first process rebuilds, then new installations

EESSI-install-software.sh

@@ -208,7 +208,10 @@ if [ -z ${changed_easystacks} ]; then
     echo "No missing installations, party time!"  # Ensure the bot report success, as there was nothing to be build here
 else
 
-    for easystack_file in ${changed_easystacks}; do
+    # first process rebuilds if any, then easystack files for new installations
+    rebuild_easystacks=$(echo "${changed_easystacks} | grep /rebuilds/ || true)
+    new_easystacks=$(echo "${changed_easystacks} | grep -v /rebuilds/ || true)
+    for easystack_file in ${rebuild_easystacks} ${new_easystacks}; do
 
         echo -e "Processing easystack file ${easystack_file}...\n\n"