summaryrefslogtreecommitdiff
path: root/git-verify-tag.sh
blob: 36f171b3028a3460c1c51f9c1f5747a9a0d2d850 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
#!/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
 
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"