Add Github Action

.github/workflows/docs.yml

@@ -0,0 +1,116 @@
+name: sphinx
+on:
+  push:
+    branches:
+      - master
+env:
+  DEFAULT_BRANCH: "master"
+  #SPHINXOPTS: "-W --keep-going -T"
+  # ^-- If these SPHINXOPTS are enabled, then be strict about the builds and fail on any warnings
+
+jobs:
+  build-and-deploy:
+    name: Build and gh-pages
+    runs-on: ubuntu-latest
+    container: consiglionazionalericerche/sphinx-latex:latest
+    steps:
+      # https://github.com/marketplace/actions/checkout
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      # https://docs.github.com/en/actions/guides/building-and-testing-python#installing-dependencies
+      # ^-- This gives info on installing dependencies with pip
+      - name: Install dependencies
+        run: |
+          pip install -r requirements.txt
+      - name: Debugging information
+        run: |
+          echo "github.ref:" ${{github.ref}}
+          echo "github.event_name:" ${{github.event_name}}
+          echo "github.head_ref:" ${{github.head_ref}}
+          echo "github.base_ref:" ${{github.base_ref}}
+          set -x
+          git rev-parse --abbrev-ref HEAD
+          git branch
+          git branch -a
+          git remote -v
+          python -V
+          pip list --not-required
+          pip list
+      # Build
+      - name: Build Sphinx docs
+        run: |
+          make html
+          make latexpdf
+          cp _build/latex/*.pdf _build/html/
+          make epub
+          cp _build/epub/*.epub _build/html/
+      # The following supports building all branches and combining on
+      # gh-pages
+
+      # Clone and set up the old gh-pages branch
+      - name: Clone old gh-pages
+        if: ${{ github.event_name == 'push' }}
+        run: |
+          set -x
+          git fetch
+          ( git branch gh-pages remotes/origin/gh-pages && git clone . --branch=gh-pages _gh-pages/ ) || mkdir _gh-pages
+          rm -rf _gh-pages/.git/
+          mkdir -p _gh-pages/branch/
+      # If a push and default branch, copy build to _gh-pages/ as the "main"
+      # deployment.
+      - name: Copy new build (default branch)
+        if: |
+          contains(github.event_name, 'push') &&
+          contains(github.ref, env.DEFAULT_BRANCH)
+        run: |
+          set -x
+          # Delete everything under _gh-pages/ that is from the
+          # primary branch deployment.  Eicludes the other branches
+          # _gh-pages/branch-* paths, and not including
+          # _gh-pages itself.
+          find _gh-pages/ -mindepth 1 ! -path '_gh-pages/branch*' -delete
+          rsync -a _build/html/ _gh-pages/
+      # If a push and not on default branch, then copy the build to
+      # _gh-pages/branch/$brname (transforming '/' into '--')
+      - name: Copy new build (branch)
+        if: |
+          contains(github.event_name, 'push') &&
+          !contains(github.ref, env.DEFAULT_BRANCH)
+        run: |
+          set -x
+          #brname=$(git rev-parse --abbrev-ref HEAD)
+          brname="${{github.ref}}"
+          brname="${brname##refs/heads/}"
+          brdir=${brname//\//--}   # replace '/' with '--'
+          rm -rf   _gh-pages/branch/${brdir}
+          rsync -a _build/dirhtml/ _gh-pages/branch/${brdir}
+      # Go through each branch in _gh-pages/branch/, if it's not a
+      # ref, then delete it.
+      - name: Delete old feature branches
+        if: ${{ github.event_name == 'push' }}
+        run: |
+          set -x
+          for brdir in `ls _gh-pages/branch/` ; do
+              brname=${brdir//--/\/}   # replace '--' with '/'
+              if ! git show-ref remotes/origin/$brname ; then
+                  echo "Removing $brdir"
+                  rm -r _gh-pages/branch/$brdir/
+              fi
+          done
+      # Add the .nojekyll file
+      - name: nojekyll
+        if: ${{ github.event_name == 'push' }}
+        run: |
+          touch _gh-pages/.nojekyll
+      # Deploy
+      # https://github.com/peaceiris/actions-gh-pages
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        if: ${{ github.event_name == 'push' }}
+        #if: ${{ success() && github.event_name == 'push' && github.ref == 'refs/heads/$defaultBranch' }}
+        with:
+          publish_branch: gh-pages
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: _gh-pages/
+          force_orphan: true