Andrew's git - gitweb.git/blob

   1#!/bin/sh
   2# Copyright (c) 2005 Linus Torvalds
   3
   4GIT_DIR=`git-rev-parse --git-dir` || exit $?
   5
   6usage () {
   7    echo >&2 "Usage: git-tag [-a | -s | -u <key-id>] [-f | -d] [-m <msg>] <tagname> [<head>]"
   8    exit 1
   9}
  10
  11die () {
  12    echo >&2 "$*"
  13    exit 1
  14}
  15
  16annotate=
  17signed=
  18force=
  19message=
  20username=
  21while case "$#" in 0) break ;; esac
  22do
  23    case "$1" in
  24    -a)
  25        annotate=1
  26        ;;
  27    -s)
  28        annotate=1
  29        signed=1
  30        ;;
  31    -f)
  32        force=1
  33        ;;
  34    -m)
  35        annotate=1
  36        shift
  37        message="$1"
  38        ;;
  39    -u)
  40        annotate=1
  41        signed=1
  42        shift
  43        username="$1"
  44        ;;
  45    -d)
  46        shift
  47        tag_name="$1"
  48        rm "$GIT_DIR/refs/tags/$tag_name" && \
  49                echo "Deleted tag $tag_name."
  50        exit $?
  51        ;;
  52    -*)
  53        usage
  54        ;;
  55    *)
  56        break
  57        ;;
  58    esac
  59    shift
  60done
  61
  62name="$1"
  63[ "$name" ] || usage
  64if [ -e "$GIT_DIR/refs/tags/$name" -a -z "$force" ]; then
  65    die "tag '$name' already exists"
  66fi
  67shift
  68git-check-ref-format "tags/$name" ||
  69        die "we do not like '$name' as a tag name."
  70
  71object=$(git-rev-parse --verify --default HEAD "$@") || exit 1
  72type=$(git-cat-file -t $object) || exit 1
  73tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
  74: ${username:=$(expr "$tagger" : '\(.*>\)')}
  75
  76trap 'rm -f "$GIT_DIR"/TAG_TMP* "$GIT_DIR"/TAG_FINALMSG "$GIT_DIR"/TAG_EDITMSG' 0
  77
  78if [ "$annotate" ]; then
  79    if [ -z "$message" ]; then
  80        ( echo "#"
  81          echo "# Write a tag message"
  82          echo "#" ) > "$GIT_DIR"/TAG_EDITMSG
  83        ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR"/TAG_EDITMSG || exit
  84    else
  85        echo "$message" >"$GIT_DIR"/TAG_EDITMSG
  86    fi
  87
  88    grep -v '^#' <"$GIT_DIR"/TAG_EDITMSG |
  89    git-stripspace >"$GIT_DIR"/TAG_FINALMSG
  90
  91    [ -s "$GIT_DIR"/TAG_FINALMSG ] || {
  92        echo >&2 "No tag message?"
  93        exit 1
  94    }
  95
  96    ( echo -e "object $object\ntype $type\ntag $name\ntagger $tagger\n";
  97      cat "$GIT_DIR"/TAG_FINALMSG ) >"$GIT_DIR"/TAG_TMP
  98    rm -f "$GIT_DIR"/TAG_TMP.asc "$GIT_DIR"/TAG_FINALMSG
  99    if [ "$signed" ]; then
 100        gpg -bsa -u "$username" "$GIT_DIR"/TAG_TMP &&
 101        cat "$GIT_DIR"/TAG_TMP.asc >>"$GIT_DIR"/TAG_TMP ||
 102        die "failed to sign the tag with GPG."
 103    fi
 104    object=$(git-mktag < "$GIT_DIR"/TAG_TMP)
 105fi
 106
 107leading=`expr "refs/tags/$name" : '\(.*\)/'` &&
 108mkdir -p "$GIT_DIR/$leading" &&
 109echo $object > "$GIT_DIR/refs/tags/$name"