-declare -a images
-declare -a cfg_images
-declare -a yaml_images
-readarray -t cfg_images <<< "$(grep -r IMAGE_NAME --include \*.cfg \
- | awk -F'=' '{print $2}' | sort -u)"
-readarray -t yaml_images <<< "$(grep -r 'ZZCI - ' --include \*.yaml \
- | awk -F": " '{print $3}' | sed "s:'::;s:'$::;/^$/d" | sort -u)"
-mapfile -t images < <(for R in "${cfg_images[@]}" "${yaml_images[@]}" ; do echo "$R" ; done | sort -u)
-
+conf_images=("$(grep -r IMAGE_NAME --include \*.cfg jenkins-config \
+ | awk -F'=' '{print $2}' | sort -u)")
+# If there are no yaml files the 'grep' will fail, which is OK
+yaml_images=("$(grep -r 'ZZCI - ' --include \*.yaml jjb \
+ | awk -F": " '{print $3}' | sed "s:'::;s:'$::;/^$/d" \
+ | sort -u)") || true
+readarray -t images <<< "$(for i in "${conf_images[@]}" "${yaml_images[@]}"; do \
+ echo "$i"; done | sort)"