git-tag.shon commit Makefile: allow generating git.o for debugging purposes (334d28a)
   1#!/bin/sh
   2# Copyright (c) 2005 Linus Torvalds
   3
   4USAGE='[-n [<num>]] -l [<pattern>] | [-a | -s | -u <key-id>] [-f | -d | -v] [-m <msg>] <tagname> [<head>]'
   5SUBDIRECTORY_OK='Yes'
   6. git-sh-setup
   7
   8message_given=
   9annotate=
  10signed=
  11force=
  12message=
  13username=
  14list=
  15verify=
  16LINES=0
  17while case "$#" in 0) break ;; esac
  18do
  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 $?
 117        ;;
 118    -*)
 119        usage
 120        ;;
 121    *)
 122        break
 123        ;;
 124    esac
 125    shift
 126done
 127
 128[ -n "$list" ] && exit 0
 129
 130name="$1"
 131[ "$name" ] || usage
 132prev=0000000000000000000000000000000000000000
 133if git-show-ref --verify --quiet -- "refs/tags/$name"
 134then
 135    test -n "$force" || die "tag '$name' already exists"
 136    prev=`git rev-parse "refs/tags/$name"`
 137fi
 138shift
 139git-check-ref-format "tags/$name" ||
 140        die "we do not like '$name' as a tag name."
 141
 142object=$(git-rev-parse --verify --default HEAD "$@") || exit 1
 143type=$(git-cat-file -t $object) || exit 1
 144tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
 145
 146test -n "$username" ||
 147        username=$(git-repo-config user.signingkey) ||
 148        username=$(expr "z$tagger" : 'z\(.*>\)')
 149
 150trap 'rm -f "$GIT_DIR"/TAG_TMP* "$GIT_DIR"/TAG_FINALMSG "$GIT_DIR"/TAG_EDITMSG' 0
 151
 152if [ "$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)
 180fi
 181
 182git update-ref "refs/tags/$name" "$object" "$prev"