From: Danh Doan <congdanhqx@gmail.com>
To: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Cc: git@vger.kernel.org
Subject: Re: [PATCH v2 6/8] t7063: drop non-POSIX argument "-ls" from find(1)
Date: Mon, 23 Mar 2020 22:11:49 +0700 [thread overview]
Message-ID: <20200323151149.GD11801@danh.dev> (raw)
In-Reply-To: <nycvar.QRO.7.76.6.2003231509150.46@tvgsbejvaqbjf.bet>
On 2020-03-23 15:11:50+0100, Johannes Schindelin <Johannes.Schindelin@gmx.de> wrote:
> Hi,
>
> On Sun, 22 Mar 2020, Đoàn Trần Công Danh wrote:
>
> > Since commit 6b7728db81, (t7063: work around FreeBSD's lazy mtime
> > update feature, 2016-08-03), we started to use ls as a trick to update
> > directory's mtime.
> >
> > However, `-ls` flag isn't required by POSIX's find(1), and
> > busybox(1) doesn't implement it.
> >
> > >From the original conversation, it seems like find(1) with "-type d"
> > could trigger enough "lstat(2)" to ask FreeBSD update mtime.
>
> This rationale makes me uneasy: why did Duy add _both_ `-type d` *and*
> `-ls` if the former would have been enough?
>
> > Use only filter "-type d" for now.
> >
> > Signed-off-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
> > ---
> > t/t7063-status-untracked-cache.sh | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/t/t7063-status-untracked-cache.sh b/t/t7063-status-untracked-cache.sh
> > index 190ae149cf..6791c6b95a 100755
> > --- a/t/t7063-status-untracked-cache.sh
> > +++ b/t/t7063-status-untracked-cache.sh
> > @@ -18,7 +18,7 @@ GIT_FORCE_UNTRACKED_CACHE=true
> > export GIT_FORCE_UNTRACKED_CACHE
> >
> > sync_mtime () {
> > - find . -type d -ls >/dev/null
> > + find . -type d >/dev/null
>
> A more conservative patch would be the following:
>
> -- snip --
> commit 1680a64fae24b1073dbf1b844889a9953823b7a2
> Author: Johannes Schindelin <Johannes.Schindelin@gmx.de>
> Date: Wed Jul 19 22:13:16 2017 +0200
>
> t7063: when running under BusyBox, avoid unsupported find option
>
> BusyBox' find implementation does not understand the -ls option, so
> let's not use it when we're running inside BusyBox.
Yes, this patch is a conservative patch.
In v1, I went with "-exec ls -dils {} +".
And, Jeff worries about a lot of flags passed to ls may run into
compatibility issue.
>
> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
>
> diff --git a/t/t7063-status-untracked-cache.sh
> b/t/t7063-status-untracked-cache.sh
> index 190ae149cf3c..ab7e8b5fea01 100755
> --- a/t/t7063-status-untracked-cache.sh
> +++ b/t/t7063-status-untracked-cache.sh
> @@ -18,7 +18,12 @@ GIT_FORCE_UNTRACKED_CACHE=true
> export GIT_FORCE_UNTRACKED_CACHE
>
> sync_mtime () {
> - find . -type d -ls >/dev/null
> + if test_have_prereq BUSYBOX
> + then
> + find . -type d -print0 | xargs -0r ls -ld >/dev/null
Can we just change back to what Duy proposed time ago:
find . -type d -exec ls -ld {} \;
> + else
> + find . -type d -ls >/dev/null
> + fi
> }
>
> avoid_racy() {
> -- snap --
>
> I have this in Git for Windows' fork, although I have to admit that there
> is no CI set up to verify that this is all working as I expect it to.
I'd find some time (later) to setup a Travis build with Alpine and VoidLinux,
mainly for musl check.
--
Danh
next prev parent reply other threads:[~2020-03-23 15:11 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-22 0:55 [PATCH v2 0/8] fix test failure with busybox Đoàn Trần Công Danh
2020-03-22 0:55 ` [PATCH v2 1/8] t4061: use POSIX compliant regex(7) Đoàn Trần Công Danh
2020-03-22 0:55 ` [PATCH v2 2/8] test-lib-functions: test_cmp: eval $GIT_TEST_CMP Đoàn Trần Công Danh
2020-03-22 0:55 ` [PATCH v2 3/8] t5003: drop the subshell in test_lazy_prereq Đoàn Trần Công Danh
2020-03-22 0:55 ` [PATCH v2 4/8] t5003: skip conversion test if unzip -a is unavailable Đoàn Trần Công Danh
2020-03-22 0:55 ` [PATCH v2 5/8] t5616: use rev-parse instead to get HEAD's object_id Đoàn Trần Công Danh
2020-03-22 0:55 ` [PATCH v2 6/8] t7063: drop non-POSIX argument "-ls" from find(1) Đoàn Trần Công Danh
2020-03-23 14:11 ` Johannes Schindelin
2020-03-23 14:37 ` Torsten Bögershausen
2020-03-23 15:11 ` Danh Doan [this message]
2020-03-23 20:30 ` Junio C Hamano
2020-03-23 15:55 ` Junio C Hamano
2020-03-24 22:31 ` Johannes Schindelin
2020-03-24 23:46 ` Junio C Hamano
2020-03-22 0:55 ` [PATCH v2 7/8] t4124: fix test for non-compliant diff(1) Đoàn Trần Công Danh
2020-03-23 13:58 ` Johannes Schindelin
2020-03-23 15:04 ` Danh Doan
2020-03-23 20:50 ` Junio C Hamano
2020-03-24 3:40 ` Danh Doan
2020-03-24 18:47 ` Junio C Hamano
2020-03-25 14:24 ` Danh Doan
2020-03-24 22:29 ` Johannes Schindelin
2020-03-24 23:37 ` Junio C Hamano
2020-03-25 18:23 ` Johannes Schindelin
2020-03-22 0:55 ` [PATCH v2 8/8] t5703: feed raw data into test-tool unpack-sideband Đoàn Trần Công Danh
2020-03-22 6:08 ` [PATCH v2 0/8] fix test failure with busybox Jeff King
2020-03-26 4:37 ` [PATCH v4 " Đoàn Trần Công Danh
2020-03-26 4:37 ` [PATCH v4 1/8] t4061: use POSIX compliant regex(7) Đoàn Trần Công Danh
2020-03-26 4:37 ` [PATCH v4 2/8] test-lib-functions: test_cmp: eval $GIT_TEST_CMP Đoàn Trần Công Danh
2020-03-26 4:37 ` [PATCH v4 3/8] t5003: drop the subshell in test_lazy_prereq Đoàn Trần Công Danh
2020-03-26 4:37 ` [PATCH v4 4/8] t5003: skip conversion test if unzip -a is unavailable Đoàn Trần Công Danh
2020-03-26 4:37 ` [PATCH v4 5/8] t5616: use rev-parse instead to get HEAD's object_id Đoàn Trần Công Danh
2020-03-26 4:37 ` [PATCH v4 6/8] t7063: drop non-POSIX argument "-ls" from find(1) Đoàn Trần Công Danh
2020-03-26 4:37 ` [PATCH v4 7/8] t4124: fix test for non-compliant diff(1) Đoàn Trần Công Danh
2020-03-27 1:18 ` Junio C Hamano
2020-03-26 4:37 ` [PATCH v4 8/8] t5703: feed raw data into test-tool unpack-sideband Đoàn Trần Công Danh
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