From 0e21390d1c889d727f4809d7509b449ea27620f0 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Wed, 14 Mar 2018 07:23:55 +1100
Subject: [PATCH] check_commits: exit early if there are no commits

---
 check_commits | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/check_commits b/check_commits
index 6fc5265..37457e7 100755
--- a/check_commits
+++ b/check_commits
@@ -5,7 +5,13 @@ if [ "$#" -lt 1 ]; then
 	exit 1
 fi
 
-for c in $(git rev-list --no-merges "$@"); do
+commits=$(git rev-list --no-merges "$@")
+if [ -z "$commits" ]; then
+	printf "No commits\n"
+	exit 0
+fi
+
+for c in $commits; do
 	ae=$(git log -1 --format='%ae' "$c")
 	aE=$(git log -1 --format='%aE' "$c")
 	an=$(git log -1 --format='%an' "$c")
-- 
2.39.2