From: Elijah Newren <newren@gmail.com>
To: Jonathan Tan <jonathantanmy@google.com>
Cc: Git Mailing List <git@vger.kernel.org>,
Taylor Blau <me@ttaylorr.com>,
Emily Shaffer <emilyshaffer@google.com>,
Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH v3 4/5] run-command: refactor subprocess env preparation
Date: Thu, 10 Jun 2021 14:21:18 -0700 [thread overview]
Message-ID: <CABPp-BGgdQ02-gUwK1vPSBw8Fw_OCKZskd+5P7_4Bj0sYX++Gg@mail.gmail.com> (raw)
In-Reply-To: <fd6907822cf4cb12023999a61682676de193bff9.1623345496.git.jonathantanmy@google.com>
On Thu, Jun 10, 2021 at 10:35 AM Jonathan Tan <jonathantanmy@google.com> wrote:
>
> submodule.c has functionality that prepares the environment for running
> a subprocess in a new repo. The lazy-fetching code (used in partial
> clones) will need this in a subsequent commit, so move it to a more
> central location.
>
> Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
> ---
> run-command.c | 12 ++++++++++++
> run-command.h | 10 ++++++++++
> submodule.c | 18 ++----------------
> 3 files changed, 24 insertions(+), 16 deletions(-)
>
> diff --git a/run-command.c b/run-command.c
> index be6bc128cd..549a94a6a4 100644
> --- a/run-command.c
> +++ b/run-command.c
> @@ -1892,3 +1892,15 @@ int run_auto_maintenance(int quiet)
>
> return run_command(&maint);
> }
> +
> +void prepare_other_repo_env(struct strvec *env_array, const char *new_git_dir)
> +{
> + const char * const *var;
> +
> + for (var = local_repo_env; *var; var++) {
> + if (strcmp(*var, CONFIG_DATA_ENVIRONMENT) &&
> + strcmp(*var, CONFIG_COUNT_ENVIRONMENT))
> + strvec_push(env_array, *var);
> + }
> + strvec_pushf(env_array, "%s=%s", GIT_DIR_ENVIRONMENT, new_git_dir);
> +}
> diff --git a/run-command.h b/run-command.h
> index d08414a92e..92f1c00b11 100644
> --- a/run-command.h
> +++ b/run-command.h
> @@ -483,4 +483,14 @@ int run_processes_parallel_tr2(int n, get_next_task_fn, start_failure_fn,
> task_finished_fn, void *pp_cb,
> const char *tr2_category, const char *tr2_label);
>
> +/**
> + * Convenience function which prepares env_array for a command to be run in a
> + * new repo. This adds all GIT_* environment variables to env_array with the
> + * exception of GIT_CONFIG_PARAMETERS (which cause the corresponding
> + * environment variables to be unset in the subprocess) and adds an environment
> + * variable pointing to new_git_dir. See local_repo_env in cache.h for more
> + * information.
This comment is out-of-date as of your previous patch. There's (at
least) one more variable that is also excluded.
> + */
> +void prepare_other_repo_env(struct strvec *env_array, const char *new_git_dir);
> +
> #endif
> diff --git a/submodule.c b/submodule.c
> index f09031e397..8e611fe1db 100644
> --- a/submodule.c
> +++ b/submodule.c
> @@ -484,28 +484,14 @@ static void print_submodule_diff_summary(struct repository *r, struct rev_info *
> strbuf_release(&sb);
> }
>
> -static void prepare_submodule_repo_env_no_git_dir(struct strvec *out)
> -{
> - const char * const *var;
> -
> - for (var = local_repo_env; *var; var++) {
> - if (strcmp(*var, CONFIG_DATA_ENVIRONMENT) &&
> - strcmp(*var, CONFIG_COUNT_ENVIRONMENT))
> - strvec_push(out, *var);
> - }
> -}
> -
> void prepare_submodule_repo_env(struct strvec *out)
> {
> - prepare_submodule_repo_env_no_git_dir(out);
> - strvec_pushf(out, "%s=%s", GIT_DIR_ENVIRONMENT,
> - DEFAULT_GIT_DIR_ENVIRONMENT);
> + prepare_other_repo_env(out, DEFAULT_GIT_DIR_ENVIRONMENT);
> }
>
> static void prepare_submodule_repo_env_in_gitdir(struct strvec *out)
> {
> - prepare_submodule_repo_env_no_git_dir(out);
> - strvec_pushf(out, "%s=.", GIT_DIR_ENVIRONMENT);
> + prepare_other_repo_env(out, ".");
> }
>
> /*
> --
> 2.32.0.rc1.229.g3e70b5a671-goog
next prev parent reply other threads:[~2021-06-10 21:22 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-01 21:34 [PATCH 0/4] First steps towards partial clone submodules Jonathan Tan
