builtin-grep: documentation

diff --git a/git-verify-tag.sh b/git-verify-tag.sh
index 1f44da53496e880395286dafb431b9c3095df9f1..36f171b3028a3460c1c51f9c1f5747a9a0d2d850 100755 (executable)
--- a/git-verify-tag.sh
+++ b/git-verify-tag.sh
@@ -1,11 +1,25 @@
 #!/bin/sh
 
-GIT_DIR=`git-rev-parse --git-dir` || exit $?
+USAGE='<tag>'
+SUBDIRECTORY_OK='Yes'
+. git-sh-setup
 
-die () {
-    echo >&2 "$*"
-    exit 1
-}
+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 "$1: no such object."
@@ -13,6 +27,13 @@ type="$(git-cat-file -t "$1" 2>/dev/null)" ||
 test "$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' |