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#!/bin/sh
USAGE='<tag>'
SUBDIRECTORY_OK='Yes'
. git-sh-setup
verbose=
while case $# in 0) break;; esac
do
case "$1" in
-v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
verbose=t ;;
*)
break ;;
esac
shift
done
if [ "$#" != "1" ]
then
usage
fi
type="$(git-cat-file -t "$1" 2>/dev/null)" ||
die "$1: no such object."
test "$type" = tag ||
die "$1: cannot verify a non-tag object of type $type."
case "$verbose" in
t)
git-cat-file -p "$1" |
sed -n -e '/^-----BEGIN PGP SIGNATURE-----/q' -e p
;;
esac
trap 'rm -f "$GIT_DIR/.tmp-vtag"' 0
git-cat-file tag "$1" >"$GIT_DIR/.tmp-vtag" || exit 1
cat "$GIT_DIR/.tmp-vtag" |
sed '/-----BEGIN PGP/Q' |
gpg --verify "$GIT_DIR/.tmp-vtag" - || exit 1
rm -f "$GIT_DIR/.tmp-vtag"
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