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Diffstat (limited to 'Documentation/git-repack.txt')
-rw-r--r-- | Documentation/git-repack.txt | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/Documentation/git-repack.txt b/Documentation/git-repack.txt index 92f146d27d..24c00c9384 100644 --- a/Documentation/git-repack.txt +++ b/Documentation/git-repack.txt @@ -121,7 +121,9 @@ depth is 4095. If specified, multiple packfiles may be created, which also prevents the creation of a bitmap index. The default is unlimited, unless the config variable - `pack.packSizeLimit` is set. + `pack.packSizeLimit` is set. Note that this option may result in + a larger and slower repository; see the discussion in + `pack.packSizeLimit`. -b:: --write-bitmap-index:: @@ -165,9 +167,35 @@ depth is 4095. Pass the `--delta-islands` option to `git-pack-objects`, see linkgit:git-pack-objects[1]. -Configuration +-g=<factor>:: +--geometric=<factor>:: + Arrange resulting pack structure so that each successive pack + contains at least `<factor>` times the number of objects as the + next-largest pack. ++ +`git repack` ensures this by determining a "cut" of packfiles that need +to be repacked into one in order to ensure a geometric progression. It +picks the smallest set of packfiles such that as many of the larger +packfiles (by count of objects contained in that pack) may be left +intact. ++ +Unlike other repack modes, the set of objects to pack is determined +uniquely by the set of packs being "rolled-up"; in other words, the +packs determined to need to be combined in order to restore a geometric +progression. ++ +When `--unpacked` is specified, loose objects are implicitly included in +this "roll-up", without respect to their reachability. This is subject +to change in the future. This option (implying a drastically different +repack mode) is not guaranteed to work with all other combinations of +option to `git repack`. + +CONFIGURATION ------------- +Various configuration variables affect packing, see +linkgit:git-config[1] (search for "pack" and "delta"). + By default, the command passes `--delta-base-offset` option to 'git pack-objects'; this typically results in slightly smaller packs, but the generated packs are incompatible with versions of Git older than @@ -178,6 +206,10 @@ need to set the configuration variable `repack.UseDeltaBaseOffset` to is unaffected by this option as the conversion is performed on the fly as needed in that case. +Delta compression is not used on objects larger than the +`core.bigFileThreshold` configuration variable and on files with the +attribute `delta` set to false. + SEE ALSO -------- linkgit:git-pack-objects[1] |