From: Junio C Hamano <gitster@pobox.com> To: Derrick Stolee <stolee@gmail.com> Cc: git@vger.kernel.org, dstolee@microsoft.com, sbeller@google.com, pclouds@gmail.com, avarab@gmail.com, sunshine@sunshineco.com, szeder.dev@gmail.com Subject: Re: [PATCH v4 16/23] config: create core.multiPackIndex setting Date: Thu, 12 Jul 2018 14:05:56 -0700 Message-ID: <xmqqin5kupu3.fsf@gitster-ct.c.googlers.com> (raw) In-Reply-To: <20180712193940.21065-17-dstolee@microsoft.com> (Derrick Stolee's message of "Thu, 12 Jul 2018 15:39:33 -0400") Derrick Stolee <stolee@gmail.com> writes: > The core.multiPackIndex config setting controls the multi-pack- > index (MIDX) feature. If false, the setting will disable all reads > from the multi-pack-index file. > > Read this config setting in the new prepare_multi_pack_index_one() > which is called during prepare_packed_git(). This check is run once > per repository. > > Add comparison commands in t5319-multi-pack-index.sh to check > typical Git behavior remains the same as the config setting is turned > on and off. This currently includes 'git rev-list' and 'git log' > commands to trigger several object database reads. Currently, these > would only catch an error in the prepare_multi_pack_index_one(), but > with later commits will catch errors in object lookups, abbreviations, > and approximate object counts. > > Signed-off-by: Derrick Stolee <dstolee@microsoft.com> > > midx: prepare midxed_git struct > > Signed-off-by: Derrick Stolee <dstolee@microsoft.com> What is going on around here? > diff --git a/t/t5319-multi-pack-index.sh b/t/t5319-multi-pack-index.sh > index 4a4fa26f7a..601e28a2f0 100755 > --- a/t/t5319-multi-pack-index.sh > +++ b/t/t5319-multi-pack-index.sh > @@ -3,6 +3,8 @@ > test_description='multi-pack-indexes' > . ./test-lib.sh > > +objdir=.git/objects > + > midx_read_expect () { > NUM_PACKS=$1 > NUM_OBJECTS=$2 > @@ -76,18 +78,35 @@ test_expect_success 'create objects' ' > ' > > test_expect_success 'write midx with one v1 pack' ' > - pack=$(git pack-objects --index-version=1 pack/test <obj-list) && > - test_when_finished rm pack/test-$pack.pack pack/test-$pack.idx pack/multi-pack-index && > - git multi-pack-index --object-dir=. write && > - midx_read_expect 1 18 4 . > + pack=$(git pack-objects --index-version=1 $objdir/pack/test <obj-list) && > + test_when_finished rm $objdir/pack/test-$pack.pack \ > + $objdir/pack/test-$pack.idx $objdir/pack/multi-pack-index && > + git multi-pack-index --object-dir=$objdir write && > + midx_read_expect 1 18 4 $objdir Hmph, so we used to run tests as if $cwd were GIT_OBJECT_DIRECTORY but now we are running them from the top-level of the working tree, just like all the other tests? Interesting. > ' > > +midx_git_two_modes() { > + git -c core.multiPackIndex=false $1 >expect && > + git -c core.multiPackIndex=true $1 >actual && > + test_cmp expect actual > +} > + > +compare_results_with_midx() { Style: "compare_results_with_midx () {", just like mdx_read_expect near the top of the file, but unlike midx_git_two_modes we see nearby. Please keep "git grep 'funcname () {'" a usable way to locate where a shell function is defined without forcing people to type an asterisk.
next prev parent reply index Thread overview: 192+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-06-07 14:03 [PATCH 00/23] Multi-pack-index (MIDX) Derrick Stolee 2018-06-07 14:03 ` [PATCH 01/23] midx: add design document Derrick Stolee 2018-06-11 19:04 ` Stefan Beller 2018-06-18 18:48 ` Derrick Stolee 2018-06-07 14:03 ` [PATCH 02/23] midx: add midx format details to pack-format.txt Derrick Stolee 2018-06-11 19:19 ` Stefan Beller 2018-06-18 19:01 ` Derrick Stolee 2018-06-18 19:41 ` Stefan Beller 2018-06-07 14:03 ` [PATCH 03/23] midx: add midx builtin Derrick Stolee 2018-06-07 17:20 ` Duy Nguyen 2018-06-18 19:23 ` Derrick Stolee 2018-06-11 21:02 ` Stefan Beller 2018-06-18 19:40 ` Derrick Stolee 2018-06-18 19:55 ` Stefan Beller 2018-06-18 19:58 ` Derrick Stolee 2018-06-07 14:03 ` [PATCH 04/23] midx: add 'write' subcommand and basic wiring Derrick Stolee 2018-06-07 17:27 ` Duy Nguyen 2018-06-07 14:03 ` [PATCH 05/23] midx: write header information to lockfile Derrick Stolee 2018-06-07 17:35 ` Duy Nguyen 2018-06-12 15:00 ` Duy Nguyen 2018-06-19 12:54 ` Derrick Stolee 2018-06-19 14:59 ` Duy Nguyen 2018-06-19 15:24 ` Derrick Stolee 2018-06-07 14:03 ` [PATCH 06/23] midx: struct midxed_git and 'read' subcommand Derrick Stolee 2018-06-07 17:54 ` Duy Nguyen 2018-06-20 13:13 ` Derrick Stolee 2018-06-07 18:31 ` Duy Nguyen 2018-06-20 13:33 ` Derrick Stolee 2018-06-20 15:07 ` Duy Nguyen 2018-06-20 16:39 ` Derrick Stolee 2018-06-07 14:03 ` [PATCH 07/23] midx: expand test data Derrick Stolee 2018-06-07 14:03 ` [PATCH 08/23] midx: read packfiles from pack directory Derrick Stolee 2018-06-07 18:03 ` Duy Nguyen 2018-06-20 16:33 ` [PATCH] packfile: generalize pack directory list Derrick Stolee 2018-06-07 14:03 ` [PATCH 09/23] midx: write pack names in chunk Derrick Stolee 2018-06-07 18:26 ` Duy Nguyen 2018-06-21 15:25 ` Derrick Stolee 2018-06-21 17:38 ` Junio C Hamano 2018-06-22 18:25 ` Derrick Stolee 2018-06-22 18:31 ` Junio C Hamano 2018-06-22 18:32 ` Derrick Stolee 2018-06-07 14:03 ` [PATCH 10/23] midx: write a lookup into the pack names chunk Derrick Stolee 2018-06-09 16:43 ` Duy Nguyen 2018-06-21 17:23 ` Derrick Stolee 2018-06-07 14:03 ` [PATCH 11/23] midx: sort and deduplicate objects from packfiles Derrick Stolee 2018-06-09 17:07 ` Duy Nguyen 2018-06-21 17:54 ` Derrick Stolee 2018-06-07 14:03 ` [PATCH 12/23] midx: write object ids in a chunk Derrick Stolee 2018-06-09 17:25 ` Duy Nguyen 2018-06-07 14:03 ` [PATCH 13/23] midx: write object id fanout chunk Derrick Stolee 2018-06-09 17:28 ` Duy Nguyen 2018-06-21 19:49 ` Derrick Stolee 2018-06-07 14:03 ` [PATCH 14/23] midx: write object offsets Derrick Stolee 2018-06-09 17:41 ` Duy Nguyen 2018-06-07 14:03 ` [PATCH 15/23] midx: create core.midx config setting Derrick Stolee 2018-06-07 14:03 ` [PATCH 16/23] midx: prepare midxed_git struct Derrick Stolee 2018-06-09 17:47 ` Duy Nguyen 2018-06-07 14:03 ` [PATCH 17/23] midx: read objects from multi-pack-index Derrick Stolee 2018-06-09 17:56 ` Duy Nguyen 2018-06-21 20:03 ` Derrick Stolee 2018-06-07 14:03 ` [PATCH 18/23] midx: use midx in abbreviation calculations Derrick Stolee 2018-06-09 18:01 ` Duy Nguyen 2018-06-22 18:38 ` Derrick Stolee 2018-06-07 14:03 ` [PATCH 19/23] midx: use existing midx when writing new one Derrick Stolee 2018-06-07 14:03 ` [PATCH 20/23] midx: use midx in approximate_object_count Derrick Stolee 2018-06-09 18:03 ` Duy Nguyen 2018-06-22 18:39 ` Derrick Stolee 2018-06-07 14:03 ` [PATCH 21/23] midx: prevent duplicate packfile loads Derrick Stolee 2018-06-09 18:05 ` Duy Nguyen 2018-06-07 14:03 ` [PATCH 22/23] midx: use midx to find ref-deltas Derrick Stolee 2018-06-07 14:03 ` [PATCH 23/23] midx: clear midx on repack Derrick Stolee 2018-06-09 18:13 ` Duy Nguyen 2018-06-22 18:44 ` Derrick Stolee 2018-06-07 14:06 ` [PATCH 00/23] Multi-pack-index (MIDX) Derrick Stolee 2018-06-07 14:45 ` Ævar Arnfjörð Bjarmason 2018-06-07 14:54 ` Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 00/24] " Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 01/24] multi-pack-index: add design document Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 02/24] multi-pack-index: add format details Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 03/24] multi-pack-index: add builtin Derrick Stolee 2018-06-25 19:15 ` Junio C Hamano 2018-06-25 14:34 ` [PATCH v2 04/24] multi-pack-index: add 'write' verb Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 05/24] midx: write header information to lockfile Derrick Stolee 2018-06-25 19:19 ` Junio C Hamano 2018-07-05 19:13 ` Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 06/24] multi-pack-index: load into