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