diff options
| -rw-r--r-- | Documentation/git-submodule.txt | 17 | ||||
| -rwxr-xr-x | git-submodule.sh | 24 |
2 files changed, 39 insertions, 2 deletions
diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt index bf33b0cba..abbd5b72d 100644 --- a/Documentation/git-submodule.txt +++ b/Documentation/git-submodule.txt @@ -14,6 +14,7 @@ SYNOPSIS 'git submodule' [--quiet] init [--] [<path>...] 'git submodule' [--quiet] update [--init] [--] [<path>...] 'git submodule' [--quiet] summary [--summary-limit <n>] [commit] [--] [<path>...] +'git submodule' [--quiet] foreach <command> DESCRIPTION @@ -123,6 +124,22 @@ summary:: in the submodule between the given super project commit and the index or working tree (switched by --cached) are shown. +foreach:: + Evaluates an arbitrary shell command in each checked out submodule. + The command has access to the variables $path and $sha1: + $path is the name of the submodule directory relative to the + superproject, and $sha1 is the commit as recorded in the superproject. + Any submodules defined in the superproject but not checked out are + ignored by this command. Unless given --quiet, foreach prints the name + of each submodule before evaluating the command. + A non-zero return from the command in any submodule causes + the processing to terminate. This can be overridden by adding '|| :' + to the end of the command. ++ +As an example, "git submodule foreach 'echo $path `git rev-parse HEAD`' will +show the path and currently checked out commit for each submodule. + + OPTIONS ------- -q:: diff --git a/git-submodule.sh b/git-submodule.sh index b40f876a2..2d57d6045 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -6,7 +6,7 @@ USAGE="[--quiet] [--cached] \ [add <repo> [-b branch] <path>]|[status|init|update [-i|--init]|summary [-n|--summary-limit <n>] [<commit>]] \ -[--] [<path>...]" +[--] [<path>...]|[foreach <command>]" OPTIONS_SPEC= . git-sh-setup require_work_tree @@ -199,6 +199,26 @@ cmd_add() } # +# Execute an arbitrary command sequence in each checked out +# submodule +# +# $@ = command to execute +# +cmd_foreach() +{ + git ls-files --stage | grep '^160000 ' | + while read mode sha1 stage path + do + if test -e "$path"/.git + then + say "Entering '$path'" + (cd "$path" && eval "$@") || + die "Stopping at '$path'; script returned non-zero status." + fi + done +} + +# # Register submodules in .git/config # # $@ = requested paths (default to all) @@ -583,7 +603,7 @@ cmd_status() while test $# != 0 && test -z "$command" do case "$1" in - add | init | update | status | summary) + add | foreach | init | update | status | summary) command=$1 ;; -q|--quiet) |