-GIT pack format
+Git pack format
===============
== pack-*.pack files have the following format:
The signature is: {'P', 'A', 'C', 'K'}
4-byte version number (network byte order):
- GIT currently accepts version number 2 or 3 but
+ Git currently accepts version number 2 or 3 but
generates version 2 only.
4-byte number of objects contained in the pack (network byte order)
(deltified representation)
n-byte type and length (3-bit type, (n-1)*7+4-bit length)
- 20-byte base object name
+ 20-byte base object name if OBJ_REF_DELTA or a negative relative
+ offset from the delta object's position in the pack if this
+ is an OBJ_OFS_DELTA object
compressed delta data
Observation: length of each object is encoded in a variable