From b261cf98e5c50819982c8e91f174ab0601b8641f Mon Sep 17 00:00:00 2001
From: VU3ESV <vinodes@aol.com>
Date: Fri, 5 Jun 2026 12:54:10 +0200
Subject: [PATCH] ci: skip release for docs-only changes

Add a 'gate' job that inspects the changed files (PR files API on
pull_request, compare API on push) and skips the release when EVERY
changed file is markdown, under docs/, or LICENSE. Tag pushes and
manual dispatch always release.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---
 .github/workflows/release.yml | 45 +++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 05d4d8b..d9187a2 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -42,7 +42,52 @@ env:
   BUMP: patch
 
 jobs:
+  # Skip the release when a push-to-main / merged PR only changes documentation.
+  # Tag pushes and manual dispatch always release.
+  gate:
+    name: Decide whether to release (skip docs-only)
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+    outputs:
+      skip: ${{ steps.decide.outputs.skip }}
+    steps:
+      - id: decide
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          set -euo pipefail
+          ev="${{ github.event_name }}"
+          # Explicit releases are never skipped.
+          if [ "$ev" = "workflow_dispatch" ]; then echo "skip=false" >> "$GITHUB_OUTPUT"; exit 0; fi
+          if [ "$ev" = "push" ]; then
+            case "${{ github.ref }}" in
+              refs/tags/*) echo "skip=false" >> "$GITHUB_OUTPUT"; exit 0 ;;
+            esac
+            files="$(gh api --paginate "repos/${{ github.repository }}/compare/${{ github.event.before }}...${{ github.event.after }}" -q '.files[].filename' || true)"
+          elif [ "$ev" = "pull_request" ]; then
+            files="$(gh api --paginate "repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/files" -q '.[].filename')"
+          else
+            echo "skip=false" >> "$GITHUB_OUTPUT"; exit 0
+          fi
+          echo "Changed files:"; printf '  %s\n' "$files"
+          # Docs-only when EVERY changed file is markdown, under docs/, or LICENSE.
+          skip=true
+          [ -z "$files" ] && skip=false   # unknown/empty diff -> release, don't skip
+          while IFS= read -r f; do
+            [ -z "$f" ] && continue
+            case "$f" in
+              *.md|docs/*|*/docs/*|LICENSE) : ;;
+              *) skip=false; break ;;
+            esac
+          done <<< "$files"
+          echo "skip=$skip" >> "$GITHUB_OUTPUT"
+          [ "$skip" = true ] && echo "::notice::Docs-only change — skipping release."
+
   release:
+    needs: gate
+    if: needs.gate.outputs.skip != 'true'
     runs-on: macos-14
     timeout-minutes: 25
     steps: