From cbf22398188b388c1912366cf4050697ab1b1f5c Mon Sep 17 00:00:00 2001
From: Johannes Meyer <johannes.meyer@icinga.com>
Date: Tue, 28 Apr 2020 11:21:36 +0200
Subject: [PATCH] bin/update: Fix early exit if no changes are found

---
 bin/update | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/bin/update b/bin/update
index 057b512f..16fd46e8 100755
--- a/bin/update
+++ b/bin/update
@@ -90,8 +90,13 @@ for repo_name in "${FETCHED_REPOS[@]}"; do
 done
 
 # Check for changes (new messages) that need to be committed
-CHANGES=$(git diff -U0 | grep -Pe '^[+-]{1}[^+-]+' | grep -v -e '."Project-Id-Version:' -e '."POT-Creation-Date:');
-if [ -z "$CHANGES" ]; then
+CHANGES=1
+git diff -U0 \
+  | grep -Pe '^[+-]{1}[^+-]+' \
+  | grep -qv -e '."Project-Id-Version:' -e '."POT-Creation-Date:' \
+|| CHANGES=0
+
+if [ ! $CHANGES ]; then
   echo "No new messages found.";
   git checkout icinga.pot;
 else