |
|
if ($comments->{$c}) { |
|
print $fh $_ foreach @{$comments->{$c}}; |
|
} |
|
my $p = $grafts->{$c}; |
|
delete $p->{$c}; # commits are not self-reproducing... |
|
my $pid = open my $ch, '-|'; |
|
defined $pid or croak $!; |
|
if (!$pid) { |
|
exec(qw/git-cat-file commit/, $c) or croak $!; |
|
} |
|
while (<$ch>) { |
|
if (/^parent ([a-f\d]{40})/) { |
|
$p->{$1} = 1; |
|
} else { |
|
last unless /^\S/i; |
|
} |
|
} |
|
close $ch; # breaking the pipe |
|
print $fh $c, ' ', join(' ', sort keys %$p),"\n"; |
|
} |
|
if ($comments->{'END'}) { |
|
print $fh $_ foreach @{$comments->{'END'}}; |
|
} |
|
close $fh or croak $!; |
|
} |
|
|
|
sub read_url_paths { |
|
my $l_map = {}; |
|
git_svn_each(sub { my $x = shift; |
|
my $u = file_to_s("$GIT_DIR/svn/$x/info/repo_url"); |
|
my $p = file_to_s("$GIT_DIR/svn/$x/info/repo_path"); |
|
# we hate trailing slashes |
|
if ($u =~ s#(?:^\/+|\/+$)##g) { |
|
s_to_file($u,"$GIT_DIR/svn/$x/info/repo_url"); |
|
} |
|
if ($p =~ s#(?:^\/+|\/+$)##g) { |
|
s_to_file($p,"$GIT_DIR/svn/$x/info/repo_path"); |
|
} |
|
$l_map->{$u}->{$p} = $x; |
|
}); |
|
return $l_map; |
|
} |
|
|
|
sub extract_metadata { |
|
my $id = shift; |
|
my ($url, $rev, $uuid) = ($id =~ /^git-svn-id:\s(\S+?)\@(\d+) |
|
\s([a-f\d\-]+)$/x); |
|
if (!$rev || !$uuid || !$url) { |
|
# some of the original repositories I made had |
|
# indentifiers like this: |
|
($rev, $uuid) = ($id =~/^git-svn-id:\s(\d+)\@([a-f\d\-]+)/); |
|
} |
|
return ($url, $rev, $uuid); |
|
} |
|
|
|
sub tz_to_s_offset { |
|
my ($tz) = @_; |
|
$tz =~ s/(\d\d)$//; |
|
return ($1 * 60) + ($tz * 3600); |
|
} |
|
|
|
sub setup_pager { # translated to Perl from pager.c |
|
return unless (-t *STDOUT); |
|
my $pager = $ENV{PAGER}; |
|
if (!defined $pager) { |
|
$pager = 'less'; |
|
} elsif (length $pager == 0 || $pager eq 'cat') { |
|
return; |
|
} |
|
pipe my $rfd, my $wfd or return; |
|
defined(my $pid = fork) or croak $!; |
|
if (!$pid) { |
|
open STDOUT, '>&', $wfd or croak $!; |
|
return; |
|
} |
|
open STDIN, '<&', $rfd or croak $!; |
|
$ENV{LESS} ||= '-S'; |
|
exec $pager or croak "Can't run pager: $!\n";; |
|
} |
|
|
|
sub get_author_info { |
|
my ($dest, $author, $t, $tz) = @_; |
|
$author =~ s/(?:^\s*|\s*$)//g; |
|
my $_a; |
|
if ($_authors) { |
|
$_a = $rusers{$author} || undef; |
|
} |
|
if (!$_a) { |
|
($_a) = ($author =~ /<([^>]+)\@[^>]+>$/); |
|
} |
|
$dest->{t} = $t; |
|
$dest->{tz} = $tz; |
|
$dest->{a} = $_a; |
|
# Date::Parse isn't in the standard Perl distro :( |
|
if ($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_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" && $l->[($#$l - 1)] eq "\n") { |
|
pop @$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\n"; |
|
print $_ foreach @$l; |
|
} |
|
} else { |
|
print "1 line\n\n"; |
|
|
|
} |
|
foreach my $x (qw/raw diff/) { |
|
if ($c->{$x}) { |
|
print "\n"; |
|
print $_ foreach @{$c->{$x}} |
