writeTo persists the lock file through an open file handle.
(f *os.File, lf *file)
| 76 | |
| 77 | // writeTo persists the lock file through an open file handle. |
| 78 | func writeTo(f *os.File, lf *file) error { |
| 79 | data, err := json.MarshalIndent(lf, "", " ") |
| 80 | if err != nil { |
| 81 | return err |
| 82 | } |
| 83 | |
| 84 | if _, err := f.Seek(0, 0); err != nil { |
| 85 | return err |
| 86 | } |
| 87 | if err := f.Truncate(0); err != nil { |
| 88 | return err |
| 89 | } |
| 90 | _, err = f.Write(data) |
| 91 | return err |
| 92 | } |
| 93 | |
| 94 | // RecordInstall adds or updates a skill entry in the lock file. |
| 95 | // It uses a file-based lock to prevent concurrent read-modify-write races |