ci: add automatic POT updates to dev branch (#236)

.github/workflows/update-pot.yml

@@ -0,0 +1,38 @@
+name: Update POT file
+
+on:
+  push:
+    branches:
+    - dev
+    paths:
+    - '**.php'
+    - '**.js'
+
+jobs:
+  update-pot:
+    runs-on: ubuntu-latest
+    if: github.repository == "pressbooks/pressbooks-aldine" # Don't run on forks.
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup PHP with tools
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: '7.3'
+        tools: composer, wp-cli
+    - name: Install dependencies
+      run: |
+        wp package install wp-cli/i18n-command:2.2.6
+        wp package install pressbooks/pb-cli:dev-dev#800cec8
+        composer require jenssegers/blade:1.1.0
+    - name: Update POT file
+      run: wp pb make-pot . languages/pressbooks-aldine.pot --require=vendor/autoload.php --domain=pressbooks-aldine --slug=pressbooks-aldine --package-name="Aldine" --headers="{\"Report-Msgid-Bugs-To\":\"https://github.com/pressbooks/pressbooks-aldine/issues\"}"
+    # Remove the next four lines and uncomment the last five lines once the process has been confirmed to work as desired.
+    - uses: actions/upload-artifact@v2
+      with:
+        name: pressbooks-aldine.pot
+        path: languages/pressbooks-aldine.pot
+    # - name: Commit updated POT file
+    #   uses: stefanzweifel/git-auto-commit-action@v4.1.1
+    #   with:
+    #     commit_message: 'chore(l10n): update languages/pressbooks-aldine.pot'
+    #     file_pattern: '*.pot'