[thirdparty/git.git] / git-tag.sh

#!/bin/sh
# Copyright (c) 2005 Linus Torvalds

GIT_DIR=`git-rev-parse --git-dir` || exit $?

usage () {
    echo >&2 "Usage: git-tag [-a | -s | -u <key-id>] [-f | -d] [-m <msg>] <tagname> [<head>]"
    exit 1
}

die () {
    echo >&2 "$*"
    exit 1
}

annotate=
signed=
force=
message=
username=
while case "$#" in 0) break ;; esac
do
    case "$1" in
    -a)
	annotate=1
	;;
    -s)
	annotate=1
	signed=1
	;;
    -f)
	force=1
	;;
    -m)
    	annotate=1
	shift
	message="$1"
	;;
    -u)
	annotate=1
	signed=1
	shift
	username="$1"
	;;
    -d)
    	shift
	tag_name="$1"
	rm "$GIT_DIR/refs/tags/$tag_name" && \
	        echo "Deleted tag $tag_name."
	exit $?
	;;
    -*)
        usage
	;;
    *)
	break
	;;
    esac
    shift
done

name="$1"
[ "$name" ] || usage
if [ -e "$GIT_DIR/refs/tags/$name" -a -z "$force" ]; then
    die "tag '$name' already exists"
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 "$tagger" : '\(.*>\)')}

trap 'rm -f "$GIT_DIR"/TAG_TMP* "$GIT_DIR"/TAG_FINALMSG "$GIT_DIR"/TAG_EDITMSG' 0

if [ "$annotate" ]; then
    if [ -z "$message" ]; then
        ( echo "#"
          echo "# Write a tag message"
          echo "#" ) > "$GIT_DIR"/TAG_EDITMSG
        ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR"/TAG_EDITMSG || exit
    else
        echo "$message" >"$GIT_DIR"/TAG_EDITMSG
    fi

    grep -v '^#' <"$GIT_DIR"/TAG_EDITMSG |
    git-stripspace >"$GIT_DIR"/TAG_FINALMSG

    [ -s "$GIT_DIR"/TAG_FINALMSG ] || {
	echo >&2 "No tag message?"
	exit 1
    }

    ( echo -e "object $object\ntype $type\ntag $name\ntagger $tagger\n";
      cat "$GIT_DIR"/TAG_FINALMSG ) >"$GIT_DIR"/TAG_TMP
    rm -f "$GIT_DIR"/TAG_TMP.asc "$GIT_DIR"/TAG_FINALMSG
    if [ "$signed" ]; then
	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=$(git-mktag < "$GIT_DIR"/TAG_TMP)
fi

