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submodule--helper: move config-sanitizing to submodule.c

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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.

Since they're now public, let's also provide a basic overview
of their intended use.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King
2016-04-28 09:38:20 -04:00
committed by Junio C Hamano
parent 860cba61a3
commit 4638728c63
3 changed files with 64 additions and 48 deletions
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48
builtin/submodule--helper.c
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@ -125,54 +125,6 @@ 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)
{