From: Taylor Blau <me@ttaylorr.com>
To: Jeff King <peff@peff.net>
Cc: "Eric Sunshine" <sunshine@sunshineco.com>,
"SZEDER Gábor" <szeder.dev@gmail.com>,
"Taylor Blau" <me@ttaylorr.com>, "Git List" <git@vger.kernel.org>,
"Junio C Hamano" <gitster@pobox.com>
Subject: Re: [PATCH 2/7] t: introduce tests for unexpected object types
Date: Fri, 5 Apr 2019 22:33:08 -0700 [thread overview]
Message-ID: <20190406053308.GC37216@Taylors-MBP.hsd1.wa.comcast.net> (raw)
In-Reply-To: <20190405205345.GB8166@sigill.intra.peff.net>
On Fri, Apr 05, 2019 at 04:53:45PM -0400, Jeff King wrote:
> On Fri, Apr 05, 2019 at 03:25:43PM -0400, Eric Sunshine wrote:
>
> > On Fri, Apr 5, 2019 at 2:24 PM Jeff King <peff@peff.net> wrote:
> > > On Fri, Apr 05, 2019 at 12:50:33PM +0200, SZEDER Gábor wrote:
> > > > > + git cat-file commit $commit |
> > > > > + perl -lpe "/^author/ && print q(parent $blob)" \
> > > > > + >broken-commit &&
> > >
> > > > Wouldn't a 'sed' one-liner suffice, so we won't have yet another perl
> > > > dependency?
> > >
> > > Heh, this was actually the subject of much discussion before the patches
> > > hit the list. If you can write such a one-liner that is both readable
> > > and portable, please share it. I got disgusted with sed and suggested
> > > this perl.
> >
> > Trivial and portable 'sed' equivalent:
> >
> > git cat-file commit $commit | sed "/^author/ { h; s/.*/parent $blob/; G; }"
>
> I always forget about the hold space. That's pretty readable (though
> being sed, it's terse enough that I actually think the perl is more
> readable; that may be personal taste, though).
Ah, very nice. Thanks Eric, your sed-fu is much stronger than mine ;-).
I share Peff's view that this might be less readable than its Perl
counterpart, but am similarly sympathetic to the notion that more Perl
is a bad example in 't'.
I think that I'll take this for v2 and get rid of the Perl.
Thanks,
Taylor
next prev parent reply other threads:[~2019-04-06 5:33 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-05 3:37 [PATCH 0/7] harden unexpected object types checks Taylor Blau
2019-04-05 3:37 ` [PATCH 1/7] t: move 'hex2oct' into test-lib-functions.sh Taylor Blau
2019-04-05 3:37 ` [PATCH 2/7] t: introduce tests for unexpected object types Taylor Blau
2019-04-05 10:50 ` SZEDER Gábor
2019-04-05 18:24 ` Jeff King
2019-04-05 18:42 ` SZEDER Gábor
2019-04-05 18:52 ` Jeff King
2019-04-07 21:00 ` Ævar Arnfjörð Bjarmason
2019-04-09 2:29 ` Taylor Blau
2019-04-09 9:14 ` Ævar Arnfjörð Bjarmason
2019-04-10 1:59 ` Taylor Blau
2019-04-08 5:27 ` Junio C Hamano
2019-04-05 19:25 ` Eric Sunshine
2019-04-05 20:53 ` Jeff King
2019-04-06 5:33 ` Taylor Blau [this message]
2019-04-08 6:44 ` Junio C Hamano
2019-04-09 2:30 ` Taylor Blau
2019-04-09 3:28 ` Eric Sunshine
2019-04-09 5:08 ` Taylor Blau
2019-04-09 8:02 ` Eric Sunshine
2019-04-10 1:54 ` Taylor Blau
2019-04-06 5:31 ` Taylor Blau
2019-04-05 18:31 ` Jeff King
2019-04-06 5:23 ` Taylor Blau
2019-04-05 3:37 ` [PATCH 3/7] list-objects.c: handle unexpected non-blob entries Taylor Blau
2019-04-05 3:37 ` [PATCH 4/7] list-objects.c: handle unexpected non-tree entries Taylor Blau
2019-04-05 3:37 ` [PATCH 5/7] get_commit_tree(): return NULL for broken tree Taylor Blau
2019-04-05 3:37 ` [PATCH 6/7] rev-list: let traversal die when --missing is not in use Taylor Blau
2019-04-05 18:41 ` Jeff King
2019-04-06 5:36 ` Taylor Blau
2019-04-07 13:41 ` Jeff King
2019-04-09 2:11 ` Taylor Blau
2019-04-05 3:37 ` [PATCH 7/7] rev-list: detect broken root trees Taylor Blau
2019-04-10 2:13 ` [PATCH v2 0/7] harden unexpected object types checks Taylor Blau
2019-04-10 2:13 ` [PATCH v2 1/7] t: move 'hex2oct' into test-lib-functions.sh Taylor Blau
2019-04-10 2:13 ` [PATCH v2 2/7] t: introduce tests for unexpected object types Taylor Blau
2019-04-10 2:13 ` [PATCH v2 3/7] list-objects.c: handle unexpected non-blob entries Taylor Blau
2019-04-10 2:13 ` [PATCH v2 4/7] list-objects.c: handle unexpected non-tree entries Taylor Blau
2019-04-10 2:13 ` [PATCH v2 5/7] get_commit_tree(): return NULL for broken tree Taylor Blau
2019-04-10 2:13 ` [PATCH v2 6/7] rev-list: let traversal die when --missing is not in use Taylor Blau
2019-04-10 2:13 ` [PATCH v2 7/7] rev-list: detect broken root trees Taylor Blau
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