From: Duy Nguyen <pclouds@gmail.com>
To: "brian m. carlson" <sandals@crustytoothpaste.net>
Cc: "Git Mailing List" <git@vger.kernel.org>,
"Jeff King" <peff@peff.net>, "Derrick Stolee" <stolee@gmail.com>,
"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Subject: Re: [PATCH v2 13/13] commit-graph: specify OID version for SHA-256
Date: Tue, 16 Oct 2018 17:35:05 +0200 [thread overview]
Message-ID: <CACsJy8C6o9PAHsm+t7Rijg6jsz5dXZ5pT79nYGdGbKuK6gGTLQ@mail.gmail.com> (raw)
In-Reply-To: <20181015021900.1030041-14-sandals@crustytoothpaste.net>
On Mon, Oct 15, 2018 at 4:23 AM brian m. carlson
<sandals@crustytoothpaste.net> wrote:
>
> Since the commit-graph code wants to serialize the hash algorithm into
> the data store, specify a version number for each supported algorithm.
> Note that we don't use the values of the constants themselves, as they
> are internal and could change in the future.
>
> Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
> ---
> commit-graph.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/commit-graph.c b/commit-graph.c
> index 7a28fbb03f..e587c21bb6 100644
> --- a/commit-graph.c
> +++ b/commit-graph.c
> @@ -45,7 +45,14 @@ char *get_commit_graph_filename(const char *obj_dir)
>
> static uint8_t oid_version(void)
> {
> - return 1;
> + switch (hash_algo_by_ptr(the_hash_algo)) {
> + case GIT_HASH_SHA1:
> + return 1;
> + case GIT_HASH_SHA256:
> + return 2;
Should we just increase this field to uint32_t and store format_id
instead? That will keep oid version unique in all data formats.
> + default:
> + BUG("unknown hash algorithm");
> + }
> }
>
> static struct commit_graph *alloc_commit_graph(void)
--
Duy
next prev parent reply other threads:[~2018-10-16 15:35 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-15 2:18 [PATCH v2 00/13] Base SHA-256 implementation brian m. carlson
2018-10-15 2:18 ` [PATCH v2 01/13] sha1-file: rename algorithm to "sha1" brian m. carlson
2018-10-16 15:17 ` Duy Nguyen
2018-10-17 22:53 ` brian m. carlson
2018-10-15 2:18 ` [PATCH v2 02/13] sha1-file: provide functions to look up hash algorithms brian m. carlson
2018-10-17 13:32 ` SZEDER Gábor
2018-10-15 2:18 ` [PATCH v2 03/13] hex: introduce functions to print arbitrary hashes brian m. carlson
2018-10-16 1:54 ` Junio C Hamano
2018-10-17 23:49 ` brian m. carlson
2018-10-15 2:18 ` [PATCH v2 04/13] cache: make hashcmp and hasheq work with larger hashes brian m. carlson
2018-10-16 15:44 ` Duy Nguyen
2018-10-15 2:18 ` [PATCH v2 05/13] t: add basic tests for our SHA-1 implementation brian m. carlson
2018-10-15 2:18 ` [PATCH v2 06/13] t: make the sha1 test-tool helper generic brian m. carlson
2018-10-15 2:18 ` [PATCH v2 07/13] sha1-file: add a constant for hash block size brian m. carlson
2018-10-15 2:18 ` [PATCH v2 08/13] t/helper: add a test helper to compute hash speed brian m. carlson
2018-10-15 2:18 ` [PATCH v2 09/13] commit-graph: convert to using the_hash_algo brian m. carlson
2018-10-15 15:10 ` Derrick Stolee
2018-10-15 2:18 ` [PATCH v2 10/13] Add a base implementation of SHA-256 support brian m. carlson
2018-10-15 14:59 ` Duy Nguyen
2018-10-15 23:30 ` brian m. carlson
2018-10-16 14:59 ` Duy Nguyen
2018-10-17 16:12 ` SZEDER Gábor
2018-10-17 23:04 ` brian m. carlson
2018-10-15 2:18 ` [PATCH v2 11/13] sha256: add an SHA-256 implementation using libgcrypt brian m. carlson
2018-10-15 2:18 ` [PATCH v2 12/13] hash: add an SHA-256 implementation using OpenSSL brian m. carlson
2018-10-16 15:36 ` Duy Nguyen
2018-10-15 2:19 ` [PATCH v2 13/13] commit-graph: specify OID version for SHA-256 brian m. carlson
2018-10-15 15:11 ` Derrick Stolee
2018-10-16 2:00 ` Junio C Hamano
2018-10-16 22:39 ` brian m. carlson
2018-10-16 15:35 ` Duy Nguyen [this message]
2018-10-16 16:01 ` Derrick Stolee
2018-10-16 16:09 ` Duy Nguyen
2018-10-16 22:44 ` brian m. carlson
2018-10-17 14:31 ` Duy Nguyen
2018-10-18 0:06 ` brian m. carlson
2018-10-18 13:03 ` Derrick Stolee
2018-10-19 22:21 ` brian m. carlson
2018-10-17 12:21 ` Derrick Stolee
2018-10-17 22:38 ` brian m. carlson
2018-10-16 2:00 ` [PATCH v2 00/13] Base SHA-256 implementation Junio C Hamano
2018-10-16 4:01 ` Junio C Hamano
2018-10-16 22:45 ` brian m. carlson
2018-10-16 15:39 ` Duy Nguyen
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