16efc5b70ac7ea4f0770530845e35091e71feab6
1#!/bin/sh
2# Copyright (c) 2005 Linus Torvalds
3
4. git-sh-setup
5
6usage () {
7 echo >&2 "Usage: git-tag [-a | -s | -u <key-id>] [-f | -d] [-m <msg>] <tagname> [<head>]"
8 exit 1
9}
10
11annotate=
12signed=
13force=
14message=
15username=
16while case "$#" in 0) break ;; esac
17do
18 case "$1" in
19 -a)
20 annotate=1
21 ;;
22 -s)
23 annotate=1
24 signed=1
25 ;;
26 -f)
27 force=1
28 ;;
29 -m)
30 annotate=1
31 shift
32 message="$1"
33 ;;
34 -u)
35 annotate=1
36 signed=1
37 shift
38 username="$1"
39 ;;
40 -d)
41 shift
42 tag_name="$1"
43 rm "$GIT_DIR/refs/tags/$tag_name" && \
44 echo "Deleted tag $tag_name."
45 exit $?
46 ;;
47 -*)
48 usage
49 ;;
50 *)
51 break
52 ;;
53 esac
54 shift
55done
56
57name="$1"
58[ "$name" ] || usage
59if [ -e "$GIT_DIR/refs/tags/$name" -a -z "$force" ]; then
60 die "tag '$name' already exists"
61fi
62shift
63git-check-ref-format "tags/$name" ||
64 die "we do not like '$name' as a tag name."
65
66object=$(git-rev-parse --verify --default HEAD "$@") || exit 1
67type=$(git-cat-file -t $object) || exit 1
68tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
69: ${username:=$(expr "$tagger" : '\(.*>\)')}
70
71trap 'rm -f "$GIT_DIR"/TAG_TMP* "$GIT_DIR"/TAG_FINALMSG "$GIT_DIR"/TAG_EDITMSG' 0
72
73if [ "$annotate" ]; then
74 if [ -z "$message" ]; then
75 ( echo "#"
76 echo "# Write a tag message"
77 echo "#" ) > "$GIT_DIR"/TAG_EDITMSG
78 ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR"/TAG_EDITMSG || exit
79 else
80 echo "$message" >"$GIT_DIR"/TAG_EDITMSG
81 fi
82
83 grep -v '^#' <"$GIT_DIR"/TAG_EDITMSG |
84 git-stripspace >"$GIT_DIR"/TAG_FINALMSG
85
86 [ -s "$GIT_DIR"/TAG_FINALMSG ] || {
87 echo >&2 "No tag message?"
88 exit 1
89 }
90
91 ( echo -e "object $object\ntype $type\ntag $name\ntagger $tagger\n";
92 cat "$GIT_DIR"/TAG_FINALMSG ) >"$GIT_DIR"/TAG_TMP
93 rm -f "$GIT_DIR"/TAG_TMP.asc "$GIT_DIR"/TAG_FINALMSG
94 if [ "$signed" ]; then
95 gpg -bsa -u "$username" "$GIT_DIR"/TAG_TMP &&
96 cat "$GIT_DIR"/TAG_TMP.asc >>"$GIT_DIR"/TAG_TMP ||
97 die "failed to sign the tag with GPG."
98 fi
99 object=$(git-mktag < "$GIT_DIR"/TAG_TMP)
100fi
101
102leading=`expr "refs/tags/$name" : '\(.*\)/'` &&
103mkdir -p "$GIT_DIR/$leading" &&
104echo $object > "$GIT_DIR/refs/tags/$name"