git-tag.sh

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