leading=`expr "refs/tags/$name" : '\(.*\)/'` &&
mkdir -p "$GIT_DIR/$leading" &&
echo $object > "$GIT_DIR/refs/tags/$name"
Commit	Line	Data
65f0d0ee	1	#!/bin/sh
8ac069ac JH	2	# Copyright (c) 2005 Linus Torvalds
8ac069ac JH	3
7ea2fc47	4	GIT_DIR=`git-rev-parse --git-dir` \|\| exit $?
d727782e	5
0fad0fdd	6	usage () {
61f81518	7	echo >&2 "Usage: git-tag [-a \| -s \| -u <key-id>] [-f \| -d] [-m <msg>] <tagname> [<head>]"
0fad0fdd JH	8	exit 1
	9	}
	10
d165fa14 JH	11	die () {
	12	echo >&2 "$*"
	13	exit 1
	14	}
	15
0fad0fdd	16	annotate=
d727782e LT	17	signed=
d727782e LT	18	force=
c882bc93	19	message=
bc162e40	20	username=
d727782e LT	21	while case "$#" in 0) break ;; esac
	22	do
	23	case "$1" in
0fad0fdd JH	24	-a)
	25	annotate=1
	26	;;
d727782e	27	-s)
0fad0fdd	28	annotate=1
d727782e LT	29	signed=1
	30	;;
	31	-f)
	32	force=1
	33	;;
c882bc93 CW	34	-m)
	35	annotate=1
	36	shift
	37	message="$1"
	38	;;
bc162e40 LT	39	-u)
	40	annotate=1
	41	signed=1
	42	shift
	43	username="$1"
	44	;;
61f81518 KR	45	-d)
	46	shift
	47	tag_name="$1"
	48	rm "$GIT_DIR/refs/tags/$tag_name" && \
	49	echo "Deleted tag $tag_name."
	50	exit $?
	51	;;
0fad0fdd JH	52	-*)
	53	usage
	54	;;
d727782e LT	55	*)
	56	break
	57	;;
	58	esac
	59	shift
	60	done
	61
918c05f1	62	name="$1"
0fad0fdd JH	63	[ "$name" ] \|\| usage
	64	if [ -e "$GIT_DIR/refs/tags/$name" -a -z "$force" ]; then
	65	die "tag '$name' already exists"
	66	fi
d727782e	67	shift
03feddd6 JH	68	git-check-ref-format "tags/$name" \|\|
03feddd6 JH	69	die "we do not like '$name' as a tag name."
8ac069ac	70
2ad77e67	71	object=$(git-rev-parse --verify --default HEAD "$@") \|\| exit 1
0fc65a45	72	type=$(git-cat-file -t $object) \|\| exit 1
c818566d	73	tagger=$(git-var GIT_COMMITTER_IDENT) \|\| exit 1
bc162e40	74	: ${username:=$(expr "$tagger" : '\(.*>\)')}
918c05f1	75
a10aad6a	76	trap 'rm -f "$GIT_DIR"/TAG_TMP* "$GIT_DIR"/TAG_FINALMSG "$GIT_DIR"/TAG_EDITMSG' 0
0fad0fdd JH	77
0fad0fdd JH	78	if [ "$annotate" ]; then
c882bc93 CW	79	if [ -z "$message" ]; then
	80	( echo "#"
	81	echo "# Write a tag message"
a10aad6a JH	82	echo "#" ) > "$GIT_DIR"/TAG_EDITMSG
a10aad6a JH	83	${VISUAL:-${EDITOR:-vi}} "$GIT_DIR"/TAG_EDITMSG \|\| exit
c882bc93	84	else
a10aad6a	85	echo "$message" >"$GIT_DIR"/TAG_EDITMSG
c882bc93	86	fi
d727782e	87
a10aad6a JH	88	grep -v '^#' <"$GIT_DIR"/TAG_EDITMSG \|
a10aad6a JH	89	git-stripspace >"$GIT_DIR"/TAG_FINALMSG
918c05f1	90
a10aad6a	91	[ -s "$GIT_DIR"/TAG_FINALMSG ] \|\| {
bc162e40 LT	92	echo >&2 "No tag message?"
	93	exit 1
	94	}
918c05f1	95
a10aad6a JH	96	( echo -e "object $object\ntype $type\ntag $name\ntagger $tagger\n";
	97	cat "$GIT_DIR"/TAG_FINALMSG ) >"$GIT_DIR"/TAG_TMP
	98	rm -f "$GIT_DIR"/TAG_TMP.asc "$GIT_DIR"/TAG_FINALMSG
0fad0fdd	99	if [ "$signed" ]; then
a10aad6a JH	100	gpg -bsa -u "$username" "$GIT_DIR"/TAG_TMP &&
a10aad6a JH	101	cat "$GIT_DIR"/TAG_TMP.asc >>"$GIT_DIR"/TAG_TMP \|\|
0fad0fdd JH	102	die "failed to sign the tag with GPG."
0fad0fdd JH	103	fi
a10aad6a	104	object=$(git-mktag < "$GIT_DIR"/TAG_TMP)
d727782e	105	fi
918c05f1	106
52963a7a JH	107	leading=`expr "refs/tags/$name" : '\(.*\)/'` &&
52963a7a JH	108	mkdir -p "$GIT_DIR/$leading" &&
d727782e	109	echo $object > "$GIT_DIR/refs/tags/$name"