WIP version output summary which handles services

See coop-cloud/organising#47.

abra

@@ -461,6 +461,29 @@ load_abra_sh() {
   fi
 }
 
+output_version_summary() {
+  echo "  Versions:"
+  IFS=':' read -ra COMPOSE_FILES <<< "$COMPOSE_FILE"
+  for COMPOSE in "${COMPOSE_FILES[@]}"; do
+    SERVICES=$(yq e '.services | keys | .[]' "${APP_DIR}/${COMPOSE_FILE}")
+    for SERVICE in $SERVICES; do
+      filter="{{index .Spec.Labels \"coop-cloud.gitea.$SERVICE.version\" }}"
+      label=$(docker service inspect -f "$filter" "gitea_$SERVICE" 2>/dev/null)
+      live_version=$(echo "$label" | cut -d- -f1)
+      live_digest=$(echo "$label" | cut -d- -f2)
+      if [ -n "$live_version" ] && [ -n "$live_digest" ]; then
+        echo "    ${STACK_NAME}_${SERVICE}:"
+        echo "      deployed: $(tput setaf 2)$live_version ($live_digest)$(tput sgr0)"
+        app_version_lookup="ABRA_TYPE_${SERVICE^^}_VERSION"
+        app_version=${!app_version_lookup}
+        app_digest_lookup="ABRA_TYPE_${SERVICE^^}_DIGEST"
+        app_digest=${!app_digest_lookup}
+        echo "      to de deployed: $(tput setaf 3)$app_version ($app_digest)$(tput sgr0)"
+      fi
+    done
+  done
+}
+
 ###### FIXME 3wc: name this section
 
 get_servers() {
@@ -933,6 +956,8 @@ sub_app_deploy (){
 
   echo "  Stack: $(tput setaf 1)${STACK_NAME}$(tput sgr0)"
 
+  output_version_summary
+
   prompt_confirm
 
   APP=$(basename "$APP_DIR")