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| author | Christian Couder <christian.couder@gmail.com> | 2023-10-02 18:55:03 +0200 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2023-10-02 14:54:31 -0700 |
| commit | 71c5aec1f54eba5a2856f72d85823af64e5deb34 (patch) | |
| tree | c8445bbf0b2a8f5c6f22e96cbab6093ea93f6ac2 /Documentation/git-repack.txt | |
| parent | 1cd43a9ed96831b983fada37a71daacb6be373dc (diff) | |
| download | git-71c5aec1f54eba5a2856f72d85823af64e5deb34.tar.gz | |
repack: implement `--filter-to` for storing filtered out objects
A previous commit has implemented `git repack --filter=<filter-spec>` to
allow users to filter out some objects from the main pack and move them
into a new different pack.
It would be nice if this new different pack could be created in a
different directory than the regular pack. This would make it possible
to move large blobs into a pack on a different kind of storage, for
example cheaper storage.
Even in a different directory, this pack can be accessible if, for
example, the Git alternates mechanism is used to point to it. In fact
not using the Git alternates mechanism can corrupt a repo as the
generated pack containing the filtered objects might not be accessible
from the repo any more. So setting up the Git alternates mechanism
should be done before using this feature if the user wants the repo to
be fully usable while this feature is used.
In some cases, like when a repo has just been cloned or when there is no
other activity in the repo, it's Ok to setup the Git alternates
mechanism afterwards though. It's also Ok to just inspect the generated
packfile containing the filtered objects and then just move it into the
'.git/objects/pack/' directory manually. That's why it's not necessary
for this command to check that the Git alternates mechanism has been
already setup.
While at it, as an example to show that `--filter` and `--filter-to`
work well with other options, let's also add a test to check that these
options work well with `--max-pack-size`.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'Documentation/git-repack.txt')
| -rw-r--r-- | Documentation/git-repack.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/git-repack.txt b/Documentation/git-repack.txt index 6d5bec7716..8545a32667 100644 --- a/Documentation/git-repack.txt +++ b/Documentation/git-repack.txt @@ -155,6 +155,17 @@ depth is 4095. a single packfile containing all the objects. See linkgit:git-rev-list[1] for valid `<filter-spec>` forms. +--filter-to=<dir>:: + Write the pack containing filtered out objects to the + directory `<dir>`. Only useful with `--filter`. This can be + used for putting the pack on a separate object directory that + is accessed through the Git alternates mechanism. **WARNING:** + If the packfile containing the filtered out objects is not + accessible, the repo can become corrupt as it might not be + possible to access the objects in that packfile. See the + `objects` and `objects/info/alternates` sections of + linkgit:gitrepository-layout[5]. + -b:: --write-bitmap-index:: Write a reachability bitmap index as part of the repack. This |