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Re: [PATCH v2 2/2] tests: add a special setup where rebase.useBuiltin is off




Hi Ævar,

On Wed, 14 Nov 2018, Ævar Arnfjörð Bjarmason wrote:

> Add a GIT_TEST_REBASE_USE_BUILTIN=false test mode which is equivalent
> to running with rebase.useBuiltin=false. This is needed to spot that
> we're not introducing any regressions in the legacy rebase version
> while we're carrying both it and the new builtin version.
> 
> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>
> ---
>  builtin/rebase.c | 5 ++++-
>  t/README         | 4 ++++
>  2 files changed, 8 insertions(+), 1 deletion(-)

I am slightly surprised not to see any ci/ change in this diffstat. Did
you mean to add a test axis for Travis, or not?

Ciao,
Dscho

> 
> diff --git a/builtin/rebase.c b/builtin/rebase.c
> index 0ee06aa363..68ad8c1149 100644
> --- a/builtin/rebase.c
> +++ b/builtin/rebase.c
> @@ -48,7 +48,10 @@ static int use_builtin_rebase(void)
>  {
>  	struct child_process cp = CHILD_PROCESS_INIT;
>  	struct strbuf out = STRBUF_INIT;
> -	int ret;
> +	int ret, env = git_env_bool("GIT_TEST_REBASE_USE_BUILTIN", -1);
> +
> +	if (env != -1)
> +		return env;
>  
>  	argv_array_pushl(&cp.args,
>  			 "config", "--bool", "rebase.usebuiltin", NULL);
> diff --git a/t/README b/t/README
> index 242497455f..3df5d12e46 100644
> --- a/t/README
> +++ b/t/README
> @@ -339,6 +339,10 @@ for the index version specified.  Can be set to any valid version
>  GIT_TEST_PRELOAD_INDEX=<boolean> exercises the preload-index code path
>  by overriding the minimum number of cache entries required per thread.
>  
> +GIT_TEST_REBASE_USE_BUILTIN=<boolean>, when false, disables the
> +builtin version of git-rebase. See 'rebase.useBuiltin' in
> +git-config(1).
> +
>  GIT_TEST_INDEX_THREADS=<n> enables exercising the multi-threaded loading
>  of the index for the whole test suite by bypassing the default number of
>  cache entries and thread minimums. Setting this to 1 will make the
> -- 
> 2.19.1.1182.g4ecb1133ce
> 
>