From 2c159457d3c85f0af0024a29e9c6e9508261a487 Mon Sep 17 00:00:00 2001
From: Chris Swithinbank <swithinbank@gmail.com>
Date: Wed, 4 Feb 2026 14:14:13 +0100
Subject: [PATCH 1/2] Update existing comment if no issues found

---
 src/main.ts | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/src/main.ts b/src/main.ts
index 3b746e5..df3d90e 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -212,12 +212,6 @@ async function run(): Promise<void> {
       scanForReplacements(messages, baseDependencies, currentDependencies);
     }
 
-    // Skip comment creation/update if there are no messages
-    if (messages.length === 0) {
-      core.info('No dependency warnings found. Skipping comment creation.');
-      return;
-    }
-
     const octokit = github.getOctokit(token);
     let existingCommentId: number | undefined = undefined;
 
@@ -244,6 +238,24 @@ async function run(): Promise<void> {
       }
     }
 
+    // Skip comment creation if there are no messages or update the existing comment.
+    if (messages.length === 0) {
+      if (existingCommentId) {
+        await octokit.rest.issues.updateComment({
+          owner: github.context.repo.owner,
+          repo: github.context.repo.repo,
+          comment_id: existingCommentId,
+          body: `${COMMENT_TAG}\n## e18e dependency diff action\n\nNo dependency warnings found.\n`
+        });
+        core.info(
+          `Updated existing dependency diff comment #${existingCommentId}`
+        );
+      } else {
+        core.info('No dependency warnings found. Skipping comment creation.');
+      }
+      return;
+    }
+
     const finalCommentBody = `${COMMENT_TAG}\n${messages.join('\n\n')}`;
 
     if (existingCommentId) {

From aa3c3c30ab374d4ef7bf910c5d6b1a54cbffe908 Mon Sep 17 00:00:00 2001
From: Chris Swithinbank <swithinbank@gmail.com>
Date: Wed, 4 Feb 2026 16:24:33 +0100
Subject: [PATCH 2/2] =?UTF-8?q?analysis!=20=F0=9F=A7=91=E2=80=8D?=
 =?UTF-8?q?=F0=9F=94=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-authored-by: James Garbutt <43081j@users.noreply.github.com>
---
 src/main.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main.ts b/src/main.ts
index df3d90e..fcaa252 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -245,7 +245,7 @@ async function run(): Promise<void> {
           owner: github.context.repo.owner,
           repo: github.context.repo.repo,
           comment_id: existingCommentId,
-          body: `${COMMENT_TAG}\n## e18e dependency diff action\n\nNo dependency warnings found.\n`
+          body: `${COMMENT_TAG}\n## e18e dependency analysis\n\nNo dependency warnings found.\n`
         });
         core.info(
           `Updated existing dependency diff comment #${existingCommentId}`