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From: "brian m. carlson" <sandals@crustytoothpaste.net>
To: Eric Sunshine <sunshine@sunshineco.com>
Cc: Git List <git@vger.kernel.org>
Subject: Re: [PATCH v4 30/39] builtin/verify-pack: implement an --object-format option
Date: Sun, 26 Jul 2020 22:56:29 +0000	[thread overview]
Message-ID: <20200726225629.GC6540@camp.crustytoothpaste.net> (raw)
In-Reply-To: <CAPig+cRUj2RGz1=+3EDr5G_Mq2sXPnztCr-iPDGH+WycQ2iwjA@mail.gmail.com>

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On 2020-07-26 at 21:29:46, Eric Sunshine wrote:
> On Sun, Jul 26, 2020 at 3:56 PM brian m. carlson
> A few comments below... use your own judgment as to whether they are
> worth a re-roll.

I'll do a re-roll, since I think there's enough issues that one would be
worthwhile.

> > Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
> > ---
> > diff --git a/builtin/verify-pack.c b/builtin/verify-pack.c
> > @@ -7,21 +7,28 @@
> > +static int verify_one_pack(const char *path, unsigned int flags, const char *hash_algo)
> >  {
> > +       struct argv_array argv = ARGV_ARRAY_INIT;
> > +       struct strbuf arg = STRBUF_INIT, hash_arg = STRBUF_INIT;
> >
> > +       if (hash_algo) {
> > +               strbuf_addf(&hash_arg, "--object-format=%s", hash_algo);
> > +               argv_array_push(&argv, hash_arg.buf);
> > +       }
> 
> Rather than bothering with a separate strbuf, this would be easier:
> 
>     argv_array_pushf(&argv, "--object-format=%s", hash_algo);
> 
> Doing so would also fix a secondary problem that 'hash_arg' is being leaked.

This is a great idea.

> > @@ -31,9 +38,9 @@ static int verify_one_pack(const char *path, unsigned int flags)
> > -       index_pack.argv = argv;
> > +       index_pack.argv = argv.argv;
> 
> 'struct child_process' already has an 'args' member which is a 'struct
> argv_array' of which you can take advantage instead of creating your
> own local 'argv' in this function. run_command() automatically clears
> the built-in 'argv_array', which frees you the effort of having to do
> so manually.

