Fix: workflows using comment-aggregator are failing on trunk (https://github.com/woocommerce/woocommerce-blocks/pull/8010)

plugins/woocommerce-blocks/.github/comments-aggregator/README.md

@@ -28,7 +28,7 @@ This action is meant to be used as the poster/commenter. Instead of having exist
 
 - **`repo-token`** (required): This is the GitHub token. This is required to manipulate PR comments.
 - **`section-id`** (required): The unique ID that helps this action to update the correct part of the aggregated comment.
-- **`content`** (required): The comment content.
+- **`content`** (option): The comment content. Default to empty. If nothing was provided, this action will stop gracefully.
 - **`order`** (optional): The order of the comment part inside the aggregated comment. Default to 10.
 
 ## More examples

plugins/woocommerce-blocks/.github/comments-aggregator/action.yml

@@ -9,7 +9,7 @@ inputs:
         required: true
     content:
         description: 'Comment content'
-        required: true
+        default: ''
     order:
         description: 'Order of the comment'
         required: false 

plugins/woocommerce-blocks/.github/comments-aggregator/index.js

@@ -16,12 +16,17 @@ const runner = async () => {
 		const payload = context.payload;
 		const repo = payload.repository.name;
 		const owner = payload.repository.owner.login;
+
+		// Only run this action on pull requests.
+		if ( ! payload.pull_request?.number ) {
+			return;
+		}
+
 		const sectionId = getInput( 'section-id', {
 			required: true,
 		} );
-		const content = getInput( 'content', {
-			required: true,
-		} );
+
+		const content = getInput( 'content' );
 		const order = getInput( 'order' );
 
 		if ( ! sectionId || ! content ) {

plugins/woocommerce-blocks/.github/comments-aggregator/utils.js

@@ -1,7 +1,7 @@
 const identifier = `<!-- comments-aggregator -->`;
 const separator = '<!-- separator -->';
 const footerText =
-	'[comments-aggregator](https://github.com/woocommerce/woocommerce-blocks/tree/trunk/.github/comments-aggregator).';
+	'[comments-aggregator](https://github.com/woocommerce/woocommerce-blocks/tree/trunk/.github/comments-aggregator)';
 const footer = `\n> <sub>${ footerText }</sub>\n${ identifier }`;
 
 function getSectionId( section ) {