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Taylor Blau d54da84bd9 midx: enable reachability bitmaps during MIDX compaction 
Enable callers to generate reachability bitmaps when performing MIDX
layer compaction by combining all existing bitmaps from the compacted
layers.

Note that because of the object/pack ordering described by the previous
commit, the pseudo-pack order for the compacted MIDX is the same as
concatenating the individual pseudo-pack orderings for each layer in the
compaction range.

As a result, the only non-test or documentation change necessary is to
treat all objects as non-preferred during compaction so as not to
disturb the object ordering.

In the future, we may want to adjust which commit(s) receive
reachability bitmaps when compacting multiple .bitmap files into one, or
even generate new bitmaps (e.g., if the references have moved
significantly since the .bitmap was generated). This commit only
implements combining all existing bitmaps in range together in order to
demonstrate and lay the groundwork for more exotic strategies.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
 		2026-02-24 11:16:35 -08:00
..
add.c Merge branch 'jt/odb-transaction' 2025-10-02 12:26:11 -07:00
am.c Merge branch 'ps/commit-list-functions-renamed' 2026-02-13 13:39:25 -08:00
annotate.c Merge branch 'jc/a-commands-without-the-repo' 2024-10-25 14:02:36 -04:00
apply.c builtin: use default hash when outside a repository 2025-07-01 14:58:24 -07:00
archive.c archive: remove the_repository global variable 2024-10-11 09:37:18 -07:00
backfill.c packfile: split up responsibilities of `reprepare_packed_git()` 2025-09-24 11:53:50 -07:00
bisect.c Merge branch 'ps/ref-peeled-tags' 2025-11-19 10:55:39 -08:00
blame.c Merge branch 'rs/clean-includes' 2026-02-17 13:30:42 -08:00
branch.c branch: advice using git-help(1) instead of man(1) 2025-12-03 00:16:05 -08:00
bugreport.c object-file: move `safe_create_leading_directories()` into "path.c" 2025-04-15 08:24:35 -07:00
bundle.c Merge branch 'jt/bundle-fsck' 2024-12-13 07:33:36 -08:00
cat-file.c Merge branch 'ps/read-object-info-improvements' 2026-01-21 08:29:00 -08:00
check-attr.c config: drop `git_config()` wrapper 2025-07-23 08:15:18 -07:00
check-ignore.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
check-mailmap.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
check-ref-format.c builtin: send usage() help text to standard output 2025-01-17 13:30:03 -08:00
checkout--worker.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
checkout-index.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
checkout.c xdiff-interface: stop using the_repository 2026-02-10 08:16:14 -08:00
clean.c Merge branch 'jk/color-variable-fixes' 2025-09-29 11:40:35 -07:00
clone.c string-list: add string_list_sort_u() that mimics "sort -u" 2026-01-29 09:32:50 -08:00
column.c config: drop `git_config()` wrapper 2025-07-23 08:15:18 -07:00
commit-graph.c commit-graph: add new config for changed-paths & recommend it in scalar 2025-10-22 10:40:11 -07:00
commit-tree.c commit: rename `free_commit_list()` to conform to coding guidelines 2026-01-15 05:32:31 -08:00
commit.c Merge branch 'ps/commit-list-functions-renamed' 2026-02-13 13:39:25 -08:00
config.c Merge branch 'rs/config-set-multi-error-message-fix' 2025-12-05 14:49:59 +09:00
count-objects.c packfile: introduce macro to iterate through packs 2025-10-16 14:42:39 -07:00
credential-cache--daemon.c config: drop `git_config_get_bool()` wrapper 2025-07-23 08:15:20 -07:00
credential-cache.c Merge branch 'rj/cygwin-exit' 2024-11-01 12:53:19 -04:00
credential-store.c builtin/credential-store: move is_rfc3986_unreserved to url.[ch] 2026-01-12 11:56:56 -08:00
credential.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
describe.c commit: rename `free_commit_list()` to conform to coding guidelines 2026-01-15 05:32:31 -08:00
diagnose.c object-file: move `safe_create_leading_directories()` into "path.c" 2025-04-15 08:24:35 -07:00
