fix: merge/delete conflicts (#151)

feat: enhance merge conflict handling with improved status messages and conditional rendering
feat: improved modify / delete conflict handling
- fix ours/theirs messages for deleted files
- fix handling of choice moniker
- fix parsing of local/incoming name when deleted

backend/app/git/operations/resolve.py

@@ -30,10 +30,12 @@ def get_version_data(repo, ref, file_path):
 
 def resolve_conflicts(
         repo, resolutions: Dict[str, Dict[str, str]]) -> Dict[str, Any]:
-    logger.debug(f"Received resolutions for files: {list(resolutions.keys())}")
     """
     Resolve merge conflicts based on provided resolutions.
     """
+    logger.debug(f"Received resolutions for files: {list(resolutions.keys())}")
+    logger.debug(f"Full resolutions data: {resolutions}")
+    
     try:
         status = repo.git.status('--porcelain', '-z').split('\0')
         conflicts = []
@@ -82,6 +84,7 @@ def resolve_conflicts(
             if modify_delete_conflicts[file_path]:
                 logger.debug(
                     f"Handling modify/delete conflict for {file_path}")
+                logger.debug(f"Field resolutions for modify/delete: {field_resolutions}")
 
                 # Get the existing version (either from HEAD or MERGE_HEAD)
                 head_data = get_version_data(repo, 'HEAD', file_path)
@@ -92,9 +95,17 @@ def resolve_conflicts(
                 is_deleted_in_head = head_data is None
                 existing_data = merge_head_data if is_deleted_in_head else head_data
                 logger.debug(f"Existing version data: {existing_data}")
+                logger.debug(f"is_deleted_in_head: {is_deleted_in_head}")
+                logger.debug(f"head_data: {head_data}")
+                logger.debug(f"merge_head_data: {merge_head_data}")
 
-                choice = field_resolutions.get('file')
+                # Try both lowercase and capitalized versions of 'file'
+                choice = field_resolutions.get('file') or field_resolutions.get('File')
+                logger.debug(f"Resolution choice for file: {choice}")
+                
                 if not choice:
+                    logger.error("No 'file' or 'File' resolution found in field_resolutions!")
+                    logger.error(f"Available keys: {list(field_resolutions.keys())}")
                     raise Exception(
                         "No resolution provided for modify/delete conflict")
 
@@ -153,9 +164,23 @@ def resolve_conflicts(
                 ours_data = get_version_data(repo, 'HEAD', file_path)
                 theirs_data = get_version_data(repo, 'MERGE_HEAD', file_path)
 
+                # For files that were previously involved in modify/delete conflicts
+                # we may not be able to get all versions
                 if not base_data or not ours_data or not theirs_data:
-                    raise Exception(
-                        f"Couldn't get all versions of {file_path}")
+                    logger.warning(f"Couldn't get all versions of {file_path} - may have been previously resolved as a modify/delete conflict")
+                    logger.warning(f"base_data: {base_data}, ours_data: {ours_data}, theirs_data: {theirs_data}")
+                    
+                    # If it was previously resolved as "incoming" but ours_data is missing, use theirs_data
+                    if not ours_data and theirs_data:
+                        logger.info(f"Using incoming version for {file_path} as base for resolution")
+                        ours_data = theirs_data
+                    # If it was previously resolved as "local" but theirs_data is missing, use ours_data
+                    elif ours_data and not theirs_data:
+                        logger.info(f"Using local version for {file_path} as base for resolution")
+                        theirs_data = ours_data
+                    # If we can't recover either version, we can't proceed
+                    else:
+                        raise Exception(f"Couldn't get required versions of {file_path}")
 
                 # Start with a deep copy of ours_data to preserve all fields
                 resolved_data = deepcopy(ours_data)

backend/app/git/status/conflict_comparison.py

@@ -29,16 +29,20 @@ def compare_conflict_yaml(ours_data: Any,
     if ours_data is None and theirs_data is None:
         return conflicts
     if ours_data is None:
+        # Local version deleted
+        param_name = path or 'File'
         return [{
-            'parameter': path or 'File',
-            'local_value': 'deleted',
-            'incoming_value': theirs_data
+            'parameter': param_name,
+            'local_value': '🗑️ File deleted in local version',
+            'incoming_value': '📄 File exists in incoming version'
         }]
     if theirs_data is None:
+        # Incoming version deleted
+        param_name = path or 'File'
         return [{
-            'parameter': path or 'File',
-            'local_value': ours_data,
-            'incoming_value': 'deleted'
+            'parameter': param_name,
+            'local_value': '📄 File exists in local version',
+            'incoming_value': '🗑️ File deleted in incoming version'
         }]
 
     # Handle different types as conflicts
@@ -197,6 +201,7 @@ def create_conflict_summary(file_path: str,
         - file_path: Path to the conflicted file
         - type: Type of item
         - name: Name from our version or filename
+        - incoming_name: Name from their version (if available)
         - status: Current conflict status
         - conflict_details: List of specific conflicts
     """
@@ -209,17 +214,36 @@ def create_conflict_summary(file_path: str,
             compare_conflict_yaml(ours_data, theirs_data)
         }
 
-        # Get name from our version or fallback to filename
-        name = ours_data.get('name') if ours_data else os.path.basename(
-            file_path)
+        # Get local name
+        local_name = None
+        if ours_data and isinstance(ours_data, dict) and 'name' in ours_data:
+            local_name = ours_data.get('name')
+        
+        if not local_name:
+            # Strip the extension to get a cleaner name
+            basename = os.path.basename(file_path)
+            local_name = os.path.splitext(basename)[0]
+            
+        # Get incoming name
+        incoming_name = None
+        if theirs_data and isinstance(theirs_data, dict) and 'name' in theirs_data:
+            incoming_name = theirs_data.get('name')
+        
+        if not incoming_name:
+            # Strip the extension to get a cleaner name
+            basename = os.path.basename(file_path)
+            incoming_name = os.path.splitext(basename)[0]
 
