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1424 lines
32 KiB
1424 lines
32 KiB
#!/bin/sh |
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# |
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# git-submodule.sh: add, init, update or list git submodules |
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# |
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# Copyright (c) 2007 Lars Hjemli |
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|
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dashless=$(basename "$0" | sed -e 's/-/ /') |
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USAGE="[--quiet] add [-b <branch>] [-f|--force] [--name <name>] [--reference <repository>] [--] <repository> [<path>] |
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or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...] |
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or: $dashless [--quiet] init [--] [<path>...] |
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or: $dashless [--quiet] deinit [-f|--force] [--] <path>... |
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or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--reference <repository>] [--recursive] [--] [<path>...] |
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or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...] |
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or: $dashless [--quiet] foreach [--recursive] <command> |
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or: $dashless [--quiet] sync [--recursive] [--] [<path>...]" |
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OPTIONS_SPEC= |
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SUBDIRECTORY_OK=Yes |
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. git-sh-setup |
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. git-sh-i18n |
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. git-parse-remote |
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require_work_tree |
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wt_prefix=$(git rev-parse --show-prefix) |
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cd_to_toplevel |
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# Restrict ourselves to a vanilla subset of protocols; the URLs |
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# we get are under control of a remote repository, and we do not |
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# want them kicking off arbitrary git-remote-* programs. |
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# |
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# If the user has already specified a set of allowed protocols, |
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# we assume they know what they're doing and use that instead. |
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: ${GIT_ALLOW_PROTOCOL=file:git:http:https:ssh} |
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export GIT_ALLOW_PROTOCOL |
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command= |
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branch= |
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force= |
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reference= |
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cached= |
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recursive= |
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init= |
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files= |
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remote= |
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nofetch= |
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update= |
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prefix= |
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custom_name= |
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depth= |
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# The function takes at most 2 arguments. The first argument is the |
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# URL that navigates to the submodule origin repo. When relative, this URL |
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# is relative to the superproject origin URL repo. The second up_path |
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# argument, if specified, is the relative path that navigates |
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# from the submodule working tree to the superproject working tree. |
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# |
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# The output of the function is the origin URL of the submodule. |
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# |
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# The output will either be an absolute URL or filesystem path (if the |
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# superproject origin URL is an absolute URL or filesystem path, |
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# respectively) or a relative file system path (if the superproject |
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# origin URL is a relative file system path). |
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# |
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# When the output is a relative file system path, the path is either |
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# relative to the submodule working tree, if up_path is specified, or to |
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# the superproject working tree otherwise. |
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resolve_relative_url () |
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{ |
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remote=$(get_default_remote) |
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remoteurl=$(git config "remote.$remote.url") || |
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remoteurl=$(pwd) # the repository is its own authoritative upstream |
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url="$1" |
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remoteurl=${remoteurl%/} |
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sep=/ |
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up_path="$2" |
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case "$remoteurl" in |
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*:*|/*) |
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is_relative= |
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;; |
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./*|../*) |
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is_relative=t |
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;; |
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*) |
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is_relative=t |
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remoteurl="./$remoteurl" |
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;; |
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esac |
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|
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while test -n "$url" |
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do |
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case "$url" in |
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../*) |
