Warning if not tag generated

docker · Mar 28, 2021 · 3acf607 · 3acf607
1 parent 6b5db9f
commit 3acf607
Show file tree

Hide file tree

Showing 2 changed files with 32 additions and 14 deletions.
diff --git a/dist/index.js b/dist/index.js
diff --git a/src/main.ts b/src/main.ts
@@ -29,18 +29,26 @@ async function run() {
     const meta: Meta = new Meta(inputs, context, repo);
 
     const version: Version = meta.version;
-    core.startGroup(`Docker image version`);
-    core.info(version.main || '');
-    core.endGroup();
+    if (meta.version.main == undefined || meta.version.main.length == 0) {
+      core.warning(`Docker image version not found. Check tags input.`);
+    } else {
+      core.startGroup(`Docker image version`);
+      core.info(version.main || '');
+      core.endGroup();
+    }
     core.setOutput('version', version.main || '');
 
     // Docker tags
     const tags: Array<string> = meta.getTags();
-    core.startGroup(`Docker tags`);
-    for (let tag of tags) {
-      core.info(tag);
+    if (tags.length == 0) {
+      core.warning('No tag has been generated. Check tags input.');
+    } else {
+      core.startGroup(`Docker tags`);
+      for (let tag of tags) {
+        core.info(tag);
+      }
+      core.endGroup();
     }
-    core.endGroup();
     core.setOutput('tags', tags.join(inputs.sepTags));
 
     // Docker labels