Enable checking of base branch as well as branch name for multirepo

.github/workflows/coverage.yml

@@ -24,7 +24,7 @@ jobs:
           cache: true
 
       - name: Install dependencies with multirepo
-        uses: chipflow/pdm-multirepo@v1
+        uses: chipflow/pdm-multirepo@v3
 
       - name: Build coverage file
         run: |

.github/workflows/main.yaml

@@ -22,7 +22,7 @@ jobs:
           cache: true
 
       - name: Install dependencies with multirepo
-        uses: chipflow/pdm-multirepo@v1
+        uses: chipflow/pdm-multirepo@v3
 
       - name: Run tests
         run: pdm run test

.github/workflows/preview-docs.yml

@@ -20,7 +20,7 @@ jobs:
           cache: true
 
       - name: Install dependencies with multirepo
-        uses: chipflow/pdm-multirepo@v1
+        uses: chipflow/pdm-multirepo@v3
 
       - name: Build docs
         run: pdm docs

.github/workflows/test-examples.yml

@@ -40,7 +40,15 @@ jobs:
         if: github.event_name == 'pull_request'
         run: |
           git remote update
-          git checkout ${{ github.head_ref }} || echo "Falling back to main"
+          git checkout ${{ github.head_ref }} || echo "${{github.head_ref}} not found, checking base ${{github.base_ref}}"
+
+      - name: Check for branch ${{ github.base_ref }}
+        working-directory: ${{ env.test_repo_path }}
+        if: github.event_name == 'pull_request'
+        run: |
+          git remote update
+          git checkout ${{ github.base_ref }} || echo "${{github.base_ref}} not found Falling back to main"
+
 
       - name: Set up PDM
         uses: pdm-project/setup-pdm@v4
@@ -50,7 +58,7 @@ jobs:
           cache-dependency-path: './**/pyproject.toml'
 
       - name: Install dependencies with multirepo
-        uses: chipflow/pdm-multirepo@v1
+        uses: chipflow/pdm-multirepo@v3
         with:
           working-directory: ${{ env.test_repo_path }}