ci: try update existing report first

plugins/woocommerce-blocks/.github/compare-assets/index.js

@@ -82,24 +82,55 @@ const runner = async () => {
 			}
 		);
 
-		await octokit.rest.issues.createComment( {
+		const currentComments = await octokit.rest.issues.listComments( {
 			owner,
 			repo,
 			issue_number: payload.pull_request.number,
-			body:
-				'# Script Dependencies Report' +
-				'\n\n' +
-				'The `compare-assets` action has detected some changed script dependencies between this branch and ' +
-				'trunk. Please review and confirm the following are correct before merging.' +
-				'\n\n' +
-				'| Script Handle | Added | Removed |    |' +
-				'\n' +
-				'| ------------- | ------| ------- | -- |' +
-				'\n' +
-				reportContent +
-				'\n\n' +
-				'__This comment was automatically generated by the `./github/compare-assets` action.__',
 		} );
+
+		let reportCommentId;
+		if (
+			Array.isArray( currentComments.data ) &&
+			currentComments.data.length > 0
+		) {
+			const comment = currentComments.data.find( ( comment ) =>
+				comment.body.includes( 'Script Dependencies Report' )
+			);
+
+			if ( comment ) {
+				reportCommentId = comment.id;
+			}
+		}
+
+		const commentBody =
+			'# Script Dependencies Report' +
+			'\n\n' +
+			'The `compare-assets` action has detected some changed script dependencies between this branch and ' +
+			'trunk. Please review and confirm the following are correct before merging.' +
+			'\n\n' +
+			'| Script Handle | Added | Removed |    |' +
+			'\n' +
+			'| ------------- | ------| ------- | -- |' +
+			'\n' +
+			reportContent +
+			'\n\n' +
+			'__This comment was automatically generated by the `./github/compare-assets` action.__';
+
+		if ( reportCommentId ) {
+			await octokit.rest.issues.updateComment( {
+				owner,
+				repo,
+				comment_id: reportCommentId,
+				body: commentBody,
+			} );
+		} else {
+			await octokit.rest.issues.createComment( {
+				owner,
+				repo,
+				issue_number: payload.pull_request.number,
+				body: commentBody,
+			} );
+		}
 	} catch ( error ) {
 		setFailed( error.message );
 	}