|
} |
|
} |
|
} |
|
|
|
sub libsvn_load { |
|
return unless $_use_lib; |
|
$_use_lib = eval { |
|
require SVN::Core; |
|
if ($SVN::Core::VERSION lt '1.2.1') { |
|
die "Need SVN::Core 1.2.1 or better ", |
|
"(got $SVN::Core::VERSION) ", |
|
"Falling back to command-line svn\n"; |
|
} |
|
require SVN::Ra; |
|
require SVN::Delta; |
|
push @SVN::Git::Editor::ISA, 'SVN::Delta::Editor'; |
|
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; |
|
1; |
|
}; |
|
} |
|
|
|
sub libsvn_connect { |
|
my ($url) = @_; |
|
my $auth = SVN::Core::auth_open([SVN::Client::get_simple_provider(), |
|
SVN::Client::get_ssl_server_trust_file_provider(), |
|
SVN::Client::get_username_provider()]); |
|
my $s = eval { SVN::Ra->new(url => $url, auth => $auth) }; |
|
return $s; |
|
} |
|
|
|
sub libsvn_get_file { |
|
my ($gui, $f, $rev) = @_; |
|
my $p = $f; |
|
return unless ($p =~ s#^\Q$SVN_PATH\E/?##); |
|
|
|
my $fd = IO::File->new_tmpfile or croak $!; |
|
my $pool = SVN::Pool->new; |
|
my ($r, $props) = $SVN->get_file($f, $rev, $fd, $pool); |
|
$pool->clear; |
|
$fd->flush == 0 or croak $!; |
|
seek $fd, 0, 0 or croak $!; |
|
if (my $es = $props->{'svn:eol-style'}) { |
|
my $new_fd = IO::File->new_tmpfile or croak $!; |
|
eol_cp_fd($fd, $new_fd, $es); |
|
close $fd or croak $!; |
|
$fd = $new_fd; |
|
seek $fd, 0, 0 or croak $!; |
|
$fd->flush == 0 or croak $!; |
|
} |
|
my $mode = '100644'; |
|
if (exists $props->{'svn:executable'}) { |
|
$mode = '100755'; |
|
} |
|
if (exists $props->{'svn:special'}) { |
|
$mode = '120000'; |
|
local $/; |
|
my $link = <$fd>; |
|
$link =~ s/^link // or die "svn:special file with contents: <", |
|
$link, "> is not understood\n"; |
|
seek $fd, 0, 0 or croak $!; |
|
truncate $fd, 0 or croak $!; |
|
print $fd $link or croak $!; |
|
seek $fd, 0, 0 or croak $!; |
|
$fd->flush == 0 or croak $!; |
|
} |
|
my $pid = open my $ho, '-|'; |
|
defined $pid or croak $!; |
|
if (!$pid) { |
|
open STDIN, '<&', $fd or croak $!; |
|
exec qw/git-hash-object -w --stdin/ or croak $!; |
|
} |
|
chomp(my $hash = do { local $/; <$ho> }); |
|
close $ho or croak $?; |
|
$hash =~ /^$sha1$/o or die "not a sha1: $hash\n"; |
|
print $gui $mode,' ',$hash,"\t",$p,"\0" or croak $!; |
|
close $fd or croak $!; |
|
} |
|
|
|
sub libsvn_log_entry { |
|
my ($rev, $author, $date, $msg, $parents) = @_; |
|
my ($Y,$m,$d,$H,$M,$S) = ($date =~ /^(\d{4})\-(\d\d)\-(\d\d)T |
|
(\d\d)\:(\d\d)\:(\d\d).\d+Z$/x) |
|
or die "Unable to parse date: $date\n"; |
|
if (defined $_authors && ! defined $users{$author}) { |
|
die "Author: $author not defined in $_authors file\n"; |
|
} |
|
return { revision => $rev, date => "+0000 $Y-$m-$d $H:$M:$S", |
|
author => $author, msg => $msg."\n", parents => $parents || [] } |
|
} |
|
|
|
sub process_rm { |
|
my ($gui, $last_commit, $f) = @_; |
|
$f =~ s#^\Q$SVN_PATH\E/?## or return; |
|
# remove entire directories. |
|
