chore: categorize empty repo error [CM-1103] (#4017)

Signed-off-by: Mouad BANI <[email protected]>

Author: mbani01

services/apps/git_integration/src/crowdgit/enums.py

@@ -26,6 +26,7 @@ class ErrorCode(str, Enum):
     RATE_LIMITED = "rate-limited"
     ACCESS_FORBIDDEN = "access-forbidden"
     SERVER_ERROR = "server-error-remote"
+    EMPTY_REPO = "empty-repo"
 
 
 class RepositoryState(str, Enum):

services/apps/git_integration/src/crowdgit/errors.py

@@ -144,3 +144,9 @@ class ForbiddenError(CrowdGitError):
 class RemoteServerError(CrowdGitError):
     error_message: str = "Remote server returned an internal error"
     error_code: ErrorCode = ErrorCode.SERVER_ERROR
+
+
+@dataclass
+class EmptyRepoError(CrowdGitError):
+    error_message: str = "Repository is empty (no branches or commits)"
+    error_code: ErrorCode = ErrorCode.EMPTY_REPO

services/apps/git_integration/src/crowdgit/services/utils.py

@@ -6,6 +6,7 @@
     CommandExecutionError,
     CommandTimeoutError,
     DiskSpaceError,
+    EmptyRepoError,
     ForbiddenError,
     NetworkError,
     PermissionError,
@@ -183,6 +184,10 @@ async def get_default_branch(repo_path: str) -> str:
         },
         RepoAuthRequiredError,
     ),
+    (
+        {"ambiguous argument 'HEAD': unknown revision or path not in the working tree"},
+        EmptyRepoError,
+    ),
 ]