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Documentation/pack-format.txt: Clear up description of types.

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Signed-off-by: Peter Eriksen <s022018@student.dtu.dk>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Peter Eriksen 2007-03-21 19:43:37 +01:00 committed by Junio C Hamano
parent a947ab79d4
commit 979ea5856c
1 changed files with 6 additions and 4 deletions
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10
Documentation/technical/pack-format.txt
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@ -21,11 +21,11 @@ GIT pack format
which looks like this:
(undeltified representation)
n-byte type and length (4-bit type, (n-1)*7+4-bit length)
n-byte type and length (3-bit type, (n-1)*7+4-bit length)
compressed data
(deltified representation)
n-byte type and length (4-bit type, (n-1)*7+4-bit length)
n-byte type and length (3-bit type, (n-1)*7+4-bit length)
20-byte base object name
compressed delta data
@ -102,11 +102,13 @@ trailer | | packfile checksum |
Pack file entry: <+
packed object header:
1-byte type (upper 4-bit)
1-byte size extension bit (MSB)
type (next 3 bit)
size0 (lower 4-bit)
n-byte sizeN (as long as MSB is set, each 7-bit)
size0..sizeN form 4+7+7+..+7 bit integer, size0
is the most significant part.
is the least significant part, and sizeN is the
most significant part.
packed object data:
If it is not DELTA, then deflated bytes (the size above
is the size before compression).