if (safe_qx('git-ls-tree',$last_commit,'--',$f) =~ /^040000 tree/) { |
|
defined(my $pid = open my $ls, '-|') or croak $!; |
|
if (!$pid) { |
|
exec(qw/git-ls-tree -r --name-only -z/, |
|
$last_commit,'--',$f) or croak $!; |
|
} |
|
local $/ = "\0"; |
|
while (<$ls>) { |
|
print $gui '0 ',0 x 40,"\t",$_ or croak $!; |
|
} |
|
close $ls or croak $!; |
|
} else { |
|
print $gui '0 ',0 x 40,"\t",$f,"\0" or croak $!; |
|
} |
|
} |
|
|
|
sub libsvn_fetch { |
|
my ($last_commit, $paths, $rev, $author, $date, $msg) = @_; |
|
open my $gui, '| git-update-index -z --index-info' or croak $!; |
|
my @amr; |
|
foreach my $f (keys %$paths) { |
|
my $m = $paths->{$f}->action(); |
|
$f =~ s#^/+##; |
|
if ($m =~ /^[DR]$/) { |
|
process_rm($gui, $last_commit, $f); |
|
next if $m eq 'D'; |
|
# 'R' can be file replacements, too, right? |
|
} |
|
my $pool = SVN::Pool->new; |
|
my $t = $SVN->check_path($f, $rev, $pool); |
|
if ($t == $SVN::Node::file) { |
|
if ($m =~ /^[AMR]$/) { |
|
push @amr, $f; |
|
} else { |
|
die "Unrecognized action: $m, ($f r$rev)\n"; |
|
} |
|
} |
|
$pool->clear; |
|
} |
|
libsvn_get_file($gui, $_, $rev) foreach (@amr); |
|
close $gui or croak $!; |
|
return libsvn_log_entry($rev, $author, $date, $msg, [$last_commit]); |
|
} |
|
|
|
sub svn_grab_base_rev { |
|
defined(my $pid = open my $fh, '-|') or croak $!; |
|
if (!$pid) { |
|
open my $null, '>', '/dev/null' or croak $!; |
|
open STDERR, '>&', $null or croak $!; |
|
exec qw/git-rev-parse --verify/,"refs/remotes/$GIT_SVN^0" |
|
or croak $!; |
|
} |
|
chomp(my $c = do { local $/; <$fh> }); |
|
close $fh; |
|
if (defined $c && length $c) { |
|
my ($url, $rev, $uuid) = extract_metadata((grep(/^git-svn-id: /, |
|
safe_qx(qw/git-cat-file commit/, $c)))[0]); |
|
return ($rev, $c); |
|
} |
|
return (undef, undef); |
|
} |
|
|
|
sub libsvn_parse_revision { |
|
my $base = shift; |
|
my $head = $SVN->get_latest_revnum(); |
|
if (!defined $_revision || $_revision eq 'BASE:HEAD') { |
|
return ($base + 1, $head) if (defined $base); |
|
return (0, $head); |
|
} |
|
return ($1, $2) if ($_revision =~ /^(\d+):(\d+)$/); |
|
return ($_revision, $_revision) if ($_revision =~ /^\d+$/); |
|
if ($_revision =~ /^BASE:(\d+)$/) { |
|
return ($base + 1, $1) if (defined $base); |
|
return (0, $head); |
|
} |
|
return ($1, $head) if ($_revision =~ /^(\d+):HEAD$/); |
|
die "revision argument: $_revision not understood by git-svn\n", |
|
"Try using the command-line svn client instead\n"; |
|
} |
|
|
|
sub libsvn_traverse { |
|
my ($gui, $pfx, $path, $rev) = @_; |
|
my $cwd = "$pfx/$path"; |
|
my $pool = SVN::Pool->new; |
|
$cwd =~ s#^/+##g; |
|
my ($dirent, $r, $props) = $SVN->get_dir($cwd, $rev, $pool); |
|
foreach my $d (keys %$dirent) { |
|
my $t = $dirent->{$d}->kind; |
|
if ($t == $SVN::Node::dir) { |
|
libsvn_traverse($gui, $cwd, $d, $rev); |
|
} elsif ($t == $SVN::Node::file) { |
|
