Andrew's git / gitweb.git /
76c1bcd8c9b5a42d4dedab2f3ea7261d91427538
   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] [-f] [-m "tag message"] tagname"
   8    exit 1
   9}
  10
  11annotate=
  12signed=
  13force=
  14message=
  15while case "$#" in 0) break ;; esac
  16do
  17    case "$1" in
  18    -a)
  19        annotate=1
  20        ;;
  21    -s)
  22        annotate=1
  23        signed=1
  24        ;;
  25    -f)
  26        force=1
  27        ;;
  28    -m)
  29        annotate=1
  30        shift
  31        message="$1"
  32        ;;
  33    -*)
  34        usage
  35        ;;
  36    *)
  37        break
  38        ;;
  39    esac
  40    shift
  41done
  42
  43name="$1"
  44[ "$name" ] || usage
  45if [ -e "$GIT_DIR/refs/tags/$name" -a -z "$force" ]; then
  46    die "tag '$name' already exists"
  47fi
  48shift
  49
  50object=$(git-rev-parse --verify --default HEAD "$@") || exit 1
  51type=$(git-cat-file -t $object) || exit 1
  52tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
  53
  54trap 'rm -f .tmp-tag* .tagmsg .editmsg' 0
  55
  56if [ "$annotate" ]; then
  57    if [ -z "$message" ]; then
  58        ( echo "#"
  59          echo "# Write a tag message"
  60          echo "#" ) > .editmsg
  61        ${VISUAL:-${EDITOR:-vi}} .editmsg || exit
  62    else
  63        echo "$message" > .editmsg
  64    fi
  65
  66    grep -v '^#' < .editmsg | git-stripspace > .tagmsg
  67
  68    [ -s .tagmsg ] || exit
  69
  70    ( echo -e "object $object\ntype $type\ntag $name\ntagger $tagger\n"; cat .tagmsg ) > .tmp-tag
  71    rm -f .tmp-tag.asc .tagmsg
  72    if [ "$signed" ]; then
  73        me=$(expr "$tagger" : '\(.*>\)') &&
  74        gpg -bsa -u "$me" .tmp-tag &&
  75        cat .tmp-tag.asc >>.tmp-tag ||
  76        die "failed to sign the tag with GPG."
  77    fi
  78    object=$(git-mktag < .tmp-tag)
  79fi
  80
  81mkdir -p "$GIT_DIR/refs/tags"
  82echo $object > "$GIT_DIR/refs/tags/$name"