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From: Junio C Hamano <gitster@pobox.com>
To: Patrick Steinhardt <ps@pks.im>
Cc: git@vger.kernel.org, Taylor Blau <me@ttaylorr.com>,
	peff@peff.net, dstolee@microsoft.com
Subject: Re: [PATCH v2 7/8] repack: honor `-l` when calculating pack geometry
Date: Wed, 12 Apr 2023 16:56:29 -0700	[thread overview]
Message-ID: <xmqqr0sozmc2.fsf@gitster.g> (raw)
In-Reply-To: <608dde4ad52c28ef42845b6bfdcb168e252bd29b.1681294715.git.ps@pks.im> (Patrick Steinhardt's message of "Wed, 12 Apr 2023 12:22:56 +0200")

Patrick Steinhardt <ps@pks.im> writes:

> +	# Note that we are using stat(1) to verify idempotence to also verify
> +	# that the mtime did not change. This is done in order to detect the
> +	# case where we do repack objects, but the resulting packfile is the
> +	# same.
> +	stat member/.git/objects/pack/* >expected-member-packs &&
> +	git -C member repack --geometric=2 -l -d &&
> +	stat member/.git/objects/pack/* >actual-member-packs &&

These tests that use stat(1) are very likely to be non-portable.

Worse yet, even when stat(1) is available, when running

    $ cd t && sh t7703-repack-geometric.sh --root=/dev/shm/testpen -i -v

in my environment (based on Debian), the lists fail to match at
subseconds.

--- expected-member-packs       2023-04-12 23:48:52.817035290 +0000
+++ actual-member-packs 2023-04-12 23:48:52.833036370 +0000
@@ -2,7 +2,7 @@
   Size: 1156           Blocks: 8          IO Block: 4096   regular file
 Device: 0,25   Inode: 2330515     Links: 1
 Access: (0400/-r--------)  Uid: (1001/   gitster)   Gid: (1001/gitster)
-Access: 2023-04-12 23:48:52.801034210 +0000
+Access: 2023-04-12 23:48:52.829036100 +0000
 Modify: 2023-04-12 23:48:52.773032320 +0000
 Change: 2023-04-12 23:48:52.773032320 +0000
  Birth: 2023-04-12 23:48:52.773032320 +0000
@@ -10,7 +10,7 @@
   Size: 276            Blocks: 8          IO Block: 4096   regular file
 Device: 0,25   Inode: 2330514     Links: 1
 Access: (0400/-r--------)  Uid: (1001/   gitster)   Gid: (1001/gitster)
-Access: 2023-04-12 23:48:52.781032860 +0000
+Access: 2023-04-12 23:48:52.829036100 +0000
 Modify: 2023-04-12 23:48:52.773032320 +0000
 Change: 2023-04-12 23:48:52.773032320 +0000
  Birth: 2023-04-12 23:48:52.769032050 +0000


