feat: add webhook-announcements shared workflow#219
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Add a reusable workflow that watches a markdown file's "## Announcements"
section on the default branch and posts each newly added announcement to a
webhook (Discord by default), one message per announcement.
How it works:
- Diffs the full pushed range (github.event.before..github.sha), isolates the
"## Announcements" section in both blobs, and treats a block as new when its
normalized first-line key is present in the after blob but not the before
one. README edits outside the section, or re-runs over an overlapping range,
detect zero new blocks and post nothing (idempotent, no reposts).
- Each announcement's first bullet line becomes the embed title
("DATE: summary", stripped of markdown); its sub-bullets become the embed
description. Embeds link to the README #announcements anchor.
- Default secret is DISCORD_ANNOUNCEMENTS_WEBHOOK_URL, overridable via the
explicit webhook-url secret (no secrets[inputs.x] keyed access).
A compare-base input overrides the diff base; passing the git empty-tree SHA
treats every current announcement as new, which enables manual testing and
backfilling.
Also add local-webhook-announcements.yml plus a committed fixture: pushes that
touch the fixture run in forced dry-run (payloads printed, never posted) to
exercise detection safely, while workflow_dispatch runs a manual live test
against an arbitrary webhook URL.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Signed-off-by: Frederic BIDON <fredbi@yahoo.com>
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## master #219 +/- ##
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Coverage 100.00% 100.00%
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Files 3 3
Lines 14 14
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Hits 14 14 ☔ View full report in Codecov by Harness. |
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Add a reusable workflow that watches a markdown file's "## Announcements" section on the default branch and posts each newly added announcement to a webhook (Discord by default), one message per announcement.
How it works:
A compare-base input overrides the diff base; passing the git empty-tree SHA treats every current announcement as new, which enables manual testing and backfilling.
Also add local-webhook-announcements.yml plus a committed fixture: pushes that touch the fixture run in forced dry-run (payloads printed, never posted) to exercise detection safely, while workflow_dispatch runs a manual live test against an arbitrary webhook URL.
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Please select: 🆕 New feature or enhancement|🔧 Bug fix'|📃 Documentation update
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