memory Derrick Stolee 2018-06-25 19:38 ` Junio C Hamano 2018-07-05 14:19 ` Derrick Stolee 2018-07-05 18:58 ` Eric Sunshine 2018-07-06 19:20 ` Junio C Hamano 2018-06-25 14:34 ` [PATCH v2 07/24] multi-pack-index: expand test data Derrick Stolee 2018-06-25 19:45 ` Junio C Hamano 2018-06-25 14:34 ` [PATCH v2 08/24] packfile: generalize pack directory list Derrick Stolee 2018-06-25 19:57 ` Junio C Hamano 2018-06-25 14:34 ` [PATCH v2 09/24] multi-pack-index: read packfile list Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 10/24] multi-pack-index: write pack names in chunk Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 11/24] midx: read pack names into array Derrick Stolee 2018-06-25 23:52 ` Eric Sunshine 2018-06-25 14:34 ` [PATCH v2 12/24] midx: sort and deduplicate objects from packfiles Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 13/24] midx: write object ids in a chunk Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 14/24] midx: write object id fanout chunk Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 15/24] midx: write object offsets Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 16/24] config: create core.multiPackIndex setting Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 17/24] midx: prepare midxed_git struct Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 18/24] midx: read objects from multi-pack-index Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 19/24] midx: use midx in abbreviation calculations Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 20/24] midx: use existing midx when writing new one Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 21/24] midx: use midx in approximate_object_count Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 22/24] midx: prevent duplicate packfile loads Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 23/24] packfile: skip loading index if in multi-pack-index Derrick Stolee 2018-06-25 14:34 ` [PATCH v2 24/24] midx: clear midx on repack Derrick Stolee 2018-07-06 0:52 ` [PATCH v3 00/24] Multi-pack-index (MIDX) Derrick Stolee 2018-07-06 0:52 ` [PATCH v3 01/24] multi-pack-index: add design document Derrick Stolee 2018-07-06 0:52 ` [PATCH v3 02/24] multi-pack-index: add format details Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 03/24] multi-pack-index: add builtin Derrick Stolee 2018-07-06 3:54 ` Eric Sunshine 2018-07-06 0:53 ` [PATCH v3 04/24] multi-pack-index: add 'write' verb Derrick Stolee 2018-07-06 4:07 ` Eric Sunshine 2018-07-06 0:53 ` [PATCH v3 05/24] midx: write header information to lockfile Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 06/24] multi-pack-index: load into memory Derrick Stolee 2018-07-06 4:19 ` Eric Sunshine 2018-07-06 5:18 ` Eric Sunshine 2018-07-09 19:08 ` Junio C Hamano 2018-07-12 16:06 ` Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 07/24] multi-pack-index: expand test data Derrick Stolee 2018-07-06 4:36 ` Eric Sunshine 2018-07-06 5:20 ` Eric Sunshine 2018-07-12 14:10 ` Derrick Stolee 2018-07-12 18:02 ` Eric Sunshine 2018-07-12 18:06 ` Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 08/24] packfile: generalize pack directory list Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 09/24] multi-pack-index: read packfile list Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 10/24] multi-pack-index: write pack names in chunk Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 11/24] midx: read pack names into array Derrick Stolee 2018-07-06 4:58 ` Eric Sunshine 2018-07-06 0:53 ` [PATCH v3 12/24] midx: sort and deduplicate objects from packfiles Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 13/24] midx: write object ids in a chunk Derrick Stolee 2018-07-06 5:04 ` Eric Sunshine 2018-07-06 0:53 ` [PATCH v3 14/24] midx: write object id fanout chunk Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 15/24] midx: write object offsets Derrick Stolee 2018-07-06 5:27 ` Eric Sunshine 2018-07-12 16:33 ` Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 16/24] config: create core.multiPackIndex setting Derrick Stolee 2018-07-06 5:39 ` Eric Sunshine 2018-07-12 13:19 ` Derrick Stolee 2018-07-12 16:30 ` Derrick Stolee 2018-07-11 9:48 ` SZEDER Gábor 2018-07-12 13:01 ` Derrick Stolee 2018-07-12 13:31 ` SZEDER Gábor 2018-07-12 15:40 ` Derrick Stolee 2018-07-12 17:29 ` Junio C Hamano 2018-07-06 0:53 ` [PATCH v3 17/24] midx: prepare midxed_git struct Derrick Stolee 2018-07-06 5:41 ` Eric Sunshine 2018-07-06 0:53 ` [PATCH v3 18/24] midx: read objects from multi-pack-index Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 19/24] midx: use midx in abbreviation calculations Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 20/24] midx: use existing midx when writing new one Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 21/24] midx: use midx in approximate_object_count Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 22/24] midx: prevent duplicate packfile loads Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 23/24] packfile: skip loading index if in multi-pack-index Derrick Stolee 2018-07-06 0:53 ` [PATCH v3 24/24] midx: clear midx on repack Derrick Stolee 2018-07-06 5:52 ` Eric Sunshine 2018-07-12 19:39 ` [PATCH v4 00/23] Multi-pack-index (MIDX) Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 01/23] multi-pack-index: add design document Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 02/23] multi-pack-index: add format details Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 03/23] multi-pack-index: add builtin Derrick Stolee 2018-07-20 18:22 ` Junio C Hamano 2018-07-20 22:15 ` brian m. carlson 2018-07-20 22:28 ` Junio C Hamano 2018-07-12 19:39 ` [PATCH v4 04/23] multi-pack-index: add 'write' verb Derrick Stolee 2018-07-12 22:56 ` Eric Sunshine 2018-07-12 19:39 ` [PATCH v4 05/23] midx: write header information to lockfile Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 06/23] multi-pack-index: load into memory Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 07/23] t5319: expand test data Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 08/23] packfile: generalize pack directory list Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 09/23] multi-pack-index: read packfile list Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 10/23] multi-pack-index: write pack names in chunk Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 11/23] midx: read pack names into array Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 12/23] midx: sort and deduplicate objects from packfiles Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 13/23] midx: write object ids in a chunk Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 14/23] midx: write object id fanout chunk Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 15/23] midx: write object offsets Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 16/23] config: create core.multiPackIndex setting Derrick Stolee 2018-07-12 21:05 ` Junio C Hamano [this message] 2018-07-13 0:50 ` Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 17/23] midx: read objects from multi-pack-index Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 18/23] midx: use midx in abbreviation calculations Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 19/23] midx: use existing midx when writing new one Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 20/23] midx: use midx in approximate_object_count Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 21/23] midx: prevent duplicate packfile loads Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 22/23] packfile: skip loading index if in multi-pack-index Derrick Stolee 2018-07-12 19:39 ` [PATCH v4 23/23] midx: clear midx on repack Derrick Stolee 2018-07-12 21:11 ` [PATCH v4 00/23] Multi-pack-index (MIDX) Junio C Hamano
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