libsvn_get_file($gui, "$cwd/$d", $rev); |
|
} |
|
} |
|
$pool->clear; |
|
} |
|
|
|
sub libsvn_traverse_ignore { |
|
my ($fh, $path, $r) = @_; |
|
$path =~ s#^/+##g; |
|
my $pool = SVN::Pool->new; |
|
my ($dirent, undef, $props) = $SVN->get_dir($path, $r, $pool); |
|
my $p = $path; |
|
$p =~ s#^\Q$SVN_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 != $SVN::Node::dir; |
|
libsvn_traverse_ignore($fh, "$path/$_", $r); |
|
} |
|
$pool->clear; |
|
} |
|
|
|
sub libsvn_new_tree { |
|
my ($paths, $rev, $author, $date, $msg) = @_; |
|
my $svn_path = '/'.$SVN_PATH; |
|
|
|
# look for a parent from another branch: |
|
foreach (keys %$paths) { |
|
next if ($_ ne $svn_path); |
|
my $i = $paths->{$_}; |
|
my $branch_from = $i->copyfrom_path or next; |
|
my $r = $i->copyfrom_rev; |
|
print STDERR "Found possible branch point: ", |
|
"$branch_from => $svn_path, $r\n"; |
|
$branch_from =~ s#^/##; |
|
my $l_map = read_url_paths(); |
|
my $url = $SVN->{url}; |
|
defined $l_map->{$url} or next; |
|
my $id = $l_map->{$url}->{$branch_from} or next; |
|
my $f = "$GIT_DIR/svn/$id/revs/$r"; |
|
while ($r && !-r $f) { |
|
$r--; |
|
$f = "$GIT_DIR/svn/$id/revs/$r"; |
|
} |
|
if (-r $f) { |
|
my $parent = file_to_s($f); |
|
unlink $GIT_SVN_INDEX; |
|
print STDERR "Found branch parent: $parent\n"; |
|
sys(qw/git-read-tree/, $parent); |
|
return libsvn_fetch($parent, $paths, $rev, |
|
$author, $date, $msg); |
|
} |
|
print STDERR "Nope, branch point not imported or unknown\n"; |
|
} |
|
open my $gui, '| git-update-index -z --index-info' or croak $!; |
|
my $pool = SVN::Pool->new; |
|
libsvn_traverse($gui, '', $SVN_PATH, $rev, $pool); |
|
$pool->clear; |
|
close $gui or croak $!; |
|
return libsvn_log_entry($rev, $author, $date, $msg); |
|
} |
|
|
|
sub find_graft_path_commit { |
|
my ($tree_paths, $p1, $r1) = @_; |
|
foreach my $x (keys %$tree_paths) { |
|
next unless ($p1 =~ /^\Q$x\E/); |
|
my $i = $tree_paths->{$x}; |
|
my $f = "$GIT_DIR/svn/$i/revs/$r1"; |
|
|
|
return file_to_s($f) if (-r $f); |
|
|
|
print STDERR "r$r1 of $i not imported\n"; |
|
next; |
|
} |
|
return undef; |
|
} |
|
|
|
sub find_graft_path_parents { |
|
my ($grafts, $tree_paths, $c, $p0, $r0) = @_; |
|
foreach my $x (keys %$tree_paths) { |
|
next unless ($p0 =~ /^\Q$x\E/); |
|
my $i = $tree_paths->{$x}; |
|
my $f = "$GIT_DIR/svn/$i/revs/$r0"; |
|
while ($r0 && !-r $f) { |
|
# could be an older revision, too... |
|
$r0--; |
|
$f = "$GIT_DIR/svn/$i/revs/$r0"; |
|
} |
|
unless (-r $f) { |
|
print STDERR "r$r0 of $i not imported\n"; |
|
next; |
|
} |
|
my $parent = file_to_s($f); |
|
$grafts->{$c}->{$parent} = 1; |
|
} |
|
} |
|
|
|
sub libsvn_graft_file_copies { |
|
my ($grafts, $tree_paths, $path, $paths, $rev) = @_; |
|
foreach (keys %$paths) { |
|
my $i = $paths->{$_}; |
|
my ($m, $p0, $r0) = ($i->action, $i->copyfrom_path, |
|
$i->copyfrom_rev); |
|
next unless (defined $p0 && defined $r0); |
