#!/bin/sh
# Copyright (c) 2005 Linus Torvalds
-. git-sh-setup || die "Not a git archive"
-
-usage () {
- echo >&2 "Usage: git-tag [-a | -s] [-f] [-m "tag message"] tagname"
- exit 1
-}
+USAGE='-l [<pattern>] | [-a | -s | -u <key-id>] [-f | -d] [-m <msg>] <tagname> [<head>]'
+SUBDIRECTORY_OK='Yes'
+. git-sh-setup
+message_given=
annotate=
signed=
force=
message=
+username=
+list=
while case "$#" in 0) break ;; esac
do
case "$1" in
-f)
force=1
;;
+ -l)
+ case "$#" in
+ 1)
+ set x . ;;
+ esac
+ shift
+ git rev-parse --symbolic --tags | sort | grep "$@"
+ exit $?
+ ;;
-m)
annotate=1
shift
message="$1"
+ if test "$#" = "0"; then
+ die "error: option -m needs an argument"
+ exit 2
+ else
+ message_given=1
+ fi
+ ;;
+ -F)
+ annotate=1
+ shift
+ if test "$#" = "0"; then
+ die "error: option -F needs an argument"
+ exit 2
+ else
+ message="$(cat "$1")"
+ message_given=1
+ fi
+ ;;
+ -u)
+ annotate=1
+ signed=1
+ shift
+ username="$1"
+ ;;
+ -d)
+ shift
+ tag_name="$1"
+ tag=$(git-show-ref --verify --hash -- "refs/tags/$tag_name") ||
+ die "Seriously, what tag are you talking about?"
+ git-update-ref -m 'tag: delete' -d "refs/tags/$tag_name" "$tag" &&
+ echo "Deleted tag $tag_name."
+ exit $?
;;
-*)
usage
name="$1"
[ "$name" ] || usage
-if [ -e "$GIT_DIR/refs/tags/$name" -a -z "$force" ]; then
- die "tag '$name' already exists"
+prev=0000000000000000000000000000000000000000
+if git-show-ref --verify --quiet -- "refs/tags/$name"
+then
+ test -n "$force" || die "tag '$name' already exists"
+ prev=`git rev-parse "refs/tags/$name"`
fi
shift
+git-check-ref-format "tags/$name" ||
+ die "we do not like '$name' as a tag name."
object=$(git-rev-parse --verify --default HEAD "$@") || exit 1
type=$(git-cat-file -t $object) || exit 1
tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
+: ${username:=$(expr "z$tagger" : 'z\(.*>\)')}
-trap 'rm -f .tmp-tag* .tagmsg .editmsg' 0
+trap 'rm -f "$GIT_DIR"/TAG_TMP* "$GIT_DIR"/TAG_FINALMSG "$GIT_DIR"/TAG_EDITMSG' 0
if [ "$annotate" ]; then
- if [ -z "$message" ]; then
+ if [ -z "$message_given" ]; then
( echo "#"
echo "# Write a tag message"
- echo "#" ) > .editmsg
- ${VISUAL:-${EDITOR:-vi}} .editmsg || exit
+ echo "#" ) > "$GIT_DIR"/TAG_EDITMSG
+ ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR"/TAG_EDITMSG || exit
else
- echo "$message" > .editmsg
+ echo "$message" >"$GIT_DIR"/TAG_EDITMSG
fi
- grep -v '^#' < .editmsg | git-stripspace > .tagmsg
+ grep -v '^#' <"$GIT_DIR"/TAG_EDITMSG |
+ git-stripspace >"$GIT_DIR"/TAG_FINALMSG
- [ -s .tagmsg ] || exit
+ [ -s "$GIT_DIR"/TAG_FINALMSG -o -n "$message_given" ] || {
+ echo >&2 "No tag message?"
+ exit 1
+ }
- ( echo -e "object $object\ntype $type\ntag $name\ntagger $tagger\n"; cat .tagmsg ) > .tmp-tag
- rm -f .tmp-tag.asc .tagmsg
+ ( printf 'object %s\ntype %s\ntag %s\ntagger %s\n\n' \
+ "$object" "$type" "$name" "$tagger";
+ cat "$GIT_DIR"/TAG_FINALMSG ) >"$GIT_DIR"/TAG_TMP
+ rm -f "$GIT_DIR"/TAG_TMP.asc "$GIT_DIR"/TAG_FINALMSG
if [ "$signed" ]; then
- me=$(expr "$tagger" : '\(.*>\)') &&
- gpg -bsa -u "$me" .tmp-tag &&
- cat .tmp-tag.asc >>.tmp-tag ||
+ gpg -bsa -u "$username" "$GIT_DIR"/TAG_TMP &&
+ cat "$GIT_DIR"/TAG_TMP.asc >>"$GIT_DIR"/TAG_TMP ||
die "failed to sign the tag with GPG."
fi
- object=$(git-mktag < .tmp-tag)
+ object=$(git-mktag < "$GIT_DIR"/TAG_TMP)
fi
-mkdir -p "$GIT_DIR/refs/tags"
-echo $object > "$GIT_DIR/refs/tags/$name"
+git update-ref "refs/tags/$name" "$object" "$prev"
+