From 391a00aed0fc73e306be831499818c5b60da3360 Mon Sep 17 00:00:00 2001
From: Benjamin C Meyer <ben@meyerhome.net>
Date: Sat, 20 Mar 2010 16:59:40 -0400
Subject: Verify that all required arguments are passed in and return with an
 error if they are not.

Signed-off-by: Benjamin C Meyer <ben@meyerhome.net>
---
 git-hooks | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/git-hooks b/git-hooks
index 9e4e7e2..89b0489 100755
--- a/git-hooks
+++ b/git-hooks
@@ -47,6 +47,10 @@ function list_hooks_in_dir
 function run_hooks
 {
     dir="${1}"
+    if [[ -z ${dir} || ! -d "${dir}" ]] ; then
+        echo "run_hooks requires a directory name as an argument."
+        return 1
+    fi
     shift 1
     for hook in `list_hooks_in_dir "${dir}"`
     do
@@ -63,6 +67,10 @@ function run_hook
 {
     set -e
     hook=`basename "${1}"`
+    if [ -z ${hook} ] ; then
+        echo "run requires a hook argument"
+        return 1
+    fi
     shift 1
     for dir in `hook_dirs "${hook}"`; do
         if [ ! -d "${dir}" ] ; then
-- 
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