git-pack-objects: cache small deltas between big objects
[git/jrn.git] / git-tag.sh
blob6f0b7a72192bbeb7ca4693f40f80e2bd20d5eb03
1 #!/bin/sh
2 # Copyright (c) 2005 Linus Torvalds
4 USAGE='-l [<pattern>] | [-a | -s | -u <key-id>] [-f | -d | -v] [-m <msg>] <tagname> [<head>]'
5 SUBDIRECTORY_OK='Yes'
6 . git-sh-setup
8 message_given=
9 annotate=
10 signed=
11 force=
12 message=
13 username=
14 list=
15 verify=
16 while case "$#" in 0) break ;; esac
18 case "$1" in
19 -a)
20 annotate=1
22 -s)
23 annotate=1
24 signed=1
26 -f)
27 force=1
29 -l)
30 case "$#" in
32 set x . ;;
33 esac
34 shift
35 git rev-parse --symbolic --tags | sort | grep "$@"
36 exit $?
38 -m)
39 annotate=1
40 shift
41 message="$1"
42 if test "$#" = "0"; then
43 die "error: option -m needs an argument"
44 else
45 message_given=1
48 -F)
49 annotate=1
50 shift
51 if test "$#" = "0"; then
52 die "error: option -F needs an argument"
53 else
54 message="$(cat "$1")"
55 message_given=1
58 -u)
59 annotate=1
60 signed=1
61 shift
62 username="$1"
64 -d)
65 shift
66 had_error=0
67 for tag
69 cur=$(git-show-ref --verify --hash -- "refs/tags/$tag") || {
70 echo >&2 "Seriously, what tag are you talking about?"
71 had_error=1
72 continue
74 git-update-ref -m 'tag: delete' -d "refs/tags/$tag" "$cur" || {
75 had_error=1
76 continue
78 echo "Deleted tag $tag."
79 done
80 exit $had_error
82 -v)
83 shift
84 tag_name="$1"
85 tag=$(git-show-ref --verify --hash -- "refs/tags/$tag_name") ||
86 die "Seriously, what tag are you talking about?"
87 git-verify-tag -v "$tag"
88 exit $?
90 -*)
91 usage
94 break
96 esac
97 shift
98 done
100 name="$1"
101 [ "$name" ] || usage
102 prev=0000000000000000000000000000000000000000
103 if git-show-ref --verify --quiet -- "refs/tags/$name"
104 then
105 test -n "$force" || die "tag '$name' already exists"
106 prev=`git rev-parse "refs/tags/$name"`
108 shift
109 git-check-ref-format "tags/$name" ||
110 die "we do not like '$name' as a tag name."
112 object=$(git-rev-parse --verify --default HEAD "$@") || exit 1
113 type=$(git-cat-file -t $object) || exit 1
114 tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
116 test -n "$username" ||
117 username=$(git-repo-config user.signingkey) ||
118 username=$(expr "z$tagger" : 'z\(.*>\)')
120 trap 'rm -f "$GIT_DIR"/TAG_TMP* "$GIT_DIR"/TAG_FINALMSG "$GIT_DIR"/TAG_EDITMSG' 0
122 if [ "$annotate" ]; then
123 if [ -z "$message_given" ]; then
124 ( echo "#"
125 echo "# Write a tag message"
126 echo "#" ) > "$GIT_DIR"/TAG_EDITMSG
127 ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR"/TAG_EDITMSG || exit
128 else
129 printf '%s\n' "$message" >"$GIT_DIR"/TAG_EDITMSG
132 grep -v '^#' <"$GIT_DIR"/TAG_EDITMSG |
133 git-stripspace >"$GIT_DIR"/TAG_FINALMSG
135 [ -s "$GIT_DIR"/TAG_FINALMSG -o -n "$message_given" ] || {
136 echo >&2 "No tag message?"
137 exit 1
140 ( printf 'object %s\ntype %s\ntag %s\ntagger %s\n\n' \
141 "$object" "$type" "$name" "$tagger";
142 cat "$GIT_DIR"/TAG_FINALMSG ) >"$GIT_DIR"/TAG_TMP
143 rm -f "$GIT_DIR"/TAG_TMP.asc "$GIT_DIR"/TAG_FINALMSG
144 if [ "$signed" ]; then
145 gpg -bsa -u "$username" "$GIT_DIR"/TAG_TMP &&
146 cat "$GIT_DIR"/TAG_TMP.asc >>"$GIT_DIR"/TAG_TMP ||
147 die "failed to sign the tag with GPG."
149 object=$(git-mktag < "$GIT_DIR"/TAG_TMP)
152 git update-ref "refs/tags/$name" "$object" "$prev"