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 $OBJTYPE in
  54                 tag)    ANNOTATION=$(git cat-file tag "$TAG" |
  55                                        sed -e '1,/^$/d' \
  56                                            -e '/^-----BEGIN PGP SIGNATURE-----$/Q' )
  57                         printf "%-15s %s\n" "$TAG" "$ANNOTATION" |
  58                           sed -e '2,$s/^/    /' \
  59                               -e "${LINES}q"
  60                         ;;
  61                 *)      echo "$TAG"
  62                         ;;
  63                 esac
  64             done
  65         ;;
  66     -m)
  67         annotate=1
  68         shift
  69         message="$1"
  70         if test "$#" = "0"; then
  71             die "error: option -m needs an argument"
  72         else
  73             message_given=1
  74         fi
  75         ;;
  76     -F)
  77         annotate=1
  78         shift
  79         if test "$#" = "0"; then
  80             die "error: option -F needs an argument"
  81         else
  82             message="$(cat "$1")"
  83             message_given=1
  84         fi
  85         ;;
  86     -u)
  87         annotate=1
  88         signed=1
  89         shift
  90         username="$1"
  91         ;;
  92     -d)
  93         shift
  94         had_error=0
  95         for tag
  96         do
  97                 cur=$(git-show-ref --verify --hash -- "refs/tags/$tag") || {
  98                         echo >&2 "Seriously, what tag are you talking about?"
  99                         had_error=1
 100                         continue
 101                 }
 102                 git-update-ref -m 'tag: delete' -d "refs/tags/$tag" "$cur" || {
 103                         had_error=1
 104                         continue
 105                 }
 106                 echo "Deleted tag $tag."
 107         done
 108         exit $had_error
 109         ;;
 110     -v)
 111         shift
 112         tag_name="$1"
 113         tag=$(git-show-ref --verify --hash -- "refs/tags/$tag_name") ||
 114                 die "Seriously, what tag are you talking about?"
 115         git-verify-tag -v "$tag"
 116         exit $?
 117         ;;
 118     -*)
 119         usage
 120         ;;
 121     *)
 122         break
 123         ;;
 124     esac
 125     shift
 126 done
 127
 128 [ -n "$list" ] && exit 0
 129
 130 name="$1"
 131 [ "$name" ] || usage
 132 prev=0000000000000000000000000000000000000000
 133 if git-show-ref --verify --quiet -- "refs/tags/$name"
 134 then
 135     test -n "$force" || die "tag '$name' already exists"
 136     prev=`git rev-parse "refs/tags/$name"`
 137 fi
 138 shift
 139 git-check-ref-format "tags/$name" ||
 140         die "we do not like '$name' as a tag name."
 141
 142 object=$(git-rev-parse --verify --default HEAD "$@") || exit 1
 143 type=$(git-cat-file -t $object) || exit 1
 144 tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
 145
 146 test -n "$username" ||
 147         username=$(git-repo-config user.signingkey) ||
 148         username=$(expr "z$tagger" : 'z\(.*>\)')
 149
 150 trap 'rm -f "$GIT_DIR"/TAG_TMP* "$GIT_DIR"/TAG_FINALMSG "$GIT_DIR"/TAG_EDITMSG' 0
 151
 152 if [ "$annotate" ]; then
 153     if [ -z "$message_given" ]; then
 154         ( echo "#"
 155           echo "# Write a tag message"
 156           echo "#" ) > "$GIT_DIR"/TAG_EDITMSG
 157         ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR"/TAG_EDITMSG || exit
 158     else
 159         printf '%s\n' "$message" >"$GIT_DIR"/TAG_EDITMSG
 160     fi
 161
 162     grep -v '^#' <"$GIT_DIR"/TAG_EDITMSG |
 163     git-stripspace >"$GIT_DIR"/TAG_FINALMSG
 164
 165     [ -s "$GIT_DIR"/TAG_FINALMSG -o -n "$message_given" ] || {
 166         echo >&2 "No tag message?"
 167         exit 1
 168     }
 169
 170     ( printf 'object %s\ntype %s\ntag %s\ntagger %s\n\n' \
 171         "$object" "$type" "$name" "$tagger";
 172       cat "$GIT_DIR"/TAG_FINALMSG ) >"$GIT_DIR"/TAG_TMP
 173     rm -f "$GIT_DIR"/TAG_TMP.asc "$GIT_DIR"/TAG_FINALMSG
 174     if [ "$signed" ]; then
 175         gpg -bsa -u "$username" "$GIT_DIR"/TAG_TMP &&
 176         cat "$GIT_DIR"/TAG_TMP.asc >>"$GIT_DIR"/TAG_TMP ||
 177         die "failed to sign the tag with GPG."
 178     fi
 179     object=$(git-mktag < "$GIT_DIR"/TAG_TMP)
 180 fi
 181
 182 git update-ref "refs/tags/$name" "$object" "$prev"