GIT 1.2.5

This is primarily to fix pack-objects (hence cloning) on platforms
with IO system calls that needs to be explicitly told to restart
upon signal.

1. d60fc1c remove delta-against-self bit by Nicolas Pitre · 20 years ago
2. 7e4a2a8 avoid asking ?alloc() for zero bytes. by Junio C Hamano · 20 years ago
3. 6689f08 An off-by-one bug found by valgrind by Pavel Roskin · 20 years ago
4. 84c8d8a Fix packname hash generation. by Junio C Hamano · 20 years ago
5. 9cf6d33 Add git-index-pack utility by Sergey Vlasov · 20 years ago