2021-06-01 21:34 ` [PATCH 1/4] promisor-remote: read partialClone config here Jonathan Tan
2021-06-04 19:56 ` Taylor Blau
2021-06-05 1:38 ` Jonathan Tan
2021-06-07 22:41 ` Emily Shaffer
2021-06-01 21:34 ` [PATCH 2/4] promisor-remote: support per-repository config Jonathan Tan
2021-06-04 20:09 ` Taylor Blau
2021-06-05 1:43 ` Jonathan Tan
2021-06-04 21:21 ` Elijah Newren
2021-06-05 1:54 ` Jonathan Tan
2021-06-08 0:48 ` Emily Shaffer
2021-06-01 21:34 ` [PATCH 3/4] run-command: move envvar-resetting function Jonathan Tan
2021-06-04 20:19 ` Taylor Blau
2021-06-05 1:57 ` Jonathan Tan
2021-06-08 0:54 ` Emily Shaffer
2021-06-01 21:34 ` [PATCH 4/4] promisor-remote: teach lazy-fetch in any repo Jonathan Tan
2021-06-04 21:25 ` Taylor Blau
2021-06-05 2:11 ` Jonathan Tan
2021-06-04 21:35 ` Elijah Newren
2021-06-05 2:16 ` Jonathan Tan
2021-06-05 3:48 ` Elijah Newren
2021-06-05 0:22 ` Elijah Newren
2021-06-05 2:16 ` Jonathan Tan
2021-06-08 1:41 ` Emily Shaffer
2021-06-09 4:52 ` Jonathan Tan
2021-06-08 0:25 ` [PATCH v2 0/4] First steps towards partial clone submodules Jonathan Tan
2021-06-08 0:25 ` [PATCH v2 1/4] promisor-remote: read partialClone config here Jonathan Tan
2021-06-08 3:18 ` Junio C Hamano
2021-06-09 4:26 ` Jonathan Tan
2021-06-09 9:30 ` Junio C Hamano
2021-06-09 17:16 ` Jonathan Tan
2021-06-08 17:28 ` Elijah Newren
2021-06-09 4:44 ` Jonathan Tan
2021-06-09 5:34 ` Elijah Newren
2021-06-10 17:25 ` Jonathan Tan
2021-06-08 0:25 ` [PATCH v2 2/4] promisor-remote: support per-repository config Jonathan Tan
2021-06-08 3:30 ` Junio C Hamano
2021-06-09 4:29 ` Jonathan Tan
2021-06-08 0:25 ` [PATCH v2 3/4] run-command: move envvar-resetting function Jonathan Tan
2021-06-08 4:14 ` Junio C Hamano
2021-06-09 4:32 ` Jonathan Tan
2021-06-09 5:28 ` Junio C Hamano
2021-06-09 18:15 ` Jonathan Tan
2021-06-08 0:25 ` [PATCH v2 4/4] promisor-remote: teach lazy-fetch in any repo Jonathan Tan
2021-06-08 4:33 ` Junio C Hamano
2021-06-09 4:39 ` Jonathan Tan
2021-06-09 5:33 ` Junio C Hamano
2021-06-09 18:20 ` Jonathan Tan
2021-06-10 1:26 ` Junio C Hamano
2021-06-08 17:42 ` Elijah Newren
2021-06-09 4:46 ` Jonathan Tan
2021-06-08 17:50 ` [PATCH v2 0/4] First steps towards partial clone submodules Elijah Newren
2021-06-08 23:42 ` Junio C Hamano
2021-06-09 0:07 ` Elijah Newren
2021-06-09 0:18 ` Junio C Hamano
2021-06-09 4:58 ` Jonathan Tan
2021-06-08 1:44 ` [PATCH " Emily Shaffer
2021-06-10 17:35 ` [PATCH v3 0/5] " Jonathan Tan
2021-06-10 17:35 ` [PATCH v3 1/5] repository: move global r_f_p_c to repo struct Jonathan Tan
2021-06-10 20:47 ` Elijah Newren
2021-06-10 17:35 ` [PATCH v3 2/5] promisor-remote: support per-repository config Jonathan Tan
2021-06-10 17:35 ` [PATCH v3 3/5] submodule: refrain from filtering GIT_CONFIG_COUNT Jonathan Tan
2021-06-10 21:13 ` Elijah Newren
2021-06-10 21:51 ` Jeff King
2021-06-11 17:02 ` Jonathan Tan
2021-06-10 17:35 ` [PATCH v3 4/5] run-command: refactor subprocess env preparation Jonathan Tan
2021-06-10 21:21 ` Elijah Newren [this message]
2021-06-10 17:35 ` [PATCH v3 5/5] promisor-remote: teach lazy-fetch in any repo Jonathan Tan
2021-06-10 21:29 ` [PATCH v3 0/5] First steps towards partial clone submodules Elijah Newren
2021-06-15 21:22 ` Elijah Newren
2021-06-17 17:13 ` [PATCH v4 " Jonathan Tan
2021-06-17 17:13 ` [PATCH v4 1/5] repository: move global r_f_p_c to repo struct Jonathan Tan
2021-06-17 17:13 ` [PATCH v4 2/5] promisor-remote: support per-repository config Jonathan Tan
2021-06-17 17:13 ` [PATCH v4 3/5] submodule: refrain from filtering GIT_CONFIG_COUNT Jonathan Tan
2021-06-17 17:13 ` [PATCH v4 4/5] run-command: refactor subprocess env preparation Jonathan Tan
2021-06-17 17:13 ` [PATCH v4 5/5] promisor-remote: teach lazy-fetch in any repo Jonathan Tan
2021-06-19 20:01 ` [PATCH v4 0/5] First steps towards partial clone submodules Elijah Newren
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