diff options
Diffstat (limited to 'Documentation/technical')
| -rw-r--r-- | Documentation/technical/pack-format.txt | 11 | ||||
| -rw-r--r-- | Documentation/technical/pack-heuristics.txt | 2 |
2 files changed, 9 insertions, 4 deletions
diff --git a/Documentation/technical/pack-format.txt b/Documentation/technical/pack-format.txt index ed2decc107..0e1ffb2427 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 diff --git a/Documentation/technical/pack-heuristics.txt b/Documentation/technical/pack-heuristics.txt index eaab3eecd7..9aadd5cee5 100644 --- a/Documentation/technical/pack-heuristics.txt +++ b/Documentation/technical/pack-heuristics.txt @@ -288,7 +288,7 @@ And of course there is the "Other Shoe" Factor too. - we actively try to generate deltas from a larger object to a smaller one - this means that the top-of-tree very seldom has deltas - (ie deltas in _practice_ are "backwards deltas") + (i.e. deltas in _practice_ are "backwards deltas") Again, we should reread that whole paragraph. Not just because Linus has slipped Linus's Law in there on us, but because it is |