From c7692a249e6ed4cac8efd97279aee1023a6adf3b Mon Sep 17 00:00:00 2001
From: "martin f. krafft" <madduck@debian.org>
Date: Thu, 20 Nov 2008 15:04:48 +0100
Subject: [PATCH] Require an argument to tg -r

Right now, if -r is passed to tg, an ugly shift error occurs. This patch
checks for that case and outputs the help message if it occurs.

Signed-off-by: martin f. krafft <madduck@debian.org>
Acked-by: Petr Baudis <pasky@suse.cz>
---
 tg.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tg.sh b/tg.sh
index 4dcc15e..afdcdda 100644
--- a/tg.sh
+++ b/tg.sh
@@ -261,7 +261,13 @@ setup_hook "pre-commit"
 [ -z "$tg__include" ] || return 0
 
 if [ "$1" = "-r" ]; then
-	shift; base_remote="$1"; shift
+	shift
+	if [ -z "$1" ]; then
+		echo "Option -r requires an argument." >&2
+		do_help
+		exit 1
+	fi
+	base_remote="$1"; shift
 	tg="$tg -r $base_remote"
 fi
 
-- 
2.30.2