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builtin/pack-objects.c: support --max-pack-size with --cruft

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When pack-objects learned the `--cruft` option back in b757353676
(builtin/pack-objects.c: --cruft without expiration, 2022-05-20), we
explicitly forbade `--cruft` with `--max-pack-size`.

At the time, there was no specific rationale given in the patch for not
supporting the `--max-pack-size` option with `--cruft`. (As best I can
remember, it's because we were trying to push users towards only ever
having a single cruft pack, but I cannot be sure).

However, `--max-pack-size` is flexible enough that it already works with
`--cruft` and can shard unreachable objects across multiple cruft packs,
creating separate ".mtimes" files as appropriate. In fact, the
`--max-pack-size` option worked with `--cruft` as far back as
b757353676!

This is because we overwrite the `written_list`, and pass down the
appropriate length, i.e. the number of objects written in each pack
shard.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Taylor Blau
2023-08-28 18:49:07 -04:00
committed by Junio C Hamano
parent e741c07872
commit 61568efa95
4 changed files with 48 additions and 17 deletions
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4
builtin/pack-objects.c
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@ -4382,7 +4382,7 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
if (!HAVE_THREADS && delta_search_threads != 1)
warning(_("no threads support, ignoring --threads"));
if (!pack_to_stdout && !pack_size_limit && !cruft)
if (!pack_to_stdout && !pack_size_limit)
pack_size_limit = pack_size_limit_cfg;
if (pack_to_stdout && pack_size_limit)
die(_("--max-pack-size cannot be used to build a pack for transfer"));
@ -4414,8 +4414,6 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
die(_("cannot use internal rev list with --cruft"));
if (stdin_packs)
die(_("cannot use --stdin-packs with --cruft"));
if (pack_size_limit)
die(_("cannot use --max-pack-size with --cruft"));
}
/*