diff-files.c config: drop `git_config()` wrapper 2025-07-23 08:15:18 -07:00
diff-index.c config: drop `git_config()` wrapper 2025-07-23 08:15:18 -07:00
diff-pairs.c builtin/diff-pairs: allow explicit diff queue flush 2025-03-03 08:17:47 -08:00
diff-tree.c Merge branch 'ps/commit-list-functions-renamed' 2026-02-13 13:39:25 -08:00
diff.c diff: --no-index should ignore the worktree 2025-08-09 17:22:01 -07:00
difftool.c odb: rename `repo_read_object_file()` 2025-07-01 14:46:38 -07:00
fast-export.c string-list: add string_list_sort_u() that mimics "sort -u" 2026-01-29 09:32:50 -08:00
fast-import.c packfile: move packfile store into object source 2026-01-09 06:40:07 -08:00
fetch-pack.c builtin/fetch-pack: cleanup before return error 2025-06-04 08:52:25 -07:00
fetch.c fetch: delay user information post committing of transaction 2026-01-25 22:27:34 -08:00
fmt-merge-msg.c builtin/fmt-merge-msg: stop depending on 'the_repository' 2025-08-11 09:19:40 -07:00
for-each-ref.c Merge branch 'ms/refs-list' 2025-08-22 13:13:20 -07:00
for-each-repo.c global: trivial conversions to fix `-Wsign-compare` warnings 2024-12-06 20:20:04 +09:00
fsck.c Merge branch 'ps/ref-consistency-checks' 2026-01-21 08:28:58 -08:00
fsmonitor--daemon.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
gc.c Merge branch 'ps/commit-list-functions-renamed' 2026-02-13 13:39:25 -08:00
get-tar-commit-id.c builtin: send usage() help text to standard output 2025-01-17 13:30:03 -08:00
grep.c packfile: only prepare owning store in `packfile_store_prepare()` 2026-01-09 06:40:07 -08:00
hash-object.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
help.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
history.c builtin/history: implement "reword" subcommand 2026-01-13 05:41:17 -08:00
hook.c Revert "Merge branch 'ar/run-command-hook'" 2026-01-15 13:02:38 -08:00
index-pack.c packfile: move packfile store into object source 2026-01-09 06:40:07 -08:00
init-db.c Merge branch 'ps/parse-options-integers' 2025-04-24 17:25:34 -07:00
interpret-trailers.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
last-modified.c Merge branch 'tc/last-modified-not-a-tree' 2026-02-13 13:39:25 -08:00
log.c Merge branch 'rs/clean-includes' 2026-02-17 13:30:42 -08:00
ls-files.c Merge branch 'ds/ls-files-lazy-unsparse' 2025-09-08 14:54:35 -07:00
ls-remote.c ref-filter: propagate peeled object ID 2025-11-04 07:32:25 -08:00
ls-tree.c cocci: convert parse_tree functions to repo_ variants 2026-01-09 18:36:18 -08:00
mailinfo.c mailinfo: stop using `the_repository` 2024-12-18 10:44:31 -08:00
mailsplit.c builtin: send usage() help text to standard output 2025-01-17 13:30:03 -08:00
merge-base.c commit: rename `free_commit_list()` to conform to coding guidelines 2026-01-15 05:32:31 -08:00
merge-file.c Merge branch 'rs/xdiff-wo-the-repository' 2026-02-17 13:30:42 -08:00
merge-index.c builtin: send usage() help text to standard output 2025-01-17 13:30:03 -08:00
merge-ours.c merge-ours: integrate with sparse-index 2026-02-06 11:45:33 -08:00
merge-recursive.c builtin: also setup gently for --help-all 2025-08-08 11:13:12 -07:00
merge-tree.c Merge branch 'ps/commit-list-functions-renamed' 2026-02-13 13:39:25 -08:00
merge.c Merge branch 'ps/commit-list-functions-renamed' 2026-02-13 13:39:25 -08:00
mktag.c Merge branch 'ps/object-file-wo-the-repository' 2025-08-05 11:53:55 -07:00
mktree.c odb: introduce `odb_write_object()` 2025-07-16 22:16:15 -07:00
multi-pack-index.c midx: enable reachability bitmaps during MIDX compaction 2026-02-24 11:16:35 -08:00
mv.c config: drop `git_config()` wrapper 2025-07-23 08:15:18 -07:00
name-rev.c name-rev: use commit_stack 2025-12-25 08:29:27 +09:00
notes.c Merge branch 'jc/strbuf-split' 2025-08-21 13:47:00 -07:00
pack-objects.c Merge branch 'rs/clean-includes' 2026-02-17 13:30:42 -08:00
pack-redundant.c Merge branch 'ps/remove-packfile-store-get-packs' 2025-10-30 08:00:19 -07:00
pack-refs.c builtin/pack-refs: factor out core logic into a shared library 2025-09-19 10:02:55 -07:00
