Sync GHA job

Author: danobi

.github/workflows/sync.yml

@@ -0,0 +1,46 @@
+name: Sync upstream docs
+
+on:
+  schedule:
+    - cron: '0 0 * * *'  # Run daily at midnight UTC
+  workflow_dispatch:  # Allow manual triggering
+
+jobs:
+  sync-docs:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Get upstream SHA
+        id: sha
+        run: |
+          SHA=$(curl -s "https://api.github.com/repos/bpftrace/bpftrace/commits?path=man/adoc/bpftrace.adoc&per_page=1" | jq -r '.[0].sha')
+          echo "sha=$SHA" >> $GITHUB_OUTPUT
+
+      - name: Download upstream doc
+        run: curl -o src/docs/master.adoc https://raw.githubusercontent.com/bpftrace/bpftrace/master/man/adoc/bpftrace.adoc
+
+      - name: Check for source changes
+        id: diff
+        run: |
+          git diff --exit-code src/docs/master.adoc || echo "changed=true" >> $GITHUB_OUTPUT
+
+      - name: Build HTML
+        if: steps.diff.outputs.changed == 'true'
+        run: make docs/master.html
+
+      - name: Create Pull Request
+        if: steps.diff.outputs.changed == 'true'
+        uses: peter-evans/create-pull-request@v5
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: "docs: Sync with upstream"
+          title: "docs: Sync with upstream"
+          branch: docs/sync-upstream
+          delete-branch: true
+          body: |
+            Automated PR to sync bpftrace documentation with upstream.
+
+            Source: https://github.com/bpftrace/bpftrace/blob/${{ steps.sha.outputs.sha }}/man/adoc/bpftrace.adoc

.nojekyll

@@ -13,8 +13,3 @@ in un-edited files directly from bpftrace repository.
 When adding a documentation for a new release, you'll also want to update
 `src/header.html` with a new drop-down selection. You'll also want to update
 `index.md` to point to the latest release.
-
-### Notes
-
-* Followed https://gist.github.com/matt-bailey/bbbc181d5234c618e4dfe0642ad80297
-  to set up DNS records