Get GH branch name from env

Author: adamziel

.github/workflows/has-valid-blueprint-json.yml

@@ -7,12 +7,12 @@ jobs:
     check_blueprints:
         runs-on: ubuntu-latest
 
+        env:
+            GITHUB_BRANCH: ${{ github.ref }}
+
         steps:
             - name: Checkout code
               uses: actions/checkout@v2
-              with:
-                ref: ${{ github.ref }}
-                fetch-depth: 0
 
             - name: Fetch trunk
               run: |

validate_pr.py

@@ -49,7 +49,7 @@ def validate_blueprints():
 
         # Check if the URLs all point to raw.githubusercontent.com/adamziel/blueprints/{CURRENT BRANCH}
         urls_valid = True
-        current_branch = os.popen('git rev-parse --abbrev-ref HEAD').read().strip()
+        current_branch = os.environ.get('GITHUB_BRANCH') or os.popen('git rev-parse --abbrev-ref HEAD').read().strip()
         for url in urls:
             if not url.startswith('https://') and not url.startswith('http://'):
                 continue