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url="${url#../}" |
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case "$remoteurl" in |
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*/*) |
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remoteurl="${remoteurl%/*}" |
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;; |
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*:*) |
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remoteurl="${remoteurl%:*}" |
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sep=: |
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;; |
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*) |
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if test -z "$is_relative" || test "." = "$remoteurl" |
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then |
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die "$(eval_gettext "cannot strip one component off url '\$remoteurl'")" |
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else |
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remoteurl=. |
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fi |
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;; |
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esac |
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;; |
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./*) |
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url="${url#./}" |
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;; |
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*) |
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break;; |
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esac |
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done |
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remoteurl="$remoteurl$sep${url%/}" |
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echo "${is_relative:+${up_path}}${remoteurl#./}" |
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} |
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|
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# Resolve a path to be relative to another path. This is intended for |
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# converting submodule paths when git-submodule is run in a subdirectory |
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# and only handles paths where the directory separator is '/'. |
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# |
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# The output is the first argument as a path relative to the second argument, |
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# which defaults to $wt_prefix if it is omitted. |
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relative_path () |
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{ |
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local target curdir result |
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target=$1 |
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curdir=${2-$wt_prefix} |
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curdir=${curdir%/} |
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result= |
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while test -n "$curdir" |
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do |
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case "$target" in |
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"$curdir/"*) |
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target=${target#"$curdir"/} |
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break |
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;; |
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esac |
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result="${result}../" |
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if test "$curdir" = "${curdir%/*}" |
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then |
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curdir= |
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else |
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curdir="${curdir%/*}" |
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fi |
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done |
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echo "$result$target" |
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} |
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# |
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# Get submodule info for registered submodules |
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# $@ = path to limit submodule list |
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# |
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module_list() |
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{ |
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eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")" |
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( |
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git ls-files -z --error-unmatch --stage -- "$@" || |
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echo "unmatched pathspec exists" |
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) | |
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@@PERL@@ -e ' |
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my %unmerged = (); |
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my ($null_sha1) = ("0" x 40); |
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my @out = (); |
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my $unmatched = 0; |
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$/ = "\0"; |
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while (<STDIN>) { |
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if (/^unmatched pathspec/) { |
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$unmatched = 1; |
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next; |
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} |
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chomp; |
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my ($mode, $sha1, $stage, $path) = |
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/^([0-7]+) ([0-9a-f]{40}) ([0-3])\t(.*)$/; |
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next unless $mode eq "160000"; |
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if ($stage ne "0") { |
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if (!$unmerged{$path}++) { |
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push @out, "$mode $null_sha1 U\t$path\n"; |
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} |
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next; |
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} |
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push @out, "$_\n"; |
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} |
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if ($unmatched) { |
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print "#unmatched\n"; |
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} else { |
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print for (@out); |
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} |
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' |
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} |
