Auto-build docker when docker file changes.

2026-06-20 09:16:27 +02:00
parent 7cb92a4091
commit 6b52526e44
4 changed files with 126 additions and 19 deletions
@@ -0,0 +1,75 @@
+name: '🚦 CI'
+
+# Single orchestrator. This is the only workflow that triggers on push/PR.
+# It decides which reusable sub-workflows to run and in what order:
+#   changes ─┬─> docker (only if the Dockerfile/requirements changed) ─┬─> test
+#            │                                                          └─> docs
+# When the builder image is rebuilt it MUST finish (and push) before test/docs
+# run, so they validate against the fresh image.
+on:
+  push:
+    branches:
+      - master
+      - develop
+  pull_request:
+    branches:
+      - master
+      - develop
+  workflow_dispatch:
+
+jobs:
+  # Detect which parts of the repo changed in this push/PR.
+  changes:
+    runs-on: linux/amd64
+    outputs:
+      dockerfile: ${{ steps.filter.outputs.dockerfile }}
+      code: ${{ steps.filter.outputs.code }}
+      docs: ${{ steps.filter.outputs.docs }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Detect changed paths
+        id: filter
+        uses: dorny/paths-filter@v3
+        with:
+          filters: |
+            dockerfile:
+              - 'Dockerfile.builder'
+              - 'docs/requirements.txt'
+            docs:
+              - 'docs/**'
+              - 'mkdocs.yml'
+              - 'examples/**/*.cpp'
+            code:
+              - 'src/**'
+              - 'include/**'
+              - 'tests/**'
+              - 'examples/**'
+              - 'python/**'
+              - 'CMakeLists.txt'
+              - '**/*.cpp'
+              - '**/*.hpp'
+              - '**/*.h'
+
+  # Rebuild the builder image first, but only when it actually changed.
+  # On pull requests we build to validate the Dockerfile but do not push.
+  docker:
+    needs: changes
+    if: ${{ needs.changes.outputs.dockerfile == 'true' }}
+    uses: ./.gitea/workflows/docker.yaml
+    with:
+      push: ${{ github.event_name != 'pull_request' }}
+
+  # Runs after docker (if docker ran). A skipped docker job is fine; a failed
+  # one blocks this via !failure(). Re-run tests when code OR the image changed.
+  test:
+    needs: [changes, docker]
+    if: ${{ !failure() && !cancelled() && (needs.changes.outputs.code == 'true' || needs.changes.outputs.dockerfile == 'true') }}
+    uses: ./.gitea/workflows/test.yaml
+
+  docs:
+    needs: [changes, docker]
+    if: ${{ !failure() && !cancelled() && github.ref == 'refs/heads/master' && (needs.changes.outputs.docs == 'true' || needs.changes.outputs.dockerfile == 'true') }}
+    uses: ./.gitea/workflows/docs.yaml
+    secrets: inherit