git-tag.sh

   1 #!/bin/sh
   2 # Copyright (c) 2005 Linus Torvalds
   3
   4 USAGE='-l [<pattern>] | [-a | -s | -u <key-id>] [-f | -d | -v] [-m <msg>] <tagname> [<head>]'
   5 SUBDIRECTORY_OK='Yes'
   6 . git-sh-setup
   7
   8 message_given=
   9 annotate=
  10 signed=
  11 force=
  12 message=
  13 username=
  14 list=
  15 verify=
  16 while case "$#" in 0) break ;; esac
  17 do
  18     case "$1" in
  19     -a)
  20         annotate=1
  21         ;;
  22     -s)
  23         annotate=1
  24         signed=1
  25         ;;
  26     -f)
  27         force=1
  28         ;;
  29     -l)
  30         case "$#" in
  31         1)
  32                 set x . ;;
  33         esac
  34         shift
  35         git rev-parse --symbolic --tags | sort | grep "$@"
  36         exit $?
  37         ;;
  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
  46         fi
  47         ;;
  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
  56         fi
  57         ;;
  58     -u)
  59         annotate=1
  60         signed=1
  61         shift
  62         username="$1"
  63         ;;
  64     -d)
  65         shift
  66         had_error=0
  67         for tag
  68         do
  69                 cur=$(git-show-ref --verify --hash -- "refs/tags/$tag") || {
  70                         echo >&2 "Seriously, what tag are you talking about?"
  71                         had_error=1
  72                         continue
  73                 }
  74                 git-update-ref -m 'tag: delete' -d "refs/tags/$tag" "$cur" || {
  75                         had_error=1
  76                         continue
  77                 }
  78                 echo "Deleted tag $tag."
  79         done
  80         exit $had_error
  81         ;;
  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 $?
  89         ;;
  90     -*)
  91         usage
  92         ;;
  93     *)
  94         break
  95         ;;
  96     esac
  97     shift
  98 done
  99
 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"`
 107 fi
 108 shift
 109 git-check-ref-format "tags/$name" ||
 110         die "we do not like '$name' as a tag name."
 111
 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
 115
 116 test -n "$username" ||
 117         username=$(git-repo-config user.signingkey) ||
 118         username=$(expr "z$tagger" : 'z\(.*>\)')
 119
 120 trap 'rm -f "$GIT_DIR"/TAG_TMP* "$GIT_DIR"/TAG_FINALMSG "$GIT_DIR"/TAG_EDITMSG' 0
 121
 122 if [ "$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" >"$GIT_DIR"/TAG_EDITMSG
 130     fi
 131
 132     grep -v '^#' <"$GIT_DIR"/TAG_EDITMSG |
 133     git-stripspace >"$GIT_DIR"/TAG_FINALMSG
 134
 135     [ -s "$GIT_DIR"/TAG_FINALMSG -o -n "$message_given" ] || {
 136         echo >&2 "No tag message?"
 137         exit 1
 138     }
 139
 140     ( printf 'object %s\ntype %s\ntag %s\ntagger %s\n\n' \
 141         "$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."
 148     fi
 149     object=$(git-mktag < "$GIT_DIR"/TAG_TMP)
 150 fi
 151
 152 git update-ref "refs/tags/$name" "$object" "$prev"
 153