While trying to implement a pack reader in Java I was mislead by
some facts listed in this documentation as well as found a few
details to be missing about the pack header.
Signed-off-by: Shawn O. Pearce <spearce@xxxxxxxxxxx>
---
Documentation/technical/pack-format.txt | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/Documentation/technical/pack-format.txt b/Documentation/technical/pack-format.txt
index ed2decc..0e1ffb2 100644
--- a/Documentation/technical/pack-format.txt
+++ b/Documentation/technical/pack-format.txt
@@ -5,8 +5,13 @@ GIT pack format
- The header appears at the beginning and consists of the following:
- 4-byte signature
- 4-byte version number (network byte order)
+ 4-byte signature:
+ The signature is: {'P', 'A', 'C', 'K'}
+
+ 4-byte version number (network byte order):
+ 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)
Observation: we cannot have more than 4G versions ;-) and
@@ -41,7 +46,7 @@ GIT pack format
8-byte integers to go beyond 4G objects per pack, but it is
not strictly necessary.
- - The header is followed by sorted 28-byte entries, one entry
+ - The header is followed by sorted 24-byte entries, one entry
per object in the pack. Each entry is:
4-byte network byte order integer, recording where the
--
1.3.3.g45d8
-
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