1#!/bin/sh
2# Copyright (c) 2005 Linus Torvalds
3
4USAGE='[-n [<num>]] -l [<pattern>] | [-a | -s | -u <key-id>] [-f | -d | -v] [-m <msg>] <tagname> [<head>]'
5SUBDIRECTORY_OK='Yes'
6. git-sh-setup
7
8message_given=
9annotate=
10signed=
11force=
12message=
13username=
14list=
15verify=
16LINES=0
17while case "$#" in 0) break ;; esac
18do
19 case "$1" in
20 -a)
21 annotate=1
22 shift
23 ;;
24 -s)
25 annotate=1
26 signed=1
27 shift
28 ;;
29 -f)
30 force=1
31 shift
32 ;;
33 -n)
34 case "$#,$2" in
35 1,* | *,-*)
36 LINES=1 # no argument
37 ;;
38 *) shift
39 LINES=$(expr "$1" : '\([0-9]*\)')
40 [ -z "$LINES" ] && LINES=1 # 1 line is default when -n is used
41 ;;
42 esac
43 shift
44 ;;
45 -l)
46 list=1
47 shift
48 case $# in
49 0) PATTERN=
50 ;;
51 *)
52 PATTERN="$1" # select tags by shell pattern, not re
53 shift
54 ;;
55 esac
56 git rev-parse --symbolic --tags | sort |
57 while read TAG
58 do
59 case "$TAG" in
60 *$PATTERN*) ;;
61 *) continue ;;
62 esac
63 [ "$LINES" -le 0 ] && { echo "$TAG"; continue ;}
64 OBJTYPE=$(git cat-file -t "$TAG")
65 case $OBJTYPE in
66 tag)
67 ANNOTATION=$(git cat-file tag "$TAG" |
68 sed -e '1,/^$/d' |
69 sed -n -e "
70 /^-----BEGIN PGP SIGNATURE-----\$/q
71 2,\$s/^/ /
72 p
73 ${LINES}q
74 ")
75 printf "%-15s %s\n" "$TAG" "$ANNOTATION"
76 ;;
77 *) echo "$TAG"
78 ;;
79 esac
80 done
81 ;;
82 -m)
83 annotate=1
84 shift
85 message="$1"
86 if test "$#" = "0"; then
87 die "error: option -m needs an argument"
88 else
89 message="$1"
90 message_given=1
91 shift
92 fi
93 ;;
94 -F)
95 annotate=1
96 shift
97 if test "$#" = "0"; then
98 die "error: option -F needs an argument"
99 else
100 message="$(cat "$1")"
101 message_given=1
102 shift
103 fi
104 ;;
105 -u)
106 annotate=1
107 signed=1
108 shift
109 if test "$#" = "0"; then
110 die "error: option -u needs an argument"
111 else
112 username="$1"
113 shift
114 fi
115 ;;
116 -d)
117 shift
118 had_error=0
119 for tag
120 do
121 cur=$(git show-ref --verify --hash -- "refs/tags/$tag") || {
122 echo >&2 "Seriously, what tag are you talking about?"
123 had_error=1
124 continue
125 }
126 git update-ref -m 'tag: delete' -d "refs/tags/$tag" "$cur" || {
127 had_error=1
128 continue
129 }
130 echo "Deleted tag $tag."
131 done
132 exit $had_error
133 ;;
134 -v)
135 shift
136 tag_name="$1"
137 tag=$(git show-ref --verify --hash -- "refs/tags/$tag_name") ||
138 die "Seriously, what tag are you talking about?"
139 git-verify-tag -v "$tag"
140 exit $?
141 ;;
142 -*)
143 usage
144 ;;
145 *)
146 break
147 ;;
148 esac
149done
150
151[ -n "$list" ] && exit 0
152
153name="$1"
154[ "$name" ] || usage
155prev=0000000000000000000000000000000000000000
156if git show-ref --verify --quiet -- "refs/tags/$name"
157then
158 test -n "$force" || die "tag '$name' already exists"
159 prev=`git rev-parse "refs/tags/$name"`
160fi
161shift
162git check-ref-format "tags/$name" ||
163 die "we do not like '$name' as a tag name."
164
165object=$(git rev-parse --verify --default HEAD "$@") || exit 1
166type=$(git cat-file -t $object) || exit 1
167tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
168
169test -n "$username" ||
170 username=$(git repo-config user.signingkey) ||
171 username=$(expr "z$tagger" : 'z\(.*>\)')
172
173trap 'rm -f "$GIT_DIR"/TAG_TMP* "$GIT_DIR"/TAG_FINALMSG "$GIT_DIR"/TAG_EDITMSG' 0
174
175if [ "$annotate" ]; then
176 if [ -z "$message_given" ]; then
177 ( echo "#"
178 echo "# Write a tag message"
179 echo "#" ) > "$GIT_DIR"/TAG_EDITMSG
180 ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR"/TAG_EDITMSG || exit
181 else
182 printf '%s\n' "$message" >"$GIT_DIR"/TAG_EDITMSG
183 fi
184
185 grep -v '^#' <"$GIT_DIR"/TAG_EDITMSG |
186 git stripspace >"$GIT_DIR"/TAG_FINALMSG
187
188 [ -s "$GIT_DIR"/TAG_FINALMSG -o -n "$message_given" ] || {
189 echo >&2 "No tag message?"
190 exit 1
191 }
192
193 ( printf 'object %s\ntype %s\ntag %s\ntagger %s\n\n' \
194 "$object" "$type" "$name" "$tagger";
195 cat "$GIT_DIR"/TAG_FINALMSG ) >"$GIT_DIR"/TAG_TMP
196 rm -f "$GIT_DIR"/TAG_TMP.asc "$GIT_DIR"/TAG_FINALMSG
197 if [ "$signed" ]; then
198 gpg -bsa -u "$username" "$GIT_DIR"/TAG_TMP &&
199 cat "$GIT_DIR"/TAG_TMP.asc >>"$GIT_DIR"/TAG_TMP ||
200 die "failed to sign the tag with GPG."
201 fi
202 object=$(git-mktag < "$GIT_DIR"/TAG_TMP)
203fi
204
205git update-ref "refs/tags/$name" "$object" "$prev"