X-Git-Url: https://git.madduck.net/code/vcsh.git/blobdiff_plain/6087288c06101723633289aa9af31fad8729b605..a82dfd998413a033234b6e604200331e64f8528f:/vcsh?ds=sidebyside

diff --git a/vcsh b/vcsh
index 8bfafab..d4e1ba0 100755
--- a/vcsh
+++ b/vcsh
@@ -106,13 +106,16 @@ 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
    list-tracked \\
         [<repo>]        List all files tracked all or one repositories
    list-untracked \\
-        [<-r>] [<repo>] List all files not tracked by all or one repositories
+        [<-a>] [<-r>]
+        [<repo>]        List all files not tracked by all or one repositories
    pull                 Pull from all vcsh remotes
    push                 Push to vcsh remotes
    rename <repo> \\
@@ -159,7 +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" ] &&
@@ -169,7 +177,7 @@ clone() {
 	[ x"$VCSH_CONFLICT" = x'1' ]) &&
 		fatal "will stop after fetching and not try to merge!
   Once this situation has been resolved, run 'vcsh $VCSH_REPO_NAME pull' to finish cloning." 17
-	git merge origin/"$VCSH_BRANCH"
+	git -c merge.ff=true merge origin/"$VCSH_BRANCH"
 	hook post-merge
 	hook post-clone
 	retire
@@ -215,6 +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
 }
@@ -264,7 +293,7 @@ list_tracked_helper() {
 }
 
 list_tracked_by() {
-	list_tracked $2
+	list_tracked '' $2
 }
 
 list_untracked() {
@@ -275,10 +304,13 @@ list_untracked() {
 	temp_file_untracked_copy=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file'
 
 	# Hack in support for `vcsh list-untracked -r`...
+	exclude_standard_opt='--exclude-standard'
 	directory_opt="--directory"
 	shift 1
-	while getopts "r" flag; do
-		if [ x"$1" = x'-r' ]; then
+	while getopts "ar" flag; do
+		if [ x"$1" = x'-a' ]; then
+			unset exclude_standard_opt
+		elif [ x"$1" = x'-r' ]; then
 			unset directory_opt
 		fi
 		shift 1
@@ -301,7 +333,7 @@ list_untracked() {
 
 list_untracked_helper() {
 	export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
-	git ls-files --others "$directory_opt" | (
+	git ls-files --others $exclude_standard_opt "$directory_opt" | (
 		while read line; do
 			echo "$line"
 			directory_component=${line%%/*}
@@ -425,12 +457,14 @@ use() {
 }
 
 which() {
-	[ -e "$VCSH_COMMAND_PARAMETER" ] || fatal "'$VCSH_COMMAND_PARAMETER' does not exist" 1
-	for VCSH_REPO_NAME in $(list); do
-		for VCSH_FILE in $(get_files); do
-			echo "$VCSH_FILE" | grep -q "$VCSH_COMMAND_PARAMETER" && echo "$VCSH_REPO_NAME: $VCSH_FILE"
-		done
-	done | sort -u
+	output=$(for VCSH_REPO_NAME in $(list); do
+		get_files | grep -- "$VCSH_COMMAND_PARAMETER" | sed "s/^/$VCSH_REPO_NAME: /"
+	done | sort -u)
+	if [ -z "$output" ]; then
+		fatal "'$VCSH_COMMAND_PARAMETER' does not exist" 1
+	else
+		echo "$output"
+	fi
 }
 
 write_gitignore() {
@@ -442,14 +476,21 @@ write_gitignore() {
 
 	use
 	cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11
+	local GIT_VERSION=$(git --version)
+	local GIT_VERSION_MAJOR=$(echo $GIT_VERSION | sed -n 's/.* \([0-9]\)\..*/\1/p')
+	local GIT_VERSION_MINOR=$(echo $GIT_VERSION | sed -n 's/.* \([0-9]\)\.\([0-9]\)\..*/\2/p')
 	OLDIFS=$IFS
 	IFS=$(printf '\n\t')
 	gitignores=$(for file in $(git ls-files); do
-		while true; do
-			echo "$file"; new=${file%/*}
-			[ x"$file" = x"$new" ] && break
-			file=$new
-		done;
+		if [ $GIT_VERSION_MAJOR -ge 2 -a $GIT_VERSION_MINOR -ge 7 ]; then
+			echo "$file";
+		else
+			while true; do
+				echo "$file"; new=${file%/*}
+				[ x"$file" = x"$new" ] && break
+				file=$new
+			done;
+		fi
 	done | sort -u)
 
 	# Contrary to GNU mktemp, mktemp on BSD/OSX requires a template for temp files
@@ -552,6 +593,9 @@ 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' ] ||