patch-id.c patch-id: use “patch ID” throughout 2026-01-09 06:07:21 -08:00
prune-packed.c
…
prune.c Merge branch 'ps/object-file-wo-the-repository' 2025-08-05 11:53:55 -07:00
pull.c commit: rename `free_commit_list()` to conform to coding guidelines 2026-01-15 05:32:31 -08:00
push.c color: use git_colorbool enum type to store colorbools 2025-09-16 17:59:53 -07:00
range-diff.c Merge branch 'kh/format-patch-range-diff-notes' 2025-10-14 12:56:09 -07:00
read-tree.c cocci: convert parse_tree functions to repo_ variants 2026-01-09 18:36:18 -08:00
rebase.c commit: rename `free_commit_list()` to conform to coding guidelines 2026-01-15 05:32:31 -08:00
receive-pack.c Merge branch 'cf/c23-const-preserving-strchr-updates-0' 2026-02-13 13:39:25 -08:00
reflog.c Merge branch 'ps/reflog-migrate-fixes' into maint-2.51 2025-10-15 10:29:28 -07:00
refs.c Merge branch 'ms/refs-optimize' 2025-10-02 12:26:12 -07:00
remote-ext.c builtin: send usage() help text to standard output 2025-01-17 13:30:03 -08:00
remote-fd.c builtin: send usage() help text to standard output 2025-01-17 13:30:03 -08:00
remote.c global: constify some pointers that are not written to 2026-02-05 17:52:49 -08:00
repack.c builtin/repack: handle promisor packs with geometric repacking 2026-01-14 06:29:24 -08:00
replace.c refs: introduce wrapper struct for `each_ref_fn` 2025-11-04 07:32:24 -08:00
replay.c builtin/replay: move core logic into "libgit.a" 2026-01-13 05:41:16 -08:00
repo.c Merge branch 'jt/repo-struct-more-objinfo' 2025-12-30 12:58:19 +09:00
rerere.c config: drop `git_config()` wrapper 2025-07-23 08:15:18 -07:00
reset.c cocci: convert parse_tree functions to repo_ variants 2026-01-09 18:36:18 -08:00
rev-list.c commit: rename `free_commit_list()` to conform to coding guidelines 2026-01-15 05:32:31 -08:00
rev-parse.c Merge branch 'ps/ref-peeled-tags' 2025-11-19 10:55:39 -08:00
revert.c Merge branch 'pw/3.0-commentchar-auto-deprecation' 2025-09-18 10:07:00 -07:00
rm.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
send-pack.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
shortlog.c global: constify some pointers that are not written to 2026-02-05 17:52:49 -08:00
show-branch.c commit: rename `free_commit_list()` to conform to coding guidelines 2026-01-15 05:32:31 -08:00
show-index.c show-index: use gettext wrapping in user facing error messages 2026-01-30 08:58:12 -08:00
show-ref.c builtin/show-ref: convert to use `reference_get_peeled_oid()` 2025-11-04 07:32:25 -08:00
sparse-checkout.c Merge branch 'ac/string-list-sort-u-and-tests' 2026-02-09 12:09:10 -08:00
stash.c Merge branch 'ps/commit-list-functions-renamed' 2026-02-13 13:39:25 -08:00
stripspace.c config: drop `git_config()` wrapper 2025-07-23 08:15:18 -07:00
submodule--helper.c Merge branch 'ar/submodule-gitdir-tweak' 2026-02-05 15:41:58 -08:00
symbolic-ref.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
tag.c tag: support arbitrary repositories in gpg_verify_tag() 2025-12-29 22:02:53 +09:00
unpack-file.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
unpack-objects.c object-file: refactor writing objects via a stream 2025-11-03 12:18:48 -08:00
update-index.c odb: add transaction interface 2025-09-16 11:37:06 -07:00
update-ref.c update-ref: utilize rejected error details if available 2026-01-25 22:27:33 -08:00
update-server-info.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
upload-archive.c path: move `enter_repo()` into "setup.c" 2025-11-19 17:41:03 -08:00
upload-pack.c path: move `enter_repo()` into "setup.c" 2025-11-19 17:41:03 -08:00
var.c Merge branch 'jc/string-list-split' 2025-08-21 13:46:59 -07:00
verify-commit.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
verify-pack.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00
verify-tag.c tag: support arbitrary repositories in gpg_verify_tag() 2025-12-29 22:02:53 +09:00
worktree.c Merge branch 'sb/doc-worktree-prune-expire-improvement' 2026-02-09 12:09:10 -08:00
write-tree.c config: move Git config parsing into "environment.c" 2025-07-23 08:15:22 -07:00