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die_if_unmatched () |
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{ |
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if test "$1" = "#unmatched" |
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then |
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exit 1 |
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fi |
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} |
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# |
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# Print a submodule configuration setting |
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# |
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# $1 = submodule name |
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# $2 = option name |
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# $3 = default value |
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# |
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# Checks in the usual git-config places first (for overrides), |
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# otherwise it falls back on .gitmodules. This allows you to |
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# distribute project-wide defaults in .gitmodules, while still |
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# customizing individual repositories if necessary. If the option is |
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# not in .gitmodules either, print a default value. |
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# |
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get_submodule_config () { |
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name="$1" |
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option="$2" |
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default="$3" |
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value=$(git config submodule."$name"."$option") |
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if test -z "$value" |
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then |
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value=$(git config -f .gitmodules submodule."$name"."$option") |
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fi |
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printf '%s' "${value:-$default}" |
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} |
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# |
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# Map submodule path to submodule name |
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# |
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# $1 = path |
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# |
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module_name() |
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{ |
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# Do we have "submodule.<something>.path = $1" defined in .gitmodules file? |
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sm_path="$1" |
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re=$(printf '%s\n' "$1" | sed -e 's/[].[^$\\*]/\\&/g') |
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name=$( git config -f .gitmodules --get-regexp '^submodule\..*\.path$' | |
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sed -n -e 's|^submodule\.\(.*\)\.path '"$re"'$|\1|p' ) |
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test -z "$name" && |
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die "$(eval_gettext "No submodule mapping found in .gitmodules for path '\$sm_path'")" |
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printf '%s\n' "$name" |
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} |
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# |
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# Clone a submodule |
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# |
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# $1 = submodule path |
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# $2 = submodule name |
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# $3 = URL to clone |
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# $4 = reference repository to reuse (empty for independent) |
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# $5 = depth argument for shallow clones (empty for deep) |
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# |
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# Prior to calling, cmd_update checks that a possibly existing |
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# path is not a git repository. |
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# Likewise, cmd_add checks that path does not exist at all, |
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# since it is the location of a new submodule. |
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# |
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module_clone() |
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{ |
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sm_path=$1 |
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name=$2 |
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url=$3 |
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reference="$4" |
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depth="$5" |
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quiet= |
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if test -n "$GIT_QUIET" |
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then |
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quiet=-q |
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fi |
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gitdir= |
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gitdir_base= |
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base_name=$(dirname "$name") |
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gitdir=$(git rev-parse --git-dir) |
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gitdir_base="$gitdir/modules/$base_name" |
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gitdir="$gitdir/modules/$name" |
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if test -d "$gitdir" |
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then |
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mkdir -p "$sm_path" |
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rm -f "$gitdir/index" |
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else |
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mkdir -p "$gitdir_base" |
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( |
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clear_local_git_env |
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git clone $quiet ${depth:+"$depth"} -n ${reference:+"$reference"} \ |
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--separate-git-dir "$gitdir" "$url" "$sm_path" |
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) || |
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die "$(eval_gettext "Clone of '\$url' into submodule path '\$sm_path' failed")" |
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fi |
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# We already are at the root of the work tree but cd_to_toplevel will |
