repo 1.6.8.4

1. 76ca9f8 Make usage of open safer by setting binary mode and closing fds by Shawn O. Pearce · 15 years ago
2. ad3193a Fix `repo --trace` to show ref and config loads by Shawn O. Pearce · 15 years ago
3. b81ac9e Enable tracing of ref scans and config unpickling by Shawn O. Pearce · 16 years ago
4. 0f3dd23 Avoid unnecessary git symbolic-ref calls during repo sync by Shawn O. Pearce · 16 years ago
5. fbcde47 Improve repo sync performance by avoid git forks by Shawn O. Pearce · 16 years ago
6. d237b69 Implement git ref reading purely in Python by Shawn O. Pearce · 16 years ago