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Merge branch 'tb/incremental-midx-part-1'

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Incremental updates of multi-pack index files.

* tb/incremental-midx-part-1:
  midx: implement support for writing incremental MIDX chains
  t/t5313-pack-bounds-checks.sh: prepare for sub-directories
  t: retire 'GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP'
  midx: implement verification support for incremental MIDXs
  midx: support reading incremental MIDX chains
  midx: teach `midx_fanout_add_midx_fanout()` about incremental MIDXs
  midx: teach `midx_preferred_pack()` about incremental MIDXs
  midx: teach `midx_contains_pack()` about incremental MIDXs
  midx: remove unused `midx_locate_pack()`
  midx: teach `fill_midx_entry()` about incremental MIDXs
  midx: teach `nth_midxed_offset()` about incremental MIDXs
  midx: teach `bsearch_midx()` about incremental MIDXs
  midx: introduce `bsearch_one_midx()`
  midx: teach `nth_bitmapped_pack()` about incremental MIDXs
  midx: teach `nth_midxed_object_oid()` about incremental MIDXs
  midx: teach `prepare_midx_pack()` about incremental MIDXs
  midx: teach `nth_midxed_pack_int_id()` about incremental MIDXs
  midx: add new fields for incremental MIDX chains
  Documentation: describe incremental MIDX format
This commit is contained in:
Junio C Hamano
2024-08-19 11:07:37 -07:00
parent 53129a0680 fcb2205b77
commit b9497848df
24 changed files with 958 additions and 259 deletions
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8
builtin/repack.c
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@ -1218,10 +1218,6 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
if (!write_midx &&
(!(pack_everything & ALL_INTO_ONE) || !is_bare_repository()))
write_bitmaps = 0;
} else if (write_bitmaps &&
git_env_bool(GIT_TEST_MULTI_PACK_INDEX, 0) &&
git_env_bool(GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP, 0)) {
write_bitmaps = 0;
}
if (pack_kept_objects < 0)
pack_kept_objects = write_bitmaps > 0 && !write_midx;
@ -1521,8 +1517,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX, 0)) {
unsigned flags = 0;
if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP, 0))
flags |= MIDX_WRITE_BITMAP | MIDX_WRITE_REV_INDEX;
if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX_WRITE_INCREMENTAL, 0))
flags |= MIDX_WRITE_INCREMENTAL;
write_midx_file(get_object_directory(), NULL, NULL, flags);
}