build: Run customized Antora for PRs

Author: philipwindecker

.github/workflows/antora-build.yml

@@ -0,0 +1,55 @@
+name: Antora Documentation Build
+
+on:
+  # create: # new branches or tags
+  release: # new releases
+  pull_request:
+    branches: [ main ]
+  push: # on push. This may be removed later
+  # schedule: # periodic - needed because some of the content is from the other repos
+  #   - cron:  '30 5,20 * * *' # this is pretty often. Only needed during review phase
+
+jobs:
+  antora-build:
+    name: Build
+    runs-on: ubuntu-20.04
+
+    services:
+      kroki:
+        image: yuzutech/kroki:0.15.1
+        env:
+          KROKI_MAX_URI_LENGTH: 8000
+          KROKI_BLOCKDIAG_HOST: blockdiag
+          KROKI_MERMAID_HOST: mermaid
+      blockdiag:
+        image: yuzutech/kroki-blockdiag:0.15.1
+      mermaid:
+        image: yuzutech/kroki-mermaid:0.15.1
+
+    steps:
+    - name: Checkout generator
+      uses: actions/checkout@master
+      with:
+        repository: OpenSimulationInterface/osi-antora-generator
+        path: generator
+        submodules: true
+        fetch-depth: 0
+
+    - name: Modify site.yml
+      working-directory: generator
+      run: |
+        sed -i -E "s/(branches\:) \[antora\/base-antora-setup\] \# osi-documentation/\1 [HEAD]/" site.yml
+        
+    - name: Generate site
+      uses: docker://ghcr.io/asam-ev/project-guide-docker:4
+      with:
+        entrypoint: sh
+        args: generator/run-build.sh
+    
+    - name: Upload artifact
+      uses: actions/upload-artifact@v3
+      with: 
+        name: antora-build
+        path: ./generator/site
+
+