From: Derrick Stolee <derrickstolee@github.com>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
"Derrick Stolee via GitGitGadget" <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org, me@ttaylorr.com, gitster@pobox.com,
abhishekkumar8222@gmail.com
Subject: Re: [PATCH v2 3/4] commit-graph: start parsing generation v2 (again)
Date: Mon, 28 Feb 2022 11:43:59 -0500 [thread overview]
Message-ID: <b65f405e-665b-ae32-aa4e-7dbdc874485d@github.com> (raw)
In-Reply-To: <220228.86czj73sre.gmgdl@evledraar.gmail.com>
On 2/28/2022 10:30 AM, Ævar Arnfjörð Bjarmason wrote:
>
> On Mon, Feb 28 2022, Derrick Stolee via GitGitGadget wrote:
>
>> From: Derrick Stolee <derrickstolee@github.com>
>> [...]
>> + GENERATION_VERSION=2
>> + if test ! -z "$3"
>
> TIL this works somewhere :)
>
> I thought it *might* be unportable behavior (but didn't check at
> first), but it's not! We have a few such cases already.
>
> But IMO much less puzzling would be at least:
>
> if ! test -z "$3"
>
> Or in this case, more plainly:
>
> if test -n "$3"
Sure, that makes sense.
>> + then
>> + GENERATION_VERSION=$3
>> + fi
>> + OPTIONS=
>> + if test $GENERATION_VERSION -gt 1
>> + then
>> + OPTIONS=" read_generation_data"
>> + fi
>
> Or actually, since we don't use $GENERATION_VERSION further down setting
> it to a default etc. here seems a bit odd. Perhaps something closer to:
>
> if test $# -eq 3 && test $3 -gt 1
>
> It's also possible to be more clever as e.g.:
>
> test "${3:-2}" -gt 1
>
> But that hardly seems worth it...
I prefer to use a variable so the code is self-documenting.
>> NUM_COMMITS=9
>> diff --git a/t/t5324-split-commit-graph.sh b/t/t5324-split-commit-graph.sh
>> index 778fa418de2..669ddc645fa 100755
>> --- a/t/t5324-split-commit-graph.sh
>> +++ b/t/t5324-split-commit-graph.sh
>> @@ -30,11 +30,16 @@ graph_read_expect() {
>> then
>> NUM_BASE=$2
>> fi
>> + OPTIONS=
>> + if test -z "$3"
>> + then
>> + OPTIONS=" read_generation_data"
>> + fi
>> cat >expect <<- EOF
>> header: 43475048 1 $(test_oid oid_version) 4 $NUM_BASE
>> num_commits: $1
>> chunks: oid_fanout oid_lookup commit_metadata generation_data
>> - options:
>> + options:$OPTIONS
>> EOF
>> test-tool read-graph >output &&
>> test_cmp expect output
>
> Not a new issue, but it would be nice to have the mostly copy/pasted
> code in a lib-commit-graph.sh or something, but probably too distracting
> for this small series...
These cases are different enough in the needs of the test files
that they cannot be shared without significant complication.
Thanks,
-Stolee
next prev parent reply other threads:[~2022-02-28 16:44 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-24 20:38 [PATCH 0/7] Commit-graph: Generation Number v2 Fixes, v3 implementation Derrick Stolee via GitGitGadget
2022-02-24 20:38 ` [PATCH 1/7] test-read-graph: include extra post-parse info Derrick Stolee via GitGitGadget
2022-02-24 20:38 ` [PATCH 2/7] commit-graph: fix ordering bug in generation numbers Derrick Stolee via GitGitGadget
2022-02-24 22:15 ` Junio C Hamano
2022-02-25 13:51 ` Derrick Stolee
2022-02-25 17:35 ` Junio C Hamano
2022-02-24 20:38 ` [PATCH 3/7] commit-graph: start parsing generation v2 (again) Derrick Stolee via GitGitGadget
2022-02-28 15:18 ` Patrick Steinhardt
2022-02-28 16:23 ` Derrick Stolee
2022-02-28 16:59 ` Patrick Steinhardt
2022-02-28 18:44 ` Derrick Stolee
2022-03-01 9:46 ` Patrick Steinhardt
