{"record":{"id":"e1a10b4cdafa9102","repo":"charmbracelet/crush","slug":"failed-to-create-parent-directories-w-e1a10b","errorCode":null,"errorMessage":"failed to create parent directories: %w","messagePattern":"failed to create parent directories: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/agent/tools/edit.go","lineNumber":120,"sourceCode":"\t\t\treturn response, nil\n\t\t},\n\t)\n}\n\nfunc createNewFile(edit editContext, filePath, content string, call fantasy.ToolCall) (fantasy.ToolResponse, error) {\n\tfileInfo, err := os.Stat(filePath)\n\tif err == nil {\n\t\tif fileInfo.IsDir() {\n\t\t\treturn fantasy.NewTextErrorResponse(fmt.Sprintf(\"path is a directory, not a file: %s\", filePath)), nil\n\t\t}\n\t\treturn fantasy.NewTextErrorResponse(fmt.Sprintf(\"file already exists: %s\", filePath)), nil\n\t} else if !os.IsNotExist(err) {\n\t\treturn fantasy.ToolResponse{}, fmt.Errorf(\"failed to access file: %w\", err)\n\t}\n\n\tdir := filepath.Dir(filePath)\n\tif err = os.MkdirAll(dir, 0o755); err != nil {\n\t\treturn fantasy.ToolResponse{}, fmt.Errorf(\"failed to create parent directories: %w\", err)\n\t}\n\n\tsessionID := GetSessionFromContext(edit.ctx)\n\tif sessionID == \"\" {\n\t\treturn fantasy.ToolResponse{}, fmt.Errorf(\"session ID is required for creating a new file\")\n\t}\n\n\t_, additions, removals := diff.GenerateDiff(\n\t\t\"\",\n\t\tcontent,\n\t\tstrings.TrimPrefix(filePath, edit.workingDir),\n\t)\n\tp, err := edit.permissions.Request(\n\t\tedit.ctx,\n\t\tpermission.CreatePermissionRequest{\n\t\t\tSessionID:   sessionID,\n\t\t\tPath:        fsext.PathOrPrefix(filePath, edit.workingDir),\n\t\t\tToolCallID:  call.ID,","sourceCodeStart":102,"sourceCodeEnd":138,"githubUrl":"https://github.com/charmbracelet/crush/blob/7944b8e52225d8805e31eacbf7ef24856b0dfb7a/internal/agent/tools/edit.go#L102-L138","documentation":"After verifying the target doesn't exist, createNewFile runs os.MkdirAll on the file's parent directory and wraps any failure. The wrapped error contains the OS reason: a path component exists as a file, the directory isn't writable, or the filesystem is read-only.","triggerScenarios":"Parent directory of the new file cannot be created: e.g. creating 'src/newfile.go' when 'src' is an existing file; write-protected parent; read-only mount; ENOSPC.","commonSituations":"LLM chose a file_path whose parent collides with an existing file; scaffolding into vendor/ or read-only directories; container filesystem read-only; path contains a symlink to a non-directory.","solutions":["Inspect the wrapped error; if EEXIST, the parent name collides with an existing file — pick a different path","Check directory write permissions (ls -ld)","Confirm the filesystem is writable (mount options)","Create the directory manually first if permissions need adjustment"],"exampleFix":"// before\nfile_path: \"README.md/new.go\"   // README.md is a file\n// after\nfile_path: \"internal/new.go\"","handlingStrategy":"validation","validationCode":"parent := filepath.Dir(target)\nif fi, err := os.Stat(parent); err == nil && !fi.IsDir() {\n    return fmt.Errorf(\"%s already exists and is not a directory\", parent)\n}\nif f, err := os.OpenFile(parent, os.O_RDONLY, 0); err != nil {\n    return fmt.Errorf(\"parent %s not usable: %v\", parent, err)\n} else { f.Close() }","typeGuard":null,"tryCatchPattern":"if err := os.MkdirAll(dir, 0o755); err != nil {\n    if errors.Is(err, fs.ErrExist) {\n        return fmt.Errorf(\"path component %s is a file, not a directory\", dir)\n    }\n    return err\n}","preventionTips":["Don't build file paths whose parent names collide with existing files","Create new files inside the writable working directory tree","Check mount options (read-only) before scaffolding in containers","Fix directory permissions before retrying the create"],"tags":["filesystem","mkdir","edit","permissions"],"backgroundTag":"mkdir-permission-denied","analyzedSha":"7944b8e52225d8805e31eacbf7ef24856b0dfb7a","analyzedAt":"2026-08-29T12:48:59.079Z","schemaVersion":2},"datasetVersion":"2026-08-29T17:17:51.833Z"}