diff options
Diffstat (limited to 't/t7703-repack-geometric.sh')
| -rwxr-xr-x | t/t7703-repack-geometric.sh | 168 |
1 files changed, 166 insertions, 2 deletions
diff --git a/t/t7703-repack-geometric.sh b/t/t7703-repack-geometric.sh index 8821fbd2dd..9fc1626fbf 100755 --- a/t/t7703-repack-geometric.sh +++ b/t/t7703-repack-geometric.sh @@ -10,6 +10,12 @@ objdir=.git/objects packdir=$objdir/pack midx=$objdir/pack/multi-pack-index +packed_objects () { + git show-index <"$1" >tmp-object-list && + cut -d' ' -f2 tmp-object-list | sort && + rm tmp-object-list + } + test_expect_success '--geometric with no packs' ' git init geometric && test_when_finished "rm -fr geometric" && @@ -17,7 +23,7 @@ test_expect_success '--geometric with no packs' ' cd geometric && git repack --write-midx --geometric 2 >out && - test_i18ngrep "Nothing new to pack" out + test_grep "Nothing new to pack" out ) ' @@ -32,7 +38,7 @@ test_expect_success '--geometric with one pack' ' git repack --geometric 2 >out && - test_i18ngrep "Nothing new to pack" out + test_grep "Nothing new to pack" out ) ' @@ -281,4 +287,162 @@ test_expect_success '--geometric with pack.packSizeLimit' ' ) ' +test_expect_success '--geometric --write-midx with packfiles in main and alternate ODB' ' + test_when_finished "rm -fr shared member" && + + # Create a shared repository that will serve as the alternate object + # database for the member linked to it. It has got some objects on its + # own that are packed into a single packfile. + git init shared && + test_commit -C shared common-object && + git -C shared repack -ad && + + # We create member so that its alternates file points to the shared + # repository. We then create a commit in it so that git-repack(1) has + # something to repack. + # of the shared object database. + git clone --shared shared member && + test_commit -C member unique-object && + git -C member repack --geometric=2 --write-midx 2>err && + test_must_be_empty err && + + # We should see that a new packfile was generated. + find shared/.git/objects/pack -type f -name "*.pack" >packs && + test_line_count = 1 packs && + + # We should also see a multi-pack-index. This multi-pack-index should + # never refer to any packfiles in the alternate object database. + test_path_is_file member/.git/objects/pack/multi-pack-index && + test-tool read-midx member/.git/objects >packs.midx && + grep "^pack-.*\.idx$" packs.midx | sort >actual && + basename member/.git/objects/pack/pack-*.idx >expect && + test_cmp expect actual +' + +test_expect_success '--geometric --with-midx with no local objects' ' + test_when_finished "rm -fr shared member" && + + # Create a repository with a single packfile that acts as alternate + # object database. + git init shared && + test_commit -C shared "shared-objects" && + git -C shared repack -ad && + + # Create a second repository linked to the first one and perform a + # geometric repack on it. + git clone --shared shared member && + git -C member repack --geometric 2 --write-midx 2>err && + test_must_be_empty err && + + # Assert that we wrote neither a new packfile nor a multi-pack-index. + # We should not have a packfile because the single packfile in the + # alternate object database does not invalidate the geometric sequence. + # And we should not have a multi-pack-index because these only index + # local packfiles, and there are none. + test_dir_is_empty member/$packdir +' + +test_expect_success '--geometric with same pack in main and alternate ODB' ' + test_when_finished "rm -fr shared member" && + + # Create a repository with a single packfile that acts as alternate + # object database. + git init shared && + test_commit -C shared "shared-objects" && + git -C shared repack -ad && + + # We create the member repository as an exact copy so that it has the + # same packfile. + cp -r shared member && + test-tool path-utils real_path shared/.git/objects >member/.git/objects/info/alternates && + find shared/.git/objects -type f >expected-files && + + # Verify that we can repack objects as expected without observing any + # error. Having the same packfile in both ODBs used to cause an error + # in git-pack-objects(1). + git -C member repack --geometric 2 2>err && + test_must_be_empty err && + # Nothing should have changed. + find shared/.git/objects -type f >actual-files && + test_cmp expected-files actual-files +' + +test_expect_success '--geometric -l with non-intact geometric sequence across ODBs' ' + test_when_finished "rm -fr shared member" && + + git init shared && + test_commit_bulk -C shared --start=1 1 && + + git clone --shared shared member && + test_commit_bulk -C member --start=2 1 && + + # Verify that our assumptions actually hold: both generated packfiles + # should have three objects and should be non-equal. + packed_objects shared/.git/objects/pack/pack-*.idx >shared-objects && + packed_objects member/.git/objects/pack/pack-*.idx >member-objects && + test_line_count = 3 shared-objects && + test_line_count = 3 member-objects && + ! test_cmp shared-objects member-objects && + + # Perform the geometric repack. With `-l`, we should only see the local + # packfile and thus arrive at the conclusion that the geometric + # sequence is intact. We thus expect no changes. + # + # Note that we are tweaking mtimes of the packfiles so that we can + # verify they did not change. This is done in order to detect the case + # where we do repack objects, but the resulting packfile is the same. + test-tool chmtime --verbose =0 member/.git/objects/pack/* >expected-member-packs && + git -C member repack --geometric=2 -l -d && + test-tool chmtime --verbose member/.git/objects/pack/* >actual-member-packs && + test_cmp expected-member-packs actual-member-packs && + + { + packed_objects shared/.git/objects/pack/pack-*.idx && + packed_objects member/.git/objects/pack/pack-*.idx + } | sort >expected-objects && + + # On the other hand, when doing a non-local geometric repack we should + # see both packfiles and thus repack them. We expect that the shared + # object database was not changed. + test-tool chmtime --verbose =0 shared/.git/objects/pack/* >expected-shared-packs && + git -C member repack --geometric=2 -d && + test-tool chmtime --verbose shared/.git/objects/pack/* >actual-shared-packs && + test_cmp expected-shared-packs actual-shared-packs && + + # Furthermore, we expect that the member repository now has a single + # packfile that contains the combined shared and non-shared objects. + ls member/.git/objects/pack/pack-*.idx >actual && + test_line_count = 1 actual && + packed_objects member/.git/objects/pack/pack-*.idx >actual-objects && + test_line_count = 6 actual-objects && + test_cmp expected-objects actual-objects +' + +test_expect_success '--geometric -l disables writing bitmaps with non-local packfiles' ' + test_when_finished "rm -fr shared member" && + + git init shared && + test_commit_bulk -C shared --start=1 1 && + + git clone --shared shared member && + test_commit_bulk -C member --start=2 1 && + + # When performing a geometric repack with `-l` while connected to an + # alternate object database that has a packfile we do not have full + # coverage of objects. As a result, we expect that writing the bitmap + # will be disabled. + git -C member repack -l --geometric=2 --write-midx --write-bitmap-index 2>err && + cat >expect <<-EOF && + warning: disabling bitmap writing, as some objects are not being packed + EOF + test_cmp expect err && + test_path_is_missing member/.git/objects/pack/multi-pack-index-*.bitmap && + + # On the other hand, when we repack without `-l`, we should see that + # the bitmap gets created. + git -C member repack --geometric=2 --write-midx --write-bitmap-index 2>err && + test_must_be_empty err && + test_path_is_file member/.git/objects/pack/multi-pack-index-*.bitmap +' + test_done |