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# resolve any symlinks that might be present in $PWD |
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a=$(cd_to_toplevel && cd "$gitdir" && pwd)/ |
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b=$(cd_to_toplevel && cd "$sm_path" && pwd)/ |
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# Remove all common leading directories after a sanity check |
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if test "${a#$b}" != "$a" || test "${b#$a}" != "$b"; then |
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die "$(eval_gettext "Gitdir '\$a' is part of the submodule path '\$b' or vice versa")" |
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fi |
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while test "${a%%/*}" = "${b%%/*}" |
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do |
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a=${a#*/} |
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b=${b#*/} |
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done |
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# Now chop off the trailing '/'s that were added in the beginning |
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a=${a%/} |
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b=${b%/} |
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|
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# Turn each leading "*/" component into "../" |
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rel=$(printf '%s\n' "$b" | sed -e 's|[^/][^/]*|..|g') |
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printf '%s\n' "gitdir: $rel/$a" >"$sm_path/.git" |
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rel=$(printf '%s\n' "$a" | sed -e 's|[^/][^/]*|..|g') |
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(clear_local_git_env; cd "$sm_path" && GIT_WORK_TREE=. git config core.worktree "$rel/$b") |
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} |
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isnumber() |
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{ |
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n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1" |
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} |
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|
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# |
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# Add a new submodule to the working tree, .gitmodules and the index |
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# |
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# $@ = repo path |
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# |
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# optional branch is stored in global branch variable |
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# |
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cmd_add() |
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{ |
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# parse $args after "submodule ... add". |
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reference_path= |
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while test $# -ne 0 |
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do |
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case "$1" in |
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-b | --branch) |
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case "$2" in '') usage ;; esac |
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branch=$2 |
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shift |
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;; |
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-f | --force) |
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force=$1 |
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;; |
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-q|--quiet) |
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GIT_QUIET=1 |
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;; |
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--reference) |
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case "$2" in '') usage ;; esac |
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reference_path=$2 |
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shift |
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;; |
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--reference=*) |
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reference_path="${1#--reference=}" |
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;; |
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--name) |
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case "$2" in '') usage ;; esac |
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custom_name=$2 |
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shift |
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;; |
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--depth) |
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case "$2" in '') usage ;; esac |
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depth="--depth=$2" |
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shift |
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;; |
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--depth=*) |
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depth=$1 |
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;; |
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--) |
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shift |
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break |
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;; |
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-*) |
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usage |
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;; |
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*) |
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break |
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;; |
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esac |
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shift |
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done |
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|
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if test -n "$reference_path" |
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then |
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is_absolute_path "$reference_path" || |
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reference_path="$wt_prefix$reference_path" |
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|
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reference="--reference=$reference_path" |
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fi |
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|
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repo=$1 |
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sm_path=$2 |
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|
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if test -z "$sm_path"; then |
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sm_path=$(printf '%s\n' "$repo" | |
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sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g') |
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fi |