Great, I'll switch to that.
-- 
brian m. carlson: Houston, Texas, US

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  reply	other threads:[~2020-07-26 22:56 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-26 19:53 [PATCH v4 00/39] SHA-256, part 3/3 brian m. carlson
2020-07-26 19:53 ` [PATCH v4 01/39] t: make test-bloom initialize repository brian m. carlson
2020-07-26 19:53 ` [PATCH v4 02/39] t1001: use $ZERO_OID brian m. carlson
2020-07-26 19:53 ` [PATCH v4 03/39] t3305: make hash agnostic brian m. carlson
2020-07-26 19:53 ` [PATCH v4 04/39] t3404: prepare 'short SHA-1 collision' tests for SHA-256 brian m. carlson
2020-07-26 22:31   ` Eric Sunshine
2020-07-26 19:53 ` [PATCH v4 05/39] t6100: make hash size independent brian m. carlson
2020-07-26 19:53 ` [PATCH v4 06/39] t6101: " brian m. carlson
2020-07-26 19:53 ` [PATCH v4 07/39] t6301: " brian m. carlson
2020-07-26 19:53 ` [PATCH v4 08/39] t6500: specify test values for SHA-256 brian m. carlson
2020-07-26 19:53 ` [PATCH v4 09/39] t6501: avoid hard-coded objects brian m. carlson
2020-07-26 19:53 ` [PATCH v4 10/39] t7003: compute appropriate length constant brian m. carlson
2020-07-26 19:53 ` [PATCH v4 11/39] t7063: make hash size independent brian m. carlson
2020-07-26 22:40   ` Eric Sunshine
2020-07-26 19:53 ` [PATCH v4 12/39] t7201: abstract away SHA-1-specific constants brian m. carlson
2020-07-26 22:54   ` Eric Sunshine
2020-07-26 19:53 ` [PATCH v4 13/39] t7102: " brian m. carlson
2020-07-26 19:53 ` [PATCH v4 14/39] t7400: make hash size independent brian m. carlson
2020-07-26 19:54 ` [PATCH v4 15/39] t7405: " brian m. carlson
2020-07-26 19:54 ` [PATCH v4 16/39] t7506: avoid checking for SHA-1-specific constants brian m. carlson
2020-07-26 19:54 ` [PATCH v4 17/39] t7508: use $ZERO_OID instead of hard-coded constant brian m. carlson
2020-07-26 19:54 ` [PATCH v4 18/39] t8002: make hash size independent brian m. carlson
2020-07-26 22:49   ` Eric Sunshine
2020-07-26 19:54 ` [PATCH v4 19/39] t8003: " brian m. carlson
2020-07-26 19:54 ` [PATCH v4 20/39] t8011: " brian m. carlson
2020-07-26 23:00   ` Eric Sunshine
2020-07-26 19:54 ` [PATCH v4 21/39] t9300: abstract away SHA-1-specific constants brian m. carlson
2020-07-26 23:14   ` Eric Sunshine
2020-07-26 19:54 ` [PATCH v4 22/39] t9300: use $ZERO_OID instead of hard-coded object ID brian m. carlson
2020-07-26 19:54 ` [PATCH v4 23/39] t9301: make hash size independent brian m. carlson
2020-07-26 19:54 ` [PATCH v4 24/39] t9350: " brian m. carlson
2020-07-26 19:54 ` [PATCH v4 25/39] t9500: ensure that algorithm info is preserved in config brian m. carlson
2020-07-26 19:54 ` [PATCH v4 26/39] t9700: make hash size independent brian m. carlson
2020-07-26 19:54 ` [PATCH v4 27/39] t5308: make test work with SHA-256 brian m. carlson
2020-07-26 19:54 ` [PATCH v4 28/39] t0410: mark test with SHA1 prerequisite brian m. carlson
2020-07-26 19:54 ` [PATCH v4 29/39] http-fetch: set up git directory before parsing pack hashes brian m. carlson
2020-07-26 23:28   ` Eric Sunshine
2020-07-26 23:30     ` Eric Sunshine
2020-07-26 19:54 ` [PATCH v4 30/39] builtin/verify-pack: implement an --object-format option brian m. carlson
2020-07-26 21:29   ` Eric Sunshine
2020-07-26 22:56     ` brian m. carlson [this message]
2020-07-26 19:54 ` [PATCH v4 31/39] bundle: add new version for use with SHA-256 brian m. carlson
2020-07-26 22:18   ` Eric Sunshine
2020-07-26 22:59     ` brian m. carlson
2020-07-26 19:54 ` [PATCH v4 32/39] setup: add support for reading extensions.objectformat brian m. carlson
2020-07-26 23:34   ` Eric Sunshine
2020-07-26 23:41     ` brian m. carlson
2020-07-26 19:54 ` [PATCH v4 33/39] Enable SHA-256 support by default brian m. carlson
2020-07-26 23:41   ` Eric Sunshine
2020-07-26 19:54 ` [PATCH v4 34/39] t: add test_oid option to select hash algorithm brian m. carlson
2020-07-26 19:54 ` [PATCH v4 35/39] t: allow testing different hash algorithms via environment brian m. carlson
2020-07-26 19:54 ` [PATCH v4 36/39] t: make SHA1 prerequisite depend on default hash brian m. carlson
2020-07-26 23:52   ` Eric Sunshine
2020-07-26 19:54 ` [PATCH v4 37/39] ci: run tests with SHA-256 brian m. carlson
2020-07-26 23:54   ` Eric Sunshine
2020-07-26 19:54 ` [PATCH v4 38/39] docs: add documentation for extensions.objectFormat brian m. carlson
2020-07-26 23:56   ` Eric Sunshine
2020-07-26 19:54 ` [PATCH v4 39/39] t: remove test_oid_init in tests brian m. carlson

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