-        return {
+        result = {
             'file_path': file_path,
             'type': determine_type(file_path),
-            'name': name,
+            'name': local_name,
+            'incoming_name': incoming_name,
             'status': status,
             'conflict_details': conflict_details
         }
+        
+        return result
 
     except Exception as e:
         logger.error(

backend/app/git/status/merge_conflicts.py

@@ -31,20 +31,46 @@ def process_modify_delete_conflict(repo, file_path, deleted_in_head):
         else:
             status = MODIFY_DELETE
 
-        # Get the surviving version
+        # For delete conflicts, we need to extract the name for display purposes
+        # This will be the name of the actual file before it was deleted
+        basename = os.path.basename(file_path)
+        filename = os.path.splitext(basename)[0]  # Strip extension
+        
+        # Get metadata from existing version to extract name if possible
         if file_exists:
-            with open(os.path.join(repo.working_dir, file_path), 'r') as f:
-                existing_data = yaml.safe_load(f.read())
+            # File exists locally, read it
+            try:
+                with open(os.path.join(repo.working_dir, file_path), 'r') as f:
+                    existing_data = yaml.safe_load(f.read())
+            except Exception as read_error:
+                logger.warning(f"Could not read existing file {file_path}: {str(read_error)}")
+                existing_data = {'name': filename}
         else:
-            existing_data = get_version_data(repo, 'MERGE_HEAD', file_path)
+            # File was deleted locally, try to get from merge head
+            try:
+                existing_data = get_version_data(repo, 'MERGE_HEAD', file_path)
+            except Exception as merge_error:
+                logger.warning(f"Could not get merge head for {file_path}: {str(merge_error)}")
+                existing_data = {'name': filename}
 
-        if not existing_data:
-            return None
+        # Simplified placeholder data for deleted version
+        if deleted_in_head:
+            # File was deleted in HEAD (local) but exists in MERGE_HEAD (incoming)
+            local_data = None  # This indicates deleted
+            try:
+                # Try to get name from incoming
+                incoming_data = existing_data if existing_data else {'name': filename}
+            except Exception:
+                incoming_data = {'name': filename}
+        else:
+            # File exists in HEAD (local) but deleted in MERGE_HEAD (incoming)
+            try:
+                local_data = existing_data if existing_data else {'name': filename}
+            except Exception:
+                local_data = {'name': filename}
+            incoming_data = None  # This indicates deleted
 
-        # Create summary with the appropriate sides marked as deleted
-        return create_conflict_summary(
-            file_path, None if deleted_in_head else existing_data,
-            existing_data if deleted_in_head else None, status)
+        return create_conflict_summary(file_path, local_data, incoming_data, status)
 
     except Exception as e:
         logger.error(

frontend/src/components/settings/git/status/ConflictRow.jsx

@@ -15,9 +15,10 @@ const ConflictRow = ({change, fetchGitStatus}) => {
         param => param.parameter === 'name'
     );
 
+    // Check for name in conflicting parameters or directly in change object
     const displayLocalName =
         nameConflict?.local_value || change.name || 'Unnamed';
-    const displayIncomingName = nameConflict?.incoming_value || 'Unnamed';
+    const displayIncomingName = nameConflict?.incoming_value || change?.incoming_name || 'Unnamed';
 
     const isResolved = change.status === 'RESOLVED';
 

frontend/src/components/settings/git/status/MergeConflicts.jsx

@@ -10,14 +10,22 @@ const MergeConflicts = ({
     areAllConflictsResolved,
     fetchGitStatus
 }) => {
-    if (!conflicts || conflicts.length === 0) return null;
-
+    const hasConflicts = conflicts && conflicts.length > 0;
+    
     return (
         <div className='mb-4'>
             <div className='flex items-center justify-between'>
                 <h4 className='text-sm font-medium text-gray-200 flex items-center'>
-                    <AlertTriangle className='text-yellow-400 mr-2' size={16} />
-                    <span>Merge Conflicts</span>
+                    {areAllConflictsResolved() ? (
+                        <CheckCircle className='text-green-400 mr-2' size={16} />
+                    ) : (
+                        <AlertTriangle className='text-yellow-400 mr-2' size={16} />
+                    )}
+                    <span>
+                        {areAllConflictsResolved() 
+                            ? 'All Conflicts Resolved' 
+                            : 'Merge Conflicts'}
+                    </span>
                 </h4>
                 <div className='flex space-x-2'>
                     <Tooltip
@@ -47,10 +55,23 @@ const MergeConflicts = ({
                     </Tooltip>
                 </div>
             </div>
-            <ConflictTable
-                conflicts={conflicts}
-                fetchGitStatus={fetchGitStatus}
-            />
+            
+            {/* Only show the conflict table if there are conflicts */}
+            {hasConflicts && (
+                <ConflictTable
+                    conflicts={conflicts}
+                    fetchGitStatus={fetchGitStatus}
+                />
+            )}
+            
+            {/* Show a success message when all conflicts are resolved */}
+            {!hasConflicts && areAllConflictsResolved() && (
+                <div className='mt-3 p-4 bg-gray-800 border border-gray-700 rounded-lg text-center'>
+                    <p className='text-gray-300'>
+                        All conflicts have been successfully resolved. You can now commit the merge.
+                    </p>
+                </div>
+            )}
         </div>
     );
 };