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|
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if test -z "$repo" || test -z "$sm_path"; then |
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usage |
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fi |
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|
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is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path" |
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|
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# assure repo is absolute or relative to parent |
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case "$repo" in |
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./*|../*) |
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test -z "$wt_prefix" || |
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die "$(gettext "Relative path can only be used from the toplevel of the working tree")" |
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|
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# dereference source url relative to parent's url |
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realrepo=$(resolve_relative_url "$repo") || exit |
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;; |
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*:*|/*) |
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# absolute url |
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realrepo=$repo |
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;; |
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*) |
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die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")" |
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;; |
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esac |
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|
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# normalize path: |
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# multiple //; leading ./; /./; /../; trailing / |
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sm_path=$(printf '%s/\n' "$sm_path" | |
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sed -e ' |
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s|//*|/|g |
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s|^\(\./\)*|| |
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s|/\(\./\)*|/|g |
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:start |
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s|\([^/]*\)/\.\./|| |
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tstart |
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s|/*$|| |
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') |
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git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 && |
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die "$(eval_gettext "'\$sm_path' already exists in the index")" |
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|
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if test -z "$force" && ! git add --dry-run --ignore-missing "$sm_path" > /dev/null 2>&1 |
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then |
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eval_gettextln "The following path is ignored by one of your .gitignore files: |
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\$sm_path |
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Use -f if you really want to add it." >&2 |
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exit 1 |
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fi |
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|
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if test -n "$custom_name" |
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then |
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sm_name="$custom_name" |
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else |
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sm_name="$sm_path" |
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fi |
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|
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# perhaps the path exists and is already a git repo, else clone it |
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if test -e "$sm_path" |
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then |
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if test -d "$sm_path"/.git || test -f "$sm_path"/.git |
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then |
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eval_gettextln "Adding existing repo at '\$sm_path' to the index" |
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else |
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die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")" |
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fi |
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|
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else |
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if test -d ".git/modules/$sm_name" |
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then |
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if test -z "$force" |
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then |
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echo >&2 "$(eval_gettext "A git directory for '\$sm_name' is found locally with remote(s):")" |
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GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2 |
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echo >&2 "$(eval_gettext "If you want to reuse this local git directory instead of cloning again from")" |
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echo >&2 " $realrepo" |
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echo >&2 "$(eval_gettext "use the '--force' option. If the local git directory is not the correct repo")" |
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die "$(eval_gettext "or you are unsure what this means choose another name with the '--name' option.")" |
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else |
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echo "$(eval_gettext "Reactivating local git directory for submodule '\$sm_name'.")" |
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fi |
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fi |
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module_clone "$sm_path" "$sm_name" "$realrepo" "$reference" "$depth" || exit |
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( |
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clear_local_git_env |
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cd "$sm_path" && |
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# ash fails to wordsplit ${branch:+-b "$branch"...} |
|
case "$branch" in |
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'') git checkout -f -q ;; |
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?*) git checkout -f -q -B "$branch" "origin/$branch" ;; |
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esac |
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) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")" |
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fi |