|
|
|
my $p1 = $_; |
|
$p1 =~ s#^/##; |
|
$p0 =~ s#^/##; |
|
my $c = find_graft_path_commit($tree_paths, $p1, $rev); |
|
next unless $c; |
|
find_graft_path_parents($grafts, $tree_paths, $c, $p0, $r0); |
|
} |
|
} |
|
|
|
sub set_index { |
|
my $old = $ENV{GIT_INDEX_FILE}; |
|
$ENV{GIT_INDEX_FILE} = shift; |
|
return $old; |
|
} |
|
|
|
sub restore_index { |
|
my ($old) = @_; |
|
if (defined $old) { |
|
$ENV{GIT_INDEX_FILE} = $old; |
|
} else { |
|
delete $ENV{GIT_INDEX_FILE}; |
|
} |
|
} |
|
|
|
sub libsvn_commit_cb { |
|
my ($rev, $date, $committer, $c, $msg, $r_last, $cmt_last) = @_; |
|
if ($rev == ($r_last + 1)) { |
|
# optimized (avoid fetch) |
|
my $log = libsvn_log_entry($rev,$committer,$date,$msg); |
|
$log->{tree} = get_tree_from_treeish($c); |
|
my $cmt = git_commit($log, $cmt_last, $c); |
|
my @diff = safe_qx('git-diff-tree', $cmt, $c); |
|
if (@diff) { |
|
print STDERR "Trees differ: $cmt $c\n", |
|
join('',@diff),"\n"; |
|
exit 1; |
|
} |
|
} else { |
|
fetch_lib("$rev=$c"); |
|
} |
|
} |
|
|
|
sub libsvn_ls_fullurl { |
|
my $fullurl = shift; |
|
my ($repo, $path) = repo_path_split($fullurl); |
|
$SVN ||= libsvn_connect($repo); |
|
my @ret; |
|
my $pool = SVN::Pool->new; |
|
my ($dirent, undef, undef) = $SVN->get_dir($path, |
|
$SVN->get_latest_revnum, $pool); |
|
foreach my $d (keys %$dirent) { |
|
if ($dirent->{$d}->kind == $SVN::Node::dir) { |
|
push @ret, "$d/"; # add '/' for compat with cli svn |
|
} |
|
} |
|
$pool->clear; |
|
return @ret; |
|
} |
|
|
|
|
|
sub libsvn_skip_unknown_revs { |
|
my $err = shift; |
|
my $errno = $err->apr_err(); |
|
# Maybe the branch we're tracking didn't |
|
# exist when the repo started, so it's |
|
# not an error if it doesn't, just continue |
|
# |
|
# Wonderfully consistent library, eh? |
|
# 160013 - svn:// and file:// |
|
# 175002 - http(s):// |
|
# More codes may be discovered later... |
|
if ($errno == 175002 || $errno == 160013) { |
|
print STDERR "directory non-existent\n"; |
|
return; |
|
} |
|
croak "Error from SVN, ($errno): ", $err->expanded_message,"\n"; |
|
}; |
|
|
|
package SVN::Git::Editor; |
|
use vars qw/@ISA/; |
|
use strict; |
|
use warnings; |
|
use Carp qw/croak/; |
|
use IO::File; |
|
|
|
sub new { |
|
my $class = shift; |
|
my $git_svn = shift; |
|
my $self = SVN::Delta::Editor->new(@_); |
|
bless $self, $class; |
|
foreach (qw/svn_path c r ra /) { |
|
die "$_ required!\n" unless (defined $git_svn->{$_}); |
|
$self->{$_} = $git_svn->{$_}; |
|
} |
|
$self->{pool} = SVN::Pool->new; |
|
$self->{bat} = { '' => $self->open_root($self->{r}, $self->{pool}) }; |
|
$self->{rm} = { }; |
|
require Digest::MD5; |
|
return $self; |
|
} |
|
|
|
sub split_path { |
|
return ($_[0] =~ m#^(.*?)/?([^/]+)$#); |
|
} |
|
|
|
sub repo_path { |
|
(defined $_[1] && length $_[1]) ? "$_[0]->{svn_path}/$_[1]" |
|
: $_[0]->{svn_path} |
|
} |
|
|
|
sub url_path { |
|
