From: Johannes Sixt <j6t@kdbg.org>
To: Jeff King <peff@peff.net>, "Randall S. Becker" <rsbecker@nexbridge.com>
Cc: "'brian m. carlson'" <sandals@crustytoothpaste.net>,
'Junio C Hamano' <gitster@pobox.com>,
git@vger.kernel.org,
'Linux Kernel' <linux-kernel@vger.kernel.org>,
git-packagers@googlegroups.com
Subject: Re: [Breakage] Git v2.21.0-rc0 - t5318 (NonStop)
Date: Sat, 9 Feb 2019 09:39:43 +0100 [thread overview]
Message-ID: <38f594ed-0787-aeb5-d34f-2f4775243eb7@kdbg.org> (raw)
In-Reply-To: <20190209042456.GB18286@sigill.intra.peff.net>
Am 09.02.19 um 05:24 schrieb Jeff King:
> On Fri, Feb 08, 2019 at 05:53:53PM -0500, Randall S. Becker wrote:
>
>>> diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh index
>>> 92cf8f812c..4afab14431 100644
>>> --- a/t/test-lib-functions.sh
>>> +++ b/t/test-lib-functions.sh
>>> @@ -1302,3 +1302,8 @@ test_set_port () {
>>> port=$(($port + ${GIT_TEST_STRESS_JOB_NR:-0}))
>>> eval $var=$port
>>> }
>>> +
>>> +# Generate an output of $1 bytes of all zeroes (NULs, not ASCII zeroes).
>>> +gen_zero_bytes () {
>>> + perl -e 'print "\0" x $ARGV[0]' "$@"
>>> +}
>>
>> This function does work on platform, so it's good.
>
> Great. Since it sounds like you're preparing some patches to deal with
> /dev/zero elsewhere, do you want to wrap it up in a patch as part of
> that?
Please do not use yes to generate an infinite amount of bytes. Our
implementation of yes() in test-lib.sh generates only 99 lines.
Perhaps do this.
----- 8< -----
Subject: [PATCH] t5318: avoid /dev/zero
Some platforms do not offer /dev/zero. Use printf and tr to generate
a certain amount of NUL bytes.
Reported-by: Randall S. Becker <rsbecker@nexbridge.com>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
---
t/t5318-commit-graph.sh | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh
index 16d10ebce8..04d394274f 100755
--- a/t/t5318-commit-graph.sh
+++ b/t/t5318-commit-graph.sh
@@ -383,7 +383,8 @@ corrupt_graph_and_verify() {
cp $objdir/info/commit-graph commit-graph-backup &&
printf "$data" | dd of="$objdir/info/commit-graph" bs=1 seek="$pos" conv=notrunc &&
dd of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" count=0 &&
- dd if=/dev/zero of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" count=$(($orig_size - $zero_pos)) &&
+ printf "%0*d" $(($orig_size - $zero_pos)) 0 | tr 0 '\0' |
+ dd of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" &&
test_must_fail git commit-graph verify 2>test_err &&
grep -v "^+" test_err >err &&
test_i18ngrep "$grepstr" err
--
2.20.1.86.gb0de946387
next prev parent reply other threads:[~2019-02-09 8:39 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-08 11:08 [Breakage] Git v2.21.0-rc0 - t5318 (NonStop) Randall S. Becker
2019-02-08 16:50 ` Jeff King
2019-02-08 17:49 ` Randall S. Becker
2019-02-08 18:03 ` Jeff King
2019-02-08 18:29 ` Johannes Sixt
2019-02-08 19:31 ` Junio C Hamano
2019-02-08 18:47 ` Randall S. Becker
2019-02-08 19:15 ` Jeff King
2019-02-08 19:26 ` Randall S. Becker
2019-02-08 19:31 ` Jeff King
2019-02-08 20:38 ` Randall S. Becker
2019-02-08 22:07 ` brian m. carlson
2019-02-08 22:12 ` Randall S. Becker
2019-02-08 22:18 ` brian m. carlson
2019-02-08 22:36 ` Randall S. Becker
2019-02-08 22:35 ` Jeff King
2019-02-08 22:53 ` Randall S. Becker
2019-02-09 4:24 ` Jeff King
2019-02-09 8:39 ` Johannes Sixt [this message]
2019-02-09 16:55 ` Randall S. Becker
2019-02-09 23:29 ` Jeff King
2019-02-10 9:40 ` Johannes Sixt
2019-02-09 16:53 ` Randall S. Becker
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=38f594ed-0787-aeb5-d34f-2f4775243eb7@kdbg.org \
--to=j6t@kdbg.org \
--cc=git-packagers@googlegroups.com \
--cc=git@vger.kernel.org \
--cc=gitster@pobox.com \
--cc=linux-kernel@vger.kernel.org \
--cc=peff@peff.net \
--cc=rsbecker@nexbridge.com \
--cc=sandals@crustytoothpaste.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).