  reply	other threads:[~2023-04-12 23:56 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-04 11:08 [PATCH] repack: fix geometric repacking with gitalternates Patrick Steinhardt
2023-04-04 18:55 ` Taylor Blau
2023-04-04 19:00   ` Taylor Blau
2023-04-05  7:08   ` Patrick Steinhardt
2023-04-10 15:06     ` Derrick Stolee
2023-04-10 23:49       ` Taylor Blau
2023-04-11 17:13         ` Patrick Steinhardt
2023-04-11 21:13           ` Taylor Blau
2023-04-12  9:37             ` Patrick Steinhardt
2023-04-11 17:06       ` Patrick Steinhardt
2023-04-11 17:26         ` Patrick Steinhardt
2023-04-11 21:14           ` Taylor Blau
2023-04-10 23:29     ` Taylor Blau
2023-04-12 10:22 ` [PATCH v2 0/8] " Patrick Steinhardt
2023-04-12 10:22   ` [PATCH v2 1/8] midx: fix segfault with no packs and invalid preferred pack Patrick Steinhardt
2023-04-12 17:56     ` Taylor Blau
2023-04-13  9:28       ` Patrick Steinhardt
2023-04-12 10:22   ` [PATCH v2 2/8] repack: fix trying to use preferred pack in alternates Patrick Steinhardt
2023-04-12 18:37     ` Taylor Blau
2023-04-13  9:31       ` Patrick Steinhardt
2023-04-12 10:22   ` [PATCH v2 3/8] repack: fix generating multi-pack-index with only non-local packs Patrick Steinhardt
2023-04-12 20:39     ` Taylor Blau
2023-04-12 10:22   ` [PATCH v2 4/8] pack-objects: fix error when packing same pack twice Patrick Steinhardt
2023-04-12 21:33     ` Taylor Blau
2023-04-12 10:22   ` [PATCH v2 5/8] pack-objects: fix error when same packfile is included and excluded Patrick Steinhardt
2023-04-12 21:52     ` Taylor Blau
2023-04-12 10:22   ` [PATCH v2 6/8] pack-objects: extend test coverage of `--stdin-packs` with alternates Patrick Steinhardt
2023-04-12 10:22   ` [PATCH v2 7/8] repack: honor `-l` when calculating pack geometry Patrick Steinhardt
2023-04-12 23:56     ` Junio C Hamano [this message]
2023-04-13  5:11       ` Junio C Hamano
2023-04-13  6:41         ` Patrick Steinhardt
2023-04-12 10:23   ` [PATCH v2 8/8] repack: disable writing bitmaps when doing a local geometric repack Patrick Steinhardt
2023-04-12 22:01     ` Taylor Blau
2023-04-13  9:54       ` Patrick Steinhardt
2023-04-13 10:14         ` Patrick Steinhardt
2023-04-12 22:02   ` [PATCH v2 0/8] repack: fix geometric repacking with gitalternates Taylor Blau
2023-04-13 11:16 ` [PATCH v3 00/10] " Patrick Steinhardt
2023-04-13 11:16   ` [PATCH v3 01/10] midx: fix segfault with no packs and invalid preferred pack Patrick Steinhardt
2023-04-13 13:49     ` Derrick Stolee
2023-04-13 11:16   ` [PATCH v3 02/10] repack: fix trying to use preferred pack in alternates Patrick Steinhardt
2023-04-13 11:16   ` [PATCH v3 03/10] repack: fix generating multi-pack-index with only non-local packs Patrick Steinhardt
2023-04-13 11:16   ` [PATCH v3 04/10] pack-objects: split out `--stdin-packs` tests into separate file Patrick Steinhardt
2023-04-13 11:16   ` [PATCH v3 05/10] pack-objects: fix error when packing same pack twice Patrick Steinhardt
2023-04-13 11:16   ` [PATCH v3 06/10] pack-objects: fix error when same packfile is included and excluded Patrick Steinhardt
2023-04-13 11:16   ` [PATCH v3 07/10] pack-objects: extend test coverage of `--stdin-packs` with alternates Patrick Steinhardt
2023-04-13 11:16   ` [PATCH v3 08/10] t/helper: allow chmtime to print verbosely without modifying mtime Patrick Steinhardt
2023-04-13 11:16   ` [PATCH v3 09/10] repack: honor `-l` when calculating pack geometry Patrick Steinhardt
2023-04-13 13:59     ` Derrick Stolee
2023-04-13 14:13       ` Patrick Steinhardt
2023-04-13 15:40       ` Junio C Hamano
2023-04-13 11:16   ` [PATCH v3 10/10] repack: disable writing bitmaps when doing a local repack Patrick Steinhardt
2023-04-13 14:54   ` [PATCH v3 00/10] repack: fix geometric repacking with gitalternates Derrick Stolee
2023-04-14  2:03   ` Junio C Hamano
2023-04-14  5:42     ` Patrick Steinhardt
2023-04-14  6:01 ` [PATCH v4 " Patrick Steinhardt
2023-04-14  6:01   ` [PATCH v4 01/10] midx: fix segfault with no packs and invalid preferred pack Patrick Steinhardt
2023-04-14  6:01   ` [PATCH v4 02/10] repack: fix trying to use preferred pack in alternates Patrick Steinhardt
2023-04-14  6:01   ` [PATCH v4 03/10] repack: fix generating multi-pack-index with only non-local packs Patrick Steinhardt
2023-04-14  6:01   ` [PATCH v4 04/10] pack-objects: split out `--stdin-packs` tests into separate file Patrick Steinhardt
2023-04-14  6:01   ` [PATCH v4 05/10] pack-objects: fix error when packing same pack twice Patrick Steinhardt
2023-04-14  6:01   ` [PATCH v4 06/10] pack-objects: fix error when same packfile is included and excluded Patrick Steinhardt
2023-04-14  6:01   ` [PATCH v4 07/10] pack-objects: extend test coverage of `--stdin-packs` with alternates Patrick Steinhardt
2023-04-14  6:02   ` [PATCH v4 08/10] t/helper: allow chmtime to print verbosely without modifying mtime Patrick Steinhardt
2023-04-14  6:02   ` [PATCH v4 09/10] repack: honor `-l` when calculating pack geometry Patrick Steinhardt
2023-04-14  6:02   ` [PATCH v4 10/10] repack: disable writing bitmaps when doing a local repack Patrick Steinhardt
2023-04-14 13:23   ` [PATCH v4 00/10] repack: fix geometric repacking with gitalternates Derrick Stolee
2023-04-14 17:29     ` Junio C Hamano

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