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git config submodule."$sm_name".url "$realrepo" |
|
|
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git add $force "$sm_path" || |
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die "$(eval_gettext "Failed to add submodule '\$sm_path'")" |
|
|
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git config -f .gitmodules submodule."$sm_name".path "$sm_path" && |
|
git config -f .gitmodules submodule."$sm_name".url "$repo" && |
|
if test -n "$branch" |
|
then |
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git config -f .gitmodules submodule."$sm_name".branch "$branch" |
|
fi && |
|
git add --force .gitmodules || |
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die "$(eval_gettext "Failed to register submodule '\$sm_path'")" |
|
} |
|
|
|
# |
|
# Execute an arbitrary command sequence in each checked out |
|
# submodule |
|
# |
|
# $@ = command to execute |
|
# |
|
cmd_foreach() |
|
{ |
|
# parse $args after "submodule ... foreach". |
|
while test $# -ne 0 |
|
do |
|
case "$1" in |
|
-q|--quiet) |
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GIT_QUIET=1 |
|
;; |
|
--recursive) |
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recursive=1 |
|
;; |
|
-*) |
|
usage |
|
;; |
|
*) |
|
break |
|
;; |
|
esac |
|
shift |
|
done |
|
|
|
toplevel=$(pwd) |
|
|
|
# dup stdin so that it can be restored when running the external |
|
# command in the subshell (and a recursive call to this function) |
|
exec 3<&0 |
|
|
|
module_list | |
|
while read mode sha1 stage sm_path |
|
do |
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die_if_unmatched "$mode" |
|
if test -e "$sm_path"/.git |
|
then |
|
displaypath=$(relative_path "$sm_path") |
|
say "$(eval_gettext "Entering '\$prefix\$displaypath'")" |
|
name=$(module_name "$sm_path") |
|
( |
|
prefix="$prefix$sm_path/" |
|
clear_local_git_env |
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cd "$sm_path" && |
|
sm_path=$(relative_path "$sm_path") && |
|
# we make $path available to scripts ... |
|
path=$sm_path && |
|
if test $# -eq 1 |
|
then |
|
eval "$1" |
|
else |
|
"$@" |
|
fi && |
|
if test -n "$recursive" |
|
then |
|
cmd_foreach "--recursive" "$@" |
|
fi |
|
) <&3 3<&- || |
|
die "$(eval_gettext "Stopping at '\$prefix\$displaypath'; script returned non-zero status.")" |
|
fi |
|
done |
|
} |
|
|
|
# |
|
# Register submodules in .git/config |
|
# |
|
# $@ = requested paths (default to all) |
|
# |
|
cmd_init() |
|
{ |
|
# parse $args after "submodule ... init". |
|
while test $# -ne 0 |
|
do |
|
case "$1" in |
|
-q|--quiet) |
|
GIT_QUIET=1 |
|
;; |
|
--) |
|
shift |
|
break |
|
;; |
|
-*) |
|
usage |
|
;; |
|
*) |
|
break |
|
;; |
|
esac |
|
shift |
|
done |
|
|
|
module_list "$@" | |
|
while read mode sha1 stage sm_path |
|
do |
|
die_if_unmatched "$mode" |
|
name=$(module_name "$sm_path") || exit |
|
|
|
displaypath=$(relative_path "$sm_path") |
|
|
|
# Copy url setting when it is not set yet |
|
if test -z "$(git config "submodule.$name.url")" |
|
then |
|
url=$(git config -f .gitmodules submodule."$name".url) |
|
test -z "$url" && |
|
die "$(eval_gettext "No url found for submodule path '\$displaypath' in .gitmodules")" |
|
|
|
# Possibly a url relative to parent |
|
case "$url" in |
|
./*|../*) |
|
url=$(resolve_relative_url "$url") || exit |
|
;; |
|
esac |
|
git config submodule."$name".url "$url" || |
|
die "$(eval_gettext "Failed to register url for submodule path '\$displaypath'")" |
|
|
|
say "$(eval_gettext "Submodule '\$name' (\$url) registered for path '\$displaypath'")" |
|
fi |
|
|
|
# Copy "update" setting when it is not set yet |
|
if upd="$(git config -f .gitmodules submodule."$name".update)" && |
|
test -n "$upd" && |
|
test -z "$(git config submodule."$name".update)" |
|
then |
|
case "$upd" in |
|
checkout | rebase | merge | none) |
|
;; # known modes of updating |
|
*) |
|
echo >&2 "warning: unknown update mode '$upd' suggested for submodule '$name'" |
|
upd=none |
|
;; |
|
esac |
|
git config submodule."$name".update "$upd" || |
|
die "$(eval_gettext "Failed to register update mode for submodule path '\$displaypath'")" |
|
fi |
|
done |
|
} |
|
|
|
# |
|
# Unregister submodules from .git/config and remove their work tree |
|
# |
|
# $@ = requested paths (use '.' to deinit all submodules) |
|
# |
|
cmd_deinit() |
|
{ |
|
# parse $args after "submodule ... deinit". |
|
while test $# -ne 0 |
|
do |
|
case "$1" in |
|
-f|--force) |
|
force=$1 |
|
;; |
|
-q|--quiet) |
|
GIT_QUIET=1 |
|
;; |
|
--) |
|
shift |
|
break |
|
;; |
|
-*) |
|
usage |
|
;; |
|
*) |
|
break |
|
;; |
|
esac |
|
shift |
|
done |
|
|
|
if test $# = 0 |
|
then |
|
die "$(eval_gettext "Use '.' if you really want to deinitialize all submodules")" |
|
fi |
|
|
|
module_list "$@" | |
|
while read mode sha1 stage sm_path |
|
do |
|
die_if_unmatched "$mode" |
|
name=$(module_name "$sm_path") || exit |
|
|
|
displaypath=$(relative_path "$sm_path") |
|
|
|
# Remove the submodule work tree (unless the user already did it) |
|
if test -d "$sm_path" |
|
then |
|
# Protect submodules containing a .git directory |
|
if test -d "$sm_path/.git" |
|
then |
|
echo >&2 "$(eval_gettext "Submodule work tree '\$displaypath' contains a .git directory")" |
|
die "$(eval_gettext "(use 'rm -rf' if you really want to remove it including all of its history)")" |
|
fi |
|
|
|
if test -z "$force" |
|
then |
|
git rm -qn "$sm_path" || |
|
die "$(eval_gettext "Submodule work tree '\$displaypath' contains local modifications; use '-f' to discard them")" |
|
fi |
|
rm -rf "$sm_path" && |
|
say "$(eval_gettext "Cleared directory '\$displaypath'")" || |
|
say "$(eval_gettext "Could not remove submodule work tree '\$displaypath'")" |
|
fi |
|
|
|
mkdir "$sm_path" || say "$(eval_gettext "Could not create empty submodule directory '\$displaypath'")" |
|
|
|
# Remove the .git/config entries (unless the user already did it) |
|
if test -n "$(git config --get-regexp submodule."$name\.")" |
|
then |
|
# Remove the whole section so we have a clean state when |
|
# the user later decides to init this submodule again |
|
url=$(git config submodule."$name".url) |
|
git config --remove-section submodule."$name" 2>/dev/null && |
|
say "$(eval_gettext "Submodule '\$name' (\$url) unregistered for path '\$displaypath'")" |
|
fi |
|
done |
|
} |
|
|
|
# |
|
# Update each submodule path to correct revision, using clone and checkout as needed |
|
# |
|
# $@ = requested paths (default to all) |
|
# |
|
cmd_update() |
|
{ |
|
# parse $args after "submodule ... update". |
|
while test $# -ne 0 |
|
do |
|
case "$1" in |
|
-q|--quiet) |
|
GIT_QUIET=1 |
|
;; |
|
-i|--init) |
|
init=1 |
|
;; |
|
--remote) |
|
remote=1 |
|
;; |
|
-N|--no-fetch) |
|
nofetch=1 |
|
;; |
|
-f|--force) |
|
force=$1 |
|
;; |
|
-r|--rebase) |
|
update="rebase" |
|
;; |
|
--reference) |
|
case "$2" in '') usage ;; esac |
|
reference="--reference=$2" |
|
shift |
|
;; |
|
--reference=*) |
|
reference="$1" |
|
;; |
|
-m|--merge) |
|
update="merge" |
|
;; |
|
--recursive) |
|
recursive=1 |
|
;; |
|
--checkout) |
|
update="checkout" |
|
;; |
|
--depth) |
|
case "$2" in '') usage ;; esac |
|
depth="--depth=$2" |
|
shift |
|
;; |
|
--depth=*) |
|
depth=$1 |
|
;; |
|
--) |
|
shift |
|
break |
|
;; |
|
-*) |
|
usage |
|
;; |
|
*) |
|
break |
|
;; |
|
esac |
|
shift |
|
done |
|
|
|
if test -n "$init" |
|
then |
|
cmd_init "--" "$@" || return |
|
fi |
|
|
|
cloned_modules= |
|
module_list "$@" | { |
|
