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| author | Peter Eriksen <s022018@student.dtu.dk> | 2007-03-21 19:43:37 +0100 |
|---|---|---|
| committer | Junio C Hamano <junkio@cox.net> | 2007-03-22 03:05:19 -0700 |
| commit | 979ea5856cddace7223ddd715a448dbe49fcb290 (patch) | |
| tree | 7c222873a985b9feadb4bdc4e5174beec14b5b83 /Documentation/technical/pack-format.txt | |
| parent | a947ab79d43353ba29633f6716659d605d4600bc (diff) | |
| download | git-979ea5856cddace7223ddd715a448dbe49fcb290.tar.gz | |
Documentation/pack-format.txt: Clear up description of types.
Signed-off-by: Peter Eriksen <s022018@student.dtu.dk>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'Documentation/technical/pack-format.txt')
| -rw-r--r-- | Documentation/technical/pack-format.txt | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/technical/pack-format.txt b/Documentation/technical/pack-format.txt index 0e1ffb2427..9ce3c473ae 100644 --- a/Documentation/technical/pack-format.txt +++ b/Documentation/technical/pack-format.txt @@ -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). |