Andrew's git - gitweb.git/blob

   1#!/bin/sh
   2# Copyright (c) 2005 Linus Torvalds
   3
   4. git-sh-setup || die "Not a git archive"
   5
   6usage () {
   7    echo >&2 "Usage: git-tag [-a | -s | -u <key-id>] [-f] [-m <msg>] <tagname> [<head>]"
   8    exit 1
   9}
  10
  11annotate=
  12signed=
  13force=
  14message=
  15username=
  16while case "$#" in 0) break ;; esac
  17do
  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    -m)
  30        annotate=1
  31        shift
  32        message="$1"
  33        ;;
  34    -u)
  35        annotate=1
  36        signed=1
  37        shift
  38        username="$1"
  39        ;;
  40    -*)
  41        usage
  42        ;;
  43    *)
  44        break
  45        ;;
  46    esac
  47    shift
  48done
  49
  50name="$1"
  51[ "$name" ] || usage
  52if [ -e "$GIT_DIR/refs/tags/$name" -a -z "$force" ]; then
  53    die "tag '$name' already exists"
  54fi
  55shift
  56
  57object=$(git-rev-parse --verify --default HEAD "$@") || exit 1
  58type=$(git-cat-file -t $object) || exit 1
  59tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
  60: ${username:=$(expr "$tagger" : '\(.*>\)')}
  61
  62trap 'rm -f .tmp-tag* .tagmsg .editmsg' 0
  63
  64if [ "$annotate" ]; then
  65    if [ -z "$message" ]; then
  66        ( echo "#"
  67          echo "# Write a tag message"
  68          echo "#" ) > .editmsg
  69        ${VISUAL:-${EDITOR:-vi}} .editmsg || exit
  70    else
  71        echo "$message" > .editmsg
  72    fi
  73
  74    grep -v '^#' < .editmsg | git-stripspace > .tagmsg
  75
  76    [ -s .tagmsg ] || {
  77        echo >&2 "No tag message?"
  78        exit 1
  79    }
  80
  81    ( echo -e "object $object\ntype $type\ntag $name\ntagger $tagger\n"; cat .tagmsg ) > .tmp-tag
  82    rm -f .tmp-tag.asc .tagmsg
  83    if [ "$signed" ]; then
  84        gpg -bsa -u "$username" .tmp-tag &&
  85        cat .tmp-tag.asc >>.tmp-tag ||
  86        die "failed to sign the tag with GPG."
  87    fi
  88    object=$(git-mktag < .tmp-tag)
  89fi
  90
  91mkdir -p "$GIT_DIR/refs/tags"
  92echo $object > "$GIT_DIR/refs/tags/$name"