tutorial exporter update

Author: dario-coscia

.github/workflows/tutorial_exporter.yml

@@ -4,10 +4,8 @@ on:
   workflow_dispatch:
   push:
     branches:
-      - "dev"
-      - "master"
-    paths:
-      - 'tutorials/**/*.ipynb'
+      - master
+      - dev
 
 jobs:
   export_tutorials:
@@ -21,20 +19,32 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: 3.8 # using the minimum compatible python version
 
     - name: Install dependencies
       run: |
         # Dependencies for tutorials
         python3 -m pip install --upgrade pip .[tutorial] black[jupyter]
+    
     - name: Setup FFmpeg
       uses: FedericoCarboni/setup-ffmpeg@v2
 
-    - id: files
-      uses: jitterbit/get-changed-files@v1
-      with:
-        token: ${{ secrets.GITHUB_TOKEN }}
-        format: space-delimited
+    - name: Determine files to process
+      id: files
+      run: |
+        BASE_BRANCH=${{ github.event.ref == 'refs/heads/dev' && 'dev' || 'master' }}
+        git fetch origin $BASE_BRANCH
+        MERGE_BASE=$(git merge-base HEAD origin/$BASE_BRANCH)
+        CHANGED_FILES=$(git diff --name-only $MERGE_BASE HEAD | grep 'tutorials/.*\.ipynb' || true)
+
+        if [ -n "$CHANGED_FILES" ]; then
+          echo "all=$CHANGED_FILES" >> $GITHUB_ENV
+        elif [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
+          echo "all=tutorials/**/*.ipynb" >> $GITHUB_ENV
+        else
+          echo "No tutorials changed, skipping."
+          exit 0
+        fi
 
     - name: Configure git
       run: |
@@ -44,18 +54,16 @@ jobs:
     - name: Export tutorials to .py and .html
       run: |
         set -x
-        for file in ${{ steps.files.outputs.all }}; do
-          if [[ $file == *.ipynb ]]; then
-            filename=$(basename $file)
-            pyfilename=$(echo ${filename%?????})py
-            timeout --signal=SIGKILL $TUTORIAL_TIMEOUT python -Xfrozen_modules=off -m jupyter nbconvert $file --to python --output $pyfilename --output-dir=$(dirname $file)
-            htmlfilename=$(echo ${filename%?????} | sed -e 's/-//g')html
-            htmldir="docs/source"/$(echo ${file%??????????????} | sed -e 's/-//g')
-            timeout --signal=SIGKILL $TUTORIAL_TIMEOUT python -Xfrozen_modules=off -m jupyter nbconvert --execute $file --to html --output $htmlfilename --output-dir=$htmldir
-          fi
+        for file in $all; do
+          filename=$(basename $file)
+          pyfilename=$(echo ${filename%?????})py
+          timeout --signal=SIGKILL $TUTORIAL_TIMEOUT python -Xfrozen_modules=off -m jupyter nbconvert $file --to python --output $pyfilename --output-dir=$(dirname $file)
+          htmlfilename=$(echo ${filename%?????} | sed -e 's/-//g')html
+          htmldir="docs/source"/$(echo ${file%??????????????} | sed -e 's/-//g')
+          timeout --signal=SIGKILL $TUTORIAL_TIMEOUT python -Xfrozen_modules=off -m jupyter nbconvert --execute $file --to html --output $htmlfilename --output-dir=$htmldir
         done
         set +x
-        
+    
     - name: Run formatter
       run: black tutorials/