X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/195dd8c17928cddb92bce06182631cbd0d82f4af..5f7069911b8c2f76bdd098a21ffe3dc3f4c0cb5a:/vcsh

diff --git a/vcsh b/vcsh
index afed6eb..98e0acd 100755
--- a/vcsh
+++ b/vcsh
@@ -106,6 +106,8 @@ help() {
    commit               Commit in all repositories
    delete <repo>        Delete an existing repository
    enter <repo>         Enter repository; spawn new instance of \$SHELL
+   foreach [<-g>]
+     <git command>      Execute a command for every repository
    help                 Display this help text
    init <repo>          Initialize a new repository
    list                 List all repositories
@@ -160,7 +162,12 @@ clone() {
   You should add files to your new repository."
 		exit
 	fi
-	git fetch origin "$VCSH_BRANCH"
+	GIT_VERSION_MAJOR=$(git --version | sed -n 's/.* \([0-9]\)\..*/\1/p' )
+	if [ 1 -lt "$GIT_VERSION_MAJOR" ];then
+		git fetch origin "$VCSH_BRANCH"
+	else
+		git fetch origin
+	fi
 	hook pre-merge
 	git ls-tree -r --name-only origin/"$VCSH_BRANCH" | (while read object; do
 		[ -e "$object" ] &&
@@ -216,6 +223,27 @@ enter() {
 	hook post-enter
 }
 
+foreach() {
+	hook pre-foreach
+
+	# We default to prefixing `git` to all commands passed to foreach, but
+	# allow running in general context with -g
+	command_prefix=git
+	while getopts "g" flag; do
+		if [ x"$1" = x'-g' ]; then
+			unset command_prefix
+		fi
+		shift 1
+	done
+	for VCSH_REPO_NAME in $(list); do
+		echo "$VCSH_REPO_NAME:"
+		GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
+		use
+		$command_prefix "$@"
+	done
+	hook post-foreach
+}
+
 git_dir_exists() {
 	[ -d "$GIT_DIR" ] || fatal "no repository found for '$VCSH_REPO_NAME'" 12
 }
@@ -558,6 +586,9 @@ elif [ x"$VCSH_COMMAND" = x'delete' ]           ||
 	[ x"$VCSH_COMMAND" = x'rename' ] && { VCSH_REPO_NAME_NEW=$3; export VCSH_REPO_NAME_NEW;
 	                                      GIT_DIR_NEW=$VCSH_REPO_D/$VCSH_REPO_NAME_NEW.git; export GIT_DIR_NEW; }
 	[ x"$VCSH_COMMAND" = x'run' ]    && shift 2
+elif [ x"$VCSH_COMMAND" = x'foreach' ]; then
+	[ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a command" 1
+	shift 1
 elif [ x"$VCSH_COMMAND" = x'commit' ] ||
      [ x"$VCSH_COMMAND" = x'list'   ] ||
      [ x"$VCSH_COMMAND" = x'list-tracked' ] ||