git/git-tag-script
Junio C Hamano 0fad0fdd4b git-tag-script updates.
This adds -a (annotate only but not sign) option "A Large Angry
SCM" <gitzilla@gmail.com> sent to the list, after fixing up the
whitespace corruption in the patch, with some of my own fixes.
Namely:

 * A new flag '-a' can be used to create an unsigned tag
   object;

 * The '-f' flag logic did not do the right thing;

 * When creating a signed tag, we did not check for GPG failure
   as we should;

 * Try to use the key for the tagger identity when signing the
   tag.

Signed-off-by: Junio C Hamano <junkio@cox.net>
2005-07-25 15:24:53 -07:00

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#!/bin/sh
# Copyright (c) 2005 Linus Torvalds
. git-sh-setup-script || die "Not a git archive"
usage () {
echo >&2 "Usage: git-tag-script [-a | -s] [-f] tagname"
exit 1
}
annotate=
signed=
force=
while case "$#" in 0) break ;; esac
do
case "$1" in
-a)
annotate=1
;;
-s)
annotate=1
signed=1
;;
-f)
force=1
;;
-*)
usage
;;
*)
break
;;
esac
shift
done
name="$1"
[ "$name" ] || usage
if [ -e "$GIT_DIR/refs/tags/$name" -a -z "$force" ]; then
die "tag '$name' already exists"
fi
shift
object=$(git-rev-parse --verify --revs-only --default HEAD "$@") || exit 1
type=$(git-cat-file -t $object) || exit 1
tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
trap 'rm -f .tmp-tag* .tagmsg .editmsg' 0
if [ "$annotate" ]; then
( echo "#"
echo "# Write a tag message"
echo "#" ) > .editmsg
${VISUAL:-${EDITOR:-vi}} .editmsg || exit
grep -v '^#' < .editmsg | git-stripspace > .tagmsg
[ -s .tagmsg ] || exit
( echo -e "object $object\ntype $type\ntag $name\ntagger $tagger\n"; cat .tagmsg ) > .tmp-tag
rm -f .tmp-tag.asc .tagmsg
if [ "$signed" ]; then
me=$(expr "$tagger" : '\(.*>\)') &&
gpg -bsa -u "$me" .tmp-tag &&
cat .tmp-tag.asc >>.tmp-tag ||
die "failed to sign the tag with GPG."
fi
object=$(git-mktag < .tmp-tag)
fi
mkdir -p "$GIT_DIR/refs/tags"
echo $object > "$GIT_DIR/refs/tags/$name"