err= |
|
while read mode sha1 stage sm_path |
|
do |
|
die_if_unmatched "$mode" |
|
if test "$stage" = U |
|
then |
|
echo >&2 "Skipping unmerged submodule $prefix$sm_path" |
|
continue |
|
fi |
|
name=$(module_name "$sm_path") || exit |
|
url=$(git config submodule."$name".url) |
|
branch=$(get_submodule_config "$name" branch master) |
|
if ! test -z "$update" |
|
then |
|
update_module=$update |
|
else |
|
update_module=$(git config submodule."$name".update) |
|
if test -z "$update_module" |
|
then |
|
update_module="checkout" |
|
fi |
|
fi |
|
|
|
displaypath=$(relative_path "$prefix$sm_path") |
|
|
|
if test "$update_module" = "none" |
|
then |
|
echo "Skipping submodule '$displaypath'" |
|
continue |
|
fi |
|
|
|
if test -z "$url" |
|
then |
|
# Only mention uninitialized submodules when its |
|
# path have been specified |
|
test "$#" != "0" && |
|
say "$(eval_gettext "Submodule path '\$displaypath' not initialized |
|
Maybe you want to use 'update --init'?")" |
|
continue |
|
fi |
|
|
|
if ! test -d "$sm_path"/.git && ! test -f "$sm_path"/.git |
|
then |
|
module_clone "$sm_path" "$name" "$url" "$reference" "$depth" || exit |
|
cloned_modules="$cloned_modules;$name" |
|
subsha1= |
|
else |
|
subsha1=$(clear_local_git_env; cd "$sm_path" && |
|
git rev-parse --verify HEAD) || |
|
die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")" |
|
fi |
|
|
|
if test -n "$remote" |
|
then |
|
if test -z "$nofetch" |
|
then |
|
# Fetch remote before determining tracking $sha1 |
|
(clear_local_git_env; cd "$sm_path" && git-fetch) || |
|
die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")" |
|
fi |
|
remote_name=$(clear_local_git_env; cd "$sm_path" && get_default_remote) |
|
sha1=$(clear_local_git_env; cd "$sm_path" && |
|
git rev-parse --verify "${remote_name}/${branch}") || |
|
die "$(eval_gettext "Unable to find current ${remote_name}/${branch} revision in submodule path '\$sm_path'")" |
|
fi |
|
|
|
if test "$subsha1" != "$sha1" || test -n "$force" |
|
then |
|
subforce=$force |
|
# If we don't already have a -f flag and the submodule has never been checked out |
|
if test -z "$subsha1" && test -z "$force" |
|
then |
|
subforce="-f" |
|
fi |
|
|
|
if test -z "$nofetch" |
|
then |
|
# Run fetch only if $sha1 isn't present or it |
|
# is not reachable from a ref. |
|
(clear_local_git_env; cd "$sm_path" && |
|
( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) && |
|
test -z "$rev") || git-fetch)) || |
|
die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")" |
|
fi |
|
|
|
# Is this something we just cloned? |
|
case ";$cloned_modules;" in |
|
*";$name;"*) |
|
# then there is no local change to integrate |
|
update_module=checkout ;; |
|
esac |
|
|
|
must_die_on_failure= |
|
case "$update_module" in |
|
checkout) |
|
command="git checkout $subforce -q" |
|
die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")" |
|
say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")" |
|
;; |
|
rebase) |
|
command="git rebase" |
|
die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")" |
|
say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")" |
|
must_die_on_failure=yes |
|
;; |
|
merge) |
|
command="git merge" |
|
die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")" |
|
say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")" |
|
must_die_on_failure=yes |
|
;; |
|
!*) |
|
command="${update_module#!}" |
|
die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$prefix\$sm_path'")" |
|
say_msg="$(eval_gettext "Submodule path '\$prefix\$sm_path': '\$command \$sha1'")" |
|
must_die_on_failure=yes |
|
;; |
|
*) |
|
die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")" |
|
esac |
|
|
|
if (clear_local_git_env; cd "$sm_path" && $command "$sha1") |
|
then |
|
say "$say_msg" |
|
elif test -n "$must_die_on_failure" |
|
then |
|
die_with_status 2 "$die_msg" |
|
else |
|
err="${err};$die_msg" |
|
continue |
|
fi |
|
fi |
|
|
|
if test -n "$recursive" |
|
then |
|
( |
|
prefix="$prefix$sm_path/" |
|
clear_local_git_env |
|
cd "$sm_path" && |
|
eval cmd_update |
|
) |
|
res=$? |
|
if test $res -gt 0 |
|
then |
|
die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")" |
|
if test $res -eq 1 |
|
then |
|
err="${err};$die_msg" |
|
continue |
|
else |
|
die_with_status $res "$die_msg" |
|
fi |
|
fi |
|
fi |
|
done |
|
|
|
if test -n "$err" |
|
then |
|
OIFS=$IFS |
|
IFS=';' |
|
for e in $err |
|
do |
|
if test -n "$e" |
|
then |
|
echo >&2 "$e" |
|
fi |
|
done |
|
IFS=$OIFS |
|
exit 1 |
|
fi |
|
} |
|
} |
|
|
|
set_name_rev () { |
|
revname=$( ( |
|
clear_local_git_env |
|
cd "$1" && { |
|
git describe "$2" 2>/dev/null || |
|
git describe --tags "$2" 2>/dev/null || |
|
git describe --contains "$2" 2>/dev/null || |
|
git describe --all --always "$2" |
|
} |
|
) ) |
|
test -z "$revname" || revname=" ($revname)" |
|
} |
|
# |
|
# Show commit summary for submodules in index or working tree |
|
# |
|
# If '--cached' is given, show summary between index and given commit, |
|
# or between working tree and given commit |
|
# |
|
# $@ = [commit (default 'HEAD'),] requested paths (default all) |
|
# |
|
cmd_summary() { |
|
summary_limit=-1 |
|
for_status= |
|
diff_cmd=diff-index |
|
|
|
# parse $args after "submodule ... summary". |
|
while test $# -ne 0 |
|
do |
|
case "$1" in |
|
--cached) |
|
cached="$1" |
|
;; |
|
--files) |
|
files="$1" |
|
;; |
|
--for-status) |
|
for_status="$1" |
|
;; |
|
-n|--summary-limit) |
|
summary_limit="$2" |
|
isnumber "$summary_limit" || usage |
|
shift |
|
;; |
|
--summary-limit=*) |
|
summary_limit="${1#--summary-limit=}" |
|
isnumber "$summary_limit" || usage |
|
;; |
|
--) |
|
shift |
|
break |
|
;; |
|
-*) |
|
usage |
|
;; |
|
*) |
|
break |
|
;; |
|
esac |
|
shift |
|
done |
|
|
|
test $summary_limit = 0 && return |
|
|
|
if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"}) |
|
then |
|
head=$rev |
|
test $# = 0 || shift |
|
elif test -z "$1" || test "$1" = "HEAD" |
|
then |
|
# before the first commit: compare with an empty tree |
|
head=$(git hash-object -w -t tree --stdin </dev/null) |
|
test -z "$1" || shift |
|
else |
|
head="HEAD" |
|
fi |
|
|
|
if [ -n "$files" ] |
|
then |
|
test -n "$cached" && |
|
die "$(gettext "The --cached option cannot be used with the --files option")" |
|
diff_cmd=diff-files |
|
head= |
|
fi |
|
|
|
cd_to_toplevel |
|
eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")" |
|
# Get modified modules cared by user |
|
modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" | |
|
sane_egrep '^:([0-7]* )?160000' | |
|
while read mod_src mod_dst sha1_src sha1_dst status sm_path |
|
do |
|
# Always show modules deleted or type-changed (blob<->module) |
|
if test "$status" = D || test "$status" = T |
|
then |
|
printf '%s\n' "$sm_path" |
|
continue |
|
fi |
|
# Respect the ignore setting for --for-status. |
|
if test -n "$for_status" |
|
then |
|
name=$(module_name "$sm_path") |
|
ignore_config=$(get_submodule_config "$name" ignore none) |
|
test $status != A && test $ignore_config = all && continue |
|
fi |
|
# Also show added or modified modules which are checked out |
|
GIT_DIR="$sm_path/.git" git-rev-parse --git-dir >/dev/null 2>&1 && |
|
printf '%s\n' "$sm_path" |
|
done |
|
) |
|
|
|
test -z "$modules" && return |
|
|
|
git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules | |
|
sane_egrep '^:([0-7]* )?160000' | |
|
cut -c2- | |
|
while read mod_src mod_dst sha1_src sha1_dst status name |
|
do |
