From ae9a7e62f921a4e456e9039c6b8f83434111ff61 Mon Sep 17 00:00:00 2001
From: Fabian Arrotin <arrfab@centos.org>
Date: Feb 17 2022 12:25:45 +0000
Subject: Backported alphacc's fix for el7/cbs and bash 4.2 (https://git.centos.org/rpms/centpkg-minimal/c/ca63b53c8bde1efc91d55548f194dbecbf457cad?branch=c7-sig-core)


Signed-off-by: Fabian Arrotin <arrfab@centos.org>

---

diff --git a/get_sources.sh b/get_sources.sh
index 88c7955..890cc35 100755
--- a/get_sources.sh
+++ b/get_sources.sh
@@ -139,9 +139,9 @@ else
     if [ ".${line:0:1}" = ".*" ]
     then
       # current branch, put it first
-      branches=("$branch" "${branches[@]}")
+      branches=("${branch}" ${branches[@]+"${branches[@]}"})
     else
-      branches=("${branches[@]}" "$branch")
+      branches=(${branches[@]+"${branches[@]}"} "${branch}")
     fi
   done <<< "$(git branch -r --contains HEAD | sed 's#origin/##g')"
 fi