2022-03-01 10:35 ` Patrick Steinhardt
2022-03-01 14:06 ` Derrick Stolee
2022-03-01 14:53 ` Patrick Steinhardt
2022-03-01 15:25 ` Derrick Stolee
2022-03-02 13:57 ` Patrick Steinhardt
2022-03-02 14:57 ` Derrick Stolee
2022-03-02 18:15 ` Junio C Hamano
2022-03-02 18:46 ` Derrick Stolee
2022-03-02 22:42 ` Junio C Hamano
2022-03-03 11:19 ` Patrick Steinhardt
2022-03-03 16:00 ` Derrick Stolee
2022-03-04 14:03 ` Derrick Stolee
2022-03-07 10:34 ` Patrick Steinhardt
2022-03-07 13:45 ` Derrick Stolee
2022-03-07 17:22 ` Junio C Hamano
2022-03-10 13:58 ` Patrick Steinhardt
2022-03-10 17:18 ` Derrick Stolee
2022-02-24 20:38 ` [PATCH 4/7] commit-graph: fix generation number v2 overflow values Derrick Stolee via GitGitGadget
2022-02-24 22:35 ` Junio C Hamano
2022-02-25 13:53 ` Derrick Stolee
2022-02-25 17:38 ` Junio C Hamano
2022-02-24 20:38 ` [PATCH 5/7] commit-graph: document file format v2 Derrick Stolee via GitGitGadget
2022-02-24 22:55 ` Junio C Hamano
2022-02-25 22:31 ` Ævar Arnfjörð Bjarmason
2022-02-28 13:44 ` Derrick Stolee
2022-02-28 14:27 ` Ævar Arnfjörð Bjarmason
2022-02-28 16:39 ` Derrick Stolee
2022-02-28 21:14 ` Ævar Arnfjörð Bjarmason
2022-03-01 14:19 ` Derrick Stolee
2022-03-01 14:29 ` Ævar Arnfjörð Bjarmason
2022-03-01 15:59 ` Derrick Stolee
2022-02-24 20:38 ` [PATCH 6/7] commit-graph: parse " Derrick Stolee via GitGitGadget
2022-02-24 23:01 ` Junio C Hamano
2022-02-25 13:54 ` Derrick Stolee
2022-02-24 20:38 ` [PATCH 7/7] commit-graph: write " Derrick Stolee via GitGitGadget
2022-02-24 21:42 ` [PATCH 0/7] Commit-graph: Generation Number v2 Fixes, v3 implementation Junio C Hamano
2022-02-24 23:06 ` Junio C Hamano
2022-02-25 13:55 ` Derrick Stolee
2022-02-28 13:53 ` [PATCH v2 0/4] Commit-graph: Generation Number v2 Fixes Derrick Stolee via GitGitGadget
2022-02-28 13:53 ` [PATCH v2 1/4] test-read-graph: include extra post-parse info Derrick Stolee via GitGitGadget
2022-02-28 15:22 ` Ævar Arnfjörð Bjarmason
2022-02-28 13:53 ` [PATCH v2 2/4] commit-graph: fix ordering bug in generation numbers Derrick Stolee via GitGitGadget
2022-02-28 15:25 ` Ævar Arnfjörð Bjarmason
2022-02-28 13:53 ` [PATCH v2 3/4] commit-graph: start parsing generation v2 (again) Derrick Stolee via GitGitGadget
2022-02-28 15:30 ` Ævar Arnfjörð Bjarmason
2022-02-28 16:43 ` Derrick Stolee [this message]
2022-02-28 13:53 ` [PATCH v2 4/4] commit-graph: fix generation number v2 overflow values Derrick Stolee via GitGitGadget
2022-02-28 15:40 ` Ævar Arnfjörð Bjarmason
2022-03-01 17:23 ` [PATCH v2 0/4] Commit-graph: Generation Number v2 Fixes Ævar Arnfjörð Bjarmason
2022-03-01 19:48 ` [PATCH v3 0/5] " Derrick Stolee via GitGitGadget
2022-03-01 19:48 ` [PATCH v3 1/5] test-read-graph: include extra post-parse info Derrick Stolee via GitGitGadget
2022-03-01 19:48 ` [PATCH v3 2/5] t5318: extract helpers to lib-commit-graph.sh Derrick Stolee via GitGitGadget
2022-03-01 19:48 ` [PATCH v3 3/5] commit-graph: fix ordering bug in generation numbers Derrick Stolee via GitGitGadget
2022-03-01 20:13 ` Junio C Hamano
2022-03-01 20:30 ` Junio C Hamano
2022-03-02 14:13 ` Derrick Stolee
2022-03-01 19:48 ` [PATCH v3 4/5] commit-graph: start parsing generation v2 (again) Derrick Stolee via GitGitGadget
2022-03-01 19:48 ` [PATCH v3 5/5] commit-graph: fix generation number v2 overflow values Derrick Stolee via GitGitGadget
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