From 66c6e16563f7894ffa922c86a8d45146fa64e3b7 Mon Sep 17 00:00:00 2001
From: Alan Malta Rodrigues <alan.malta@cern.ch>
Date: Fri, 7 Jul 2023 15:42:28 -0400
Subject: [PATCH] Fix buildrelease for when there are no changes between
 releases

---
 bin/buildrelease.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bin/buildrelease.sh b/bin/buildrelease.sh
index 47c66639c0..5e64db9fb1 100755
--- a/bin/buildrelease.sh
+++ b/bin/buildrelease.sh
@@ -72,6 +72,10 @@ echo "" >> $TMP_HASHES_SUBJ_AUTHOR
 # Use github public API to fetch pull request # from commit hash
 
 cat $TMP_HASHES_SUBJ_AUTHOR | while read commitline; do
+  if [ -z "$commitline" ]
+  then
+      continue  # line is empty
+  fi
   HASH_ID=$(echo $commitline | awk '{print $1}')
   PR=$(curl -s https://api.github.com/repos/dmwm/WMCore/commits/$HASH_ID/pulls | grep -Po '\"html_url\": \"https://github.com/dmwm/WMCore/pull/\K[0-9]+' | sort | uniq)
   # remove hash_id from the commit line