fix(logging): add detailed error logging to git repository endpoints and utilities

apps/api/src/api/git_repositories.py

@@ -1,3 +1,4 @@
+import logging
 import os
 import shutil
 import subprocess
@@ -36,6 +37,8 @@ from src.utils.git_url_parser import parse_git_url
 
 router = APIRouter(prefix="/projects", tags=["git-repositories"])
 
+logger = logging.getLogger(__name__)
+
 
 async def _get_user(session: AsyncSession, user_id: uuid.UUID) -> User:
     """Fetch a user by ID or raise 401 if not found."""
@@ -494,6 +497,14 @@ async def list_repository_files(
             ],
         )
     except RuntimeError as e:
+        logger.error(
+            "Failed to list files for repo %s (path=%s, branch=%s): %s",
+            repo_id,
+            path,
+            branch,
+            str(e),
+            exc_info=True,
+        )
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(e))
 
 
@@ -599,6 +610,12 @@ async def get_repository_branches(
             default_branch=default_branch,
         )
     except RuntimeError as e:
+        logger.error(
+            "Failed to list branches for repo %s: %s",
+            repo_id,
+            str(e),
+            exc_info=True,
+        )
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(e))
 
 

apps/api/src/utils/git_files.py

@@ -54,6 +54,8 @@ def _run_git_command(repo_path: str, *args: str) -> str:
     return result.stdout
 
 
+logger = logging.getLogger(__name__)
+
 def list_tree(repo_path: str, branch: str = "main", path: str = "") -> list[FileTreeEntry]:
     """List files and directories in a repository path.
 
@@ -69,12 +71,14 @@ def list_tree(repo_path: str, branch: str = "main", path: str = "") -> list[File
 
     try:
         output = _run_git_command(repo_path, "ls-tree", "-l", tree_path)
-    except RuntimeError:
+    except RuntimeError as e:
+        logger.warning("git ls-tree failed for %s with branch '%s': %s", repo_path, tree_path, str(e))
         # Try with HEAD if branch doesn't exist
         tree_path = f"HEAD:{path}" if path else "HEAD"
         try:
             output = _run_git_command(repo_path, "ls-tree", "-l", tree_path)
         except RuntimeError as e:
+            logger.error("git ls-tree failed for %s with HEAD: %s", repo_path, str(e))
             # Check if this is an empty repository (no commits yet)
             error_msg = str(e).lower()
             if "not a valid object name" in error_msg or "does not exist" in error_msg:
@@ -256,7 +260,11 @@ def list_branches(repo_path: str) -> tuple[list[BranchInfo], str]:
         Tuple of (list of BranchInfo, default branch name)
     """
     # Get all branches
-    output = _run_git_command(repo_path, "branch", "-a", "--format=%(refname:short)")
+    try:
+        output = _run_git_command(repo_path, "branch", "-a", "--format=%(refname:short)")
+    except RuntimeError as e:
+        logger.error("Failed to list branches for %s: %s", repo_path, str(e))
+        raise
 
     branches: list[BranchInfo] = []
     default_branch = "main"