From 616effa906af385cb208053110a501b7669c3f36 Mon Sep 17 00:00:00 2001
From: Michal Suchanek <msuchanek@suse.de>
Date: Jan 18 2022 19:21:36 +0000
Subject: scripts/git-pre-commit: Detect empty patches.


---

diff --git a/scripts/git-pre-commit b/scripts/git-pre-commit
index e8161e9..8d816bd 100755
--- a/scripts/git-pre-commit
+++ b/scripts/git-pre-commit
@@ -43,6 +43,10 @@ while read stat file garbage; do
     case "$file" in
     patches.*/*)
         git cat-file blob :$file >"$tmp"
+	if [ -z "$(diffstat -p1 -l "$tmp")" ] ; then
+		echo "$file" is empty patch
+		err=1
+	fi
         "$dir/check-patchhdr" $update --stdin "$file" <"$tmp" || err=1
         "$dir/check-patchfmt" --stdin "$file" <"$tmp" || err=1
 	"$dir/check-patch-blacklist" $(dirname "$dir")/blacklist.conf "$file" <$tmp || err=1