fixup! Add GitHub support to check_branch.py script

scripts/check_branch.py

@@ -1,13 +1,11 @@
-from dataclasses import (
-    dataclass,
-)
 import os
 import sys
 from typing import (
     Optional,
     Sequence,
 )
 
+import attrs
 import git
 
 from azul import (
@@ -40,11 +38,11 @@ def __init__(self,
                          f'only {allowed}personal deployments.')
 
 
-@dataclass(kw_only=True)
+@attrs.frozen(auto_attribs=True, kw_only=True)
 class BranchContext:
-    name: Optional[str]
-    base_ref: Optional[str]
-    head_ref: Optional[str]
+    name: str | None
+    base_ref: str | None
+    head_ref: str | None
     platform: str
 
 
@@ -107,25 +105,14 @@ def main(argv):
         branch = branch_in_context.base_ref
     else:
         branch = branch_in_context.name
-    deployment = default_deployment(branch)
     if args.print:
+        deployment = default_deployment(branch)
         if deployment is None:
             sys.exit(1)
         else:
             print(deployment)
     else:
         check_branch(branch, config.deployment_stage)
-        allowed_deployments = config.shared_deployments_for_branch(branch)
-        if deployment == 'prod':
-            if branch != 'prod' and branch_in_context.base_ref != 'prod':
-                raise BranchDeploymentMismatch(branch,
-                                               config.Deployment(deployment),
-                                               allowed_deployments)
-        elif deployment == 'dev':
-            if branch != 'develop' and branch_in_context.base_ref != 'develop':
-                raise BranchDeploymentMismatch(branch,
-                                               config.Deployment(deployment),
-                                               allowed_deployments)
 
 
 if __name__ == '__main__':