From baa1aad28bf82a4dfbb3b0a05aca3cb5cfd0027f Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Thu, 9 Oct 2025 00:55:09 -0700
Subject: sync_default_gems.yml: Link the failed diff

---
 .github/workflows/sync_default_gems.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/sync_default_gems.yml b/.github/workflows/sync_default_gems.yml
index 94e34ec713..ac43669527 100644
--- a/.github/workflows/sync_default_gems.yml
+++ b/.github/workflows/sync_default_gems.yml
@@ -62,7 +62,7 @@ jobs:
       - uses: ./.github/actions/slack
         with:
           SLACK_WEBHOOK_URL: ${{ secrets.SIMPLER_ALERTS_URL }} # ruby-lang slack: ruby/simpler-alerts-bot
-          label: ${{ github.event.inputs.gem }} ${{ github.event.inputs.before[0:10] }}..${{ github.event.inputs.after[0:10] }}
+          label: "${{ github.event.inputs.gem }} (<https://github.com/${{ github.event.inputs.gem == 'rubygems' && 'rubygems' || 'ruby' }}/${{ github.event.inputs.gem }}/compare/${{ github.event.inputs.before }}...${{ github.event.inputs.after }}|diff>)"
           event_name: workflow_dispatch
           extra_channel_id: C05FPKAU743 # alerts-sync
         if: ${{ failure() }}
-- 
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