> On 28 Apr 2016, at 15:38, Jeff King <peff@xxxxxxxx> wrote:
>
> These functions should be used by any code which spawns a
> submodule process, which may happen in submodule.c (e.g.,
> for spawning fetch). Let's move them there and make them
> public so that submodule--helper can continue to use them.
>
> Sine they're now public, let's also
s/Sine/Since
Thanks for fixing this entire issue, Peff!
- Lars
> provide a basic overview
> of their intended use.
>
> Signed-off-by: Jeff King <peff@xxxxxxxx>
> ---
> builtin/submodule--helper.c | 48 --------------------------------------------
> submodule.c | 49 +++++++++++++++++++++++++++++++++++++++++++++
> submodule.h | 16 +++++++++++++++
> 3 files changed, 65 insertions(+), 48 deletions(-)
>
> diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
> index 3bd6883..de3ad5b 100644
> --- a/builtin/submodule--helper.c
> +++ b/builtin/submodule--helper.c
> @@ -119,54 +119,6 @@ static int module_name(int argc, const char **argv, const char *prefix)
> return 0;
> }
>
> -/*
> - * Rules to sanitize configuration variables that are Ok to be passed into
> - * submodule operations from the parent project using "-c". Should only
> - * include keys which are both (a) safe and (b) necessary for proper
> - * operation.
> - */
> -static int submodule_config_ok(const char *var)
> -{
> - if (starts_with(var, "credential."))
> - return 1;
> - return 0;
> -}
> -
> -static int sanitize_submodule_config(const char *var, const char *value, void *data)
> -{
> - struct strbuf *out = data;
> -
> - if (submodule_config_ok(var)) {
> - if (out->len)
> - strbuf_addch(out, ' ');
> -
> - if (value)
> - sq_quotef(out, "%s=%s", var, value);
> - else
> - sq_quote_buf(out, var);
> - }
> -
> - return 0;
> -}
> -
> -static void prepare_submodule_repo_env(struct argv_array *out)
> -{
> - const char * const *var;
> -
> - for (var = local_repo_env; *var; var++) {
> - if (!strcmp(*var, CONFIG_DATA_ENVIRONMENT)) {
> - struct strbuf sanitized_config = STRBUF_INIT;
> - git_config_from_parameters(sanitize_submodule_config,
> - &sanitized_config);
> - argv_array_pushf(out, "%s=%s", *var, sanitized_config.buf);
> - strbuf_release(&sanitized_config);
> - } else {
> - argv_array_push(out, *var);
> - }
> - }
> -
> -}
> -
> static int clone_submodule(const char *path, const char *gitdir, const char *url,
> const char *depth, const char *reference, int quiet)
> {
> diff --git a/submodule.c b/submodule.c
> index 90825e1..02eaf0e 100644
> --- a/submodule.c
> +++ b/submodule.c
> @@ -13,6 +13,7 @@
> #include "argv-array.h"
> #include "blob.h"
> #include "thread-utils.h"
> +#include "quote.h"
>
> static int config_fetch_recurse_submodules = RECURSE_SUBMODULES_ON_DEMAND;
> static int parallel_jobs = 1;
> @@ -1129,3 +1130,51 @@ int parallel_submodules(void)
> {
> return parallel_jobs;
> }
> +
> +/*
> + * Rules to sanitize configuration variables that are Ok to be passed into
> + * submodule operations from the parent project using "-c". Should only
> + * include keys which are both (a) safe and (b) necessary for proper
> + * operation.
> + */
> +static int submodule_config_ok(const char *var)
> +{
> + if (starts_with(var, "credential."))
> + return 1;
> + return 0;
> +}
> +
> +int sanitize_submodule_config(const char *var, const char *value, void *data)
> +{
> + struct strbuf *out = data;
> +
> + if (submodule_config_ok(var)) {
> + if (out->len)
> + strbuf_addch(out, ' ');
> +
> + if (value)
> + sq_quotef(out, "%s=%s", var, value);
> + else
> + sq_quote_buf(out, var);
> + }
> +
> + return 0;
> +}
> +
> +void prepare_submodule_repo_env(struct argv_array *out)
> +{
> + const char * const *var;
> +
> + for (var = local_repo_env; *var; var++) {
> + if (!strcmp(*var, CONFIG_DATA_ENVIRONMENT)) {
> + struct strbuf sanitized_config = STRBUF_INIT;
> + git_config_from_parameters(sanitize_submodule_config,
> + &sanitized_config);
> + argv_array_pushf(out, "%s=%s", *var, sanitized_config.buf);
> + strbuf_release(&sanitized_config);
> + } else {
> + argv_array_push(out, *var);
> + }
> + }
> +
> +}
> diff --git a/submodule.h b/submodule.h
> index 7ef3775..7577b3b 100644
> --- a/submodule.h
> +++ b/submodule.h
> @@ -61,4 +61,20 @@ int push_unpushed_submodules(unsigned char new_sha1[20], const char *remotes_nam
> void connect_work_tree_and_git_dir(const char *work_tree, const char *git_dir);
> int parallel_submodules(void);
>
> +/*
> + * This function is intended as a callback for use with
> + * git_config_from_parameters(). It ignores any config options which
> + * are not suitable for passing along to a submodule, and accumulates the rest
> + * in "data", which must be a pointer to a strbuf. The end result can
> + * be put into $GIT_CONFIG_PARAMETERS for passing to a sub-process.
> + */
> +int sanitize_submodule_config(const char *var, const char *value, void *data);
> +
> +/*
> + * Prepare the "env_array" parameter of a "struct child_process" for executing
> + * a submodule by clearing any repo-specific envirionment variables, but
> + * retaining any config approved by sanitize_submodule_config().
> + */
> +void prepare_submodule_repo_env(struct argv_array *out);
> +
> #endif
> --
> 2.8.1.617.gbdccc2d
>
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