my ($self, $path) = @_; |
|
$self->{ra}->{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; |
|
|
|
defined(my $pid = open my $fh,'-|') or croak $!; |
|
if (!$pid) { |
|
exec qw/git-ls-tree --name-only -r -z/, $self->{c} or croak $!; |
|
} |
|
local $/ = "\0"; |
|
while (<$fh>) { |
|
chomp; |
|
$_ = $self->{svn_path} . '/' . $_; |
|
my ($dn) = ($_ =~ m#^(.*?)/?(?:[^/]+)$#); |
|
delete $rm->{$dn}; |
|
last unless %$rm; |
|
} |
|
my ($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) = ($d =~ m#^(.*?)/?(?:[^/]+)$#); |
|
$self->SUPER::delete_entry($d, $r, $bat->{$dn}, $p); |
|
delete $bat->{$d}; |
|
} |
|
} |
|
|
|
sub open_or_add_dir { |
|
my ($self, $full_path, $baton) = @_; |
|
my $p = SVN::Pool->new; |
|
my $t = $self->{ra}->check_path($full_path, $self->{r}, $p); |
|
$p->clear; |
|
if ($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}; |
|
$path = $self->repo_path($path); |
|
return $bat->{''} unless (length $path); |
|
my @p = split m#/+#, $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); |
|
$self->chg_file($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}); |
|
$self->chg_file($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}); |
|
$self->chg_file($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}); |
|
$self->chg_file($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 $atd = $self->apply_textdelta($fbat, undef, $self->{pool}); |
|
my $got = SVN::TxDelta::send_stream($fh, @$atd, $self->{pool}); |
|
die "Checksum mismatch\nexpected: $exp\ngot: $got\n" if ($got ne $exp); |
|
|
|
close $fh or croak $!; |
|
} |
|
|
|
sub D { |
|
my ($self, $m) = @_; |
|
my ($dir, $file) = split_path($m->{file_b}); |
|
my $pbat = $self->ensure_path($dir); |
|
$self->delete_entry($m->{file_b}, $pbat); |
|
} |
|
|
|
sub close_edit { |
|
my ($self) = @_; |
|
my ($p,$bat) = ($self->{pool}, $self->{bat}); |
|
foreach (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$bat) { |
|
$self->close_directory($bat->{$_}, $p); |
|
} |
|
$self->SUPER::close_edit($p); |
|
$p->clear; |
|
} |
|
|
|
sub abort_edit { |
|
my ($self) = @_; |
|
$self->SUPER::abort_edit($self->{pool}); |
|
$self->{pool}->clear; |
|
} |
|
|
|
__END__ |
|
|
|
Data structures: |
|
|
|
$svn_log hashref (as returned by svn_log_raw) |
|
{ |
|
fh => file handle of the log file, |
|
state => state of the log file parser (sep/msg/rev/msg_start...) |
|
} |
|
|
|
$log_msg hashref as returned by next_log_entry($svn_log) |
|
{ |
|
msg => 'whitespace-formatted log entry |
|
', # trailing newline is preserved |
|
revision => '8', # integer |
|
date => '2004-02-24T17:01:44.108345Z', # commit date |
|
author => 'committer name' |
|
}; |
|
|
|
|
|
@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) |
|
} |
|
; |
|
|
|
Notes: |
|
I don't trust the each() function on unless I created %hash myself |
|
because the internal iterator may not have started at base.
|
|
|