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Merge branch 'tb/remove-unused-pack-bitmap'

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When creating a multi-pack bitmap, remove per-pack bitmap files
unconditionally as they will never be consulted.

* tb/remove-unused-pack-bitmap:
  builtin/repack.c: remove redundant pack-based bitmaps
This commit is contained in:
Junio C Hamano 2022-10-28 11:26:54 -07:00
parent 7b9b634ca5 55d902cd61
commit c5dd7773e1
2 changed files with 53 additions and 0 deletions
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32
builtin/repack.c
View file

@ -661,6 +661,35 @@ static int write_midx_included_packs(struct string_list *include,
return finish_command(&cmd);
}
static void remove_redundant_bitmaps(struct string_list *include,
const char *packdir)
{
struct strbuf path = STRBUF_INIT;
struct string_list_item *item;
size_t packdir_len;
strbuf_addstr(&path, packdir);
strbuf_addch(&path, '/');
packdir_len = path.len;
/*
* Remove any pack bitmaps corresponding to packs which are now
* included in the MIDX.
*/
for_each_string_list_item(item, include) {
strbuf_addstr(&path, item->string);
strbuf_strip_suffix(&path, ".idx");
strbuf_addstr(&path, ".bitmap");
if (unlink(path.buf) && errno != ENOENT)
warning_errno(_("could not remove stale bitmap: %s"),
path.buf);
strbuf_setlen(&path, packdir_len);
}
strbuf_release(&path);
}
static int write_cruft_pack(const struct pack_objects_args *args,
const char *pack_prefix,
struct string_list *names,
@ -1059,6 +1088,9 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
refs_snapshot ? get_tempfile_path(refs_snapshot) : NULL,
show_progress, write_bitmaps > 0);
if (!ret && write_bitmaps)
remove_redundant_bitmaps(&include, packdir);
string_list_clear(&include, 0);
if (ret)

21
t/t7700-repack.sh
View file

@ -426,6 +426,27 @@ test_expect_success '--write-midx -b packs non-kept objects' '
)
'
test_expect_success '--write-midx removes stale pack-based bitmaps' '
rm -fr repo &&
git init repo &&
test_when_finished "rm -fr repo" &&
(
cd repo &&
test_commit base &&
GIT_TEST_MULTI_PACK_INDEX=0 git repack -Ab &&
pack_bitmap=$(ls $objdir/pack/pack-*.bitmap) &&
test_path_is_file "$pack_bitmap" &&
test_commit tip &&
GIT_TEST_MULTI_PACK_INDEX=0 git repack -bm &&
test_path_is_file $midx &&
test_path_is_file $midx-$(midx_checksum $objdir).bitmap &&
test_path_is_missing $pack_bitmap
)
'
test_expect_success '--write-midx with --pack-kept-objects' '
git init repo &&
test_when_finished "rm -fr repo" &&