Add deploy.py

deploy.py

@@ -0,0 +1,24 @@
+#!/usr/bin/env python3
+
+import tempfile
+import subprocess
+from pathlib import Path
+
+if __name__ == '__main__':
+    with tempfile.TemporaryDirectory() as tmpdir:
+
+        current_branch = subprocess.run(['git', 'symbolic-ref', '-q', 'HEAD'], check=False, capture_output=True).stdout.strip()
+        if current_branch == 'refs/heads/deploy':
+            raise SystemError('This script cannot be run from the deploy branch (run from main instead)')
+
+        subprocess.run(['git', 'worktree', 'add', '--detach', tmpdir], check=True)
+        try:
+            subprocess.run(['hugo'], cwd=tmpdir, check=True)
+            write_tree = subprocess.run(['git', 'write-tree', '--prefix=public/'], check=True, capture_output=True)
+            tree = write_tree.stdout.strip()
+        
+            commit = subprocess.run(['git', 'commit-tree', '-p', 'HEAD', '-p', 'refs/heads/deploy', '-m', 'deploy.py auto-commit', tree], check=True, capture_output=True).stdout.strip()
+            subprocess.run(['git', 'update-ref', '-m', f'deploy.sh update deploy branch to {commit}', 'refs/heads/deploy', commit], check=True)
+
+        finally:
+            subprocess.run(['git', 'worktree', 'remove', '-f', tmpdir], check=True)