|
if test -z "$cached" && |
|
test $sha1_dst = 0000000000000000000000000000000000000000 |
|
then |
|
case "$mod_dst" in |
|
160000) |
|
sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD) |
|
;; |
|
100644 | 100755 | 120000) |
|
sha1_dst=$(git hash-object $name) |
|
;; |
|
000000) |
|
;; # removed |
|
*) |
|
# unexpected type |
|
eval_gettextln "unexpected mode \$mod_dst" >&2 |
|
continue ;; |
|
esac |
|
fi |
|
missing_src= |
|
missing_dst= |
|
|
|
test $mod_src = 160000 && |
|
! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null && |
|
missing_src=t |
|
|
|
test $mod_dst = 160000 && |
|
! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null && |
|
missing_dst=t |
|
|
|
display_name=$(relative_path "$name") |
|
|
|
total_commits= |
|
case "$missing_src,$missing_dst" in |
|
t,) |
|
errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")" |
|
;; |
|
,t) |
|
errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")" |
|
;; |
|
t,t) |
|
errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")" |
|
;; |
|
*) |
|
errmsg= |
|
total_commits=$( |
|
if test $mod_src = 160000 && test $mod_dst = 160000 |
|
then |
|
range="$sha1_src...$sha1_dst" |
|
elif test $mod_src = 160000 |
|
then |
|
range=$sha1_src |
|
else |
|
range=$sha1_dst |
|
fi |
|
GIT_DIR="$name/.git" \ |
|
git rev-list --first-parent $range -- | wc -l |
|
) |
|
total_commits=" ($(($total_commits + 0)))" |
|
;; |
|
esac |
|
|
|
sha1_abbr_src=$(echo $sha1_src | cut -c1-7) |
|
sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7) |
|
if test $status = T |
|
then |
|
blob="$(gettext "blob")" |
|
submodule="$(gettext "submodule")" |
|
if test $mod_dst = 160000 |
|
then |
|
echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:" |
|
else |
|
echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:" |
|
fi |
|
else |
|
echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:" |
|
fi |
|
if test -n "$errmsg" |
|
then |
|
# Don't give error msg for modification whose dst is not submodule |
|
# i.e. deleted or changed to blob |
|
test $mod_dst = 160000 && echo "$errmsg" |
|
else |
|
if test $mod_src = 160000 && test $mod_dst = 160000 |
|
then |
|
limit= |
|
test $summary_limit -gt 0 && limit="-$summary_limit" |
|
GIT_DIR="$name/.git" \ |
|
git log $limit --pretty='format: %m %s' \ |
|
--first-parent $sha1_src...$sha1_dst |
|
elif test $mod_dst = 160000 |
|
then |
|
GIT_DIR="$name/.git" \ |
|
git log --pretty='format: > %s' -1 $sha1_dst |
|
else |
|
GIT_DIR="$name/.git" \ |
|
git log --pretty='format: < %s' -1 $sha1_src |
|
fi |
|
echo |
|
fi |
|
echo |
|
done |
|
} |
|
# |
|
# List all submodules, prefixed with: |
|
# - submodule not initialized |
|
# + different revision checked out |
|
# |
|
# If --cached was specified the revision in the index will be printed |
|
# instead of the currently checked out revision. |
|
# |
|
# $@ = requested paths (default to all) |
|
# |
|
cmd_status() |
|
{ |
|
# parse $args after "submodule ... status". |
|
while test $# -ne 0 |
|
do |
|
case "$1" in |
|
-q|--quiet) |
|
GIT_QUIET=1 |
|
;; |
|
--cached) |
|
cached=1 |
|
;; |
|
--recursive) |
|
recursive=1 |
|
;; |
|
--) |
|
shift |
|
break |
|
;; |
|
-*) |
|
usage |
|
;; |
|
*) |
|
break |
|
;; |
|
esac |
|
shift |
|
done |
|
|
|
module_list "$@" | |
|
while read mode sha1 stage sm_path |
|
do |
|
die_if_unmatched "$mode" |
|
name=$(module_name "$sm_path") || exit |
|
url=$(git config submodule."$name".url) |
|
displaypath=$(relative_path "$prefix$sm_path") |
|
if test "$stage" = U |
|
then |
|
say "U$sha1 $displaypath" |
|
continue |
|
fi |
|
if test -z "$url" || |
|
{ |
|
! test -d "$sm_path"/.git && |
|
! test -f "$sm_path"/.git |
|
} |
|
then |
|
say "-$sha1 $displaypath" |
|
continue; |
|
fi |
|
if git diff-files --ignore-submodules=dirty --quiet -- "$sm_path" |
|
then |
|
set_name_rev "$sm_path" "$sha1" |
|
say " $sha1 $displaypath$revname" |
|
else |
|
if test -z "$cached" |
|
then |
|
sha1=$(clear_local_git_env; cd "$sm_path" && git rev-parse --verify HEAD) |
|
fi |
|
set_name_rev "$sm_path" "$sha1" |
|
say "+$sha1 $displaypath$revname" |
|
fi |
|
|
|
if test -n "$recursive" |
|
then |
|
( |
|
prefix="$displaypath/" |
|
clear_local_git_env |
|
cd "$sm_path" && |
|
eval cmd_status |
|
) || |
|
die "$(eval_gettext "Failed to recurse into submodule path '\$sm_path'")" |
|
fi |
|
done |
|
} |
|
# |
|
# Sync remote urls for submodules |
|
# This makes the value for remote.$remote.url match the value |
|
# specified in .gitmodules. |
|
# |
|
cmd_sync() |
|
{ |
|
while test $# -ne 0 |
|
do |
|
case "$1" in |
|
-q|--quiet) |
|
GIT_QUIET=1 |
|
shift |
|
;; |
|
--recursive) |
|
recursive=1 |
|
shift |
|
;; |
|
--) |
|
shift |
|
break |
|
;; |
|
-*) |
|
usage |
|
;; |
|
*) |
|
break |
|
;; |
|
esac |
|
done |
|
cd_to_toplevel |
|
module_list "$@" | |
|
while read mode sha1 stage sm_path |
|
do |
|
die_if_unmatched "$mode" |
|
name=$(module_name "$sm_path") |
|
url=$(git config -f .gitmodules --get submodule."$name".url) |
|
|
|
# Possibly a url relative to parent |
|
case "$url" in |
|
./*|../*) |
|
# rewrite foo/bar as ../.. to find path from |
|
# submodule work tree to superproject work tree |
|
up_path="$(printf '%s\n' "$sm_path" | sed "s/[^/][^/]*/../g")" && |
|
# guarantee a trailing / |
|
up_path=${up_path%/}/ && |
|
# path from submodule work tree to submodule origin repo |
|
sub_origin_url=$(resolve_relative_url "$url" "$up_path") && |
|
# path from superproject work tree to submodule origin repo |
|
super_config_url=$(resolve_relative_url "$url") || exit |
|
;; |
|
*) |
|
sub_origin_url="$url" |
|
super_config_url="$url" |
|
;; |
|
esac |
|
|
|
if git config "submodule.$name.url" >/dev/null 2>/dev/null |
|
then |
|
displaypath=$(relative_path "$prefix$sm_path") |
|
say "$(eval_gettext "Synchronizing submodule url for '\$displaypath'")" |
|
git config submodule."$name".url "$super_config_url" |
|
|
|
if test -e "$sm_path"/.git |
|
then |
|
( |
|
clear_local_git_env |
|
cd "$sm_path" |
|
remote=$(get_default_remote) |
|
git config remote."$remote".url "$sub_origin_url" |
|
|
|
if test -n "$recursive" |
|
then |
|
prefix="$prefix$sm_path/" |
|
eval cmd_sync |
|
fi |
|
) |
|
fi |
|
fi |
|
done |
|
} |
|
|
|
# This loop parses the command line arguments to find the |
|
# subcommand name to dispatch. Parsing of the subcommand specific |
|
# options are primarily done by the subcommand implementations. |
|
# Subcommand specific options such as --branch and --cached are |
|
# parsed here as well, for backward compatibility. |
|
|
|
while test $# != 0 && test -z "$command" |
|
do |
|
case "$1" in |
|
add | foreach | init | deinit | update | status | summary | sync) |
|
command=$1 |
|
;; |
|
-q|--quiet) |
|
GIT_QUIET=1 |
|
;; |
|
-b|--branch) |
|
case "$2" in |
|
'') |
|
usage |
|
;; |
|
esac |
|
branch="$2"; shift |
|
;; |
|
--cached) |
|
cached="$1" |
|
;; |
|
--) |
|
break |
|
;; |
|
-*) |
|
usage |
|
;; |
|
*) |
|
break |
|
;; |
|
esac |
|
shift |
|
done |
|
|
|
# No command word defaults to "status" |
|
if test -z "$command" |
|
then |
|
if test $# = 0 |
|
then |
|
command=status |
|
else |
|
usage |
|
fi |
|
fi |
|
|
|
# "-b branch" is accepted only by "add" |
|
if test -n "$branch" && test "$command" != add |
|
then |
|
usage |
|
fi |
|
|
|
# "--cached" is accepted only by "status" and "summary" |
|
if test -n "$cached" && test "$command" != status && test "$command" != summary |
|
then |
|
usage |
|
fi |
|
|
|
"cmd_$command" "$@"
|
|
|