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deps/libgit2/src/libgit2/remote.c  view on Meta::CPAN

	if ((error = git_net_url_dup(&lookup_url, url)) < 0)
		goto done;

	if (remote->repo) {
		if ((error = git_repository_config(&cfg, remote->repo)) < 0)
			goto done;
	} else {
		if ((error = git_config_open_default(&cfg)) < 0)
			goto done;
	}

	/* remote.<name>.proxy config setting */
	if (remote->name && remote->name[0]) {
		git_str_clear(&buf);

		if ((error = git_str_printf(&buf, "remote.%s.proxy", remote->name)) < 0 ||
		    (error = lookup_config(out, cfg, buf.ptr)) != GIT_ENOTFOUND)
			goto done;
	}

	while (true) {
		git_str_clear(&buf);

		if ((error = git_str_puts(&buf, "http.")) < 0 ||
		    (error = git_net_url_fmt(&buf, &lookup_url)) < 0 ||
		    (error = git_str_puts(&buf, ".proxy")) < 0 ||
		    (error = lookup_config(out, cfg, buf.ptr)) != GIT_ENOTFOUND)
			goto done;

		if (! lookup_url.path[0])
			break;

		url_config_trim(&lookup_url);
	}

	git_str_clear(&buf);

	error = lookup_config(out, cfg, "http.proxy");

done:
	git_config_free(cfg);
	git_str_dispose(&buf);
	git_net_url_dispose(&lookup_url);
	return error;
}

static int http_proxy_env(char **out, git_remote *remote, git_net_url *url)
{
	git_str proxy_env = GIT_STR_INIT, no_proxy_env = GIT_STR_INIT;
	bool use_ssl = (strcmp(url->scheme, "https") == 0);
	int error;

	GIT_UNUSED(remote);

	/* http_proxy / https_proxy environment variables */
	error = git__getenv(&proxy_env, use_ssl ? "https_proxy" : "http_proxy");

	/* try uppercase environment variables */
	if (error == GIT_ENOTFOUND)
		error = git__getenv(&proxy_env, use_ssl ? "HTTPS_PROXY" : "HTTP_PROXY");

	if (error)
		goto done;

	/* no_proxy/NO_PROXY environment variables */
	error = git__getenv(&no_proxy_env, "no_proxy");

	if (error == GIT_ENOTFOUND)
		error = git__getenv(&no_proxy_env, "NO_PROXY");

	if (error && error != GIT_ENOTFOUND)
		goto done;

	if (!git_net_url_matches_pattern_list(url, no_proxy_env.ptr))
		*out = git_str_detach(&proxy_env);
	else
		error = GIT_ENOTFOUND;

done:
	git_str_dispose(&proxy_env);
	git_str_dispose(&no_proxy_env);
	return error;
}

int git_remote__http_proxy(char **out, git_remote *remote, git_net_url *url)
{
	int error;

	GIT_ASSERT_ARG(out);
	GIT_ASSERT_ARG(remote);

	*out = NULL;

	/*
	 * Go through the possible sources for proxy configuration,
	 * Examine the various git config options first, then
	 * consult environment variables.
	 */
	if ((error = http_proxy_config(out, remote, url)) != GIT_ENOTFOUND ||
	    (error = http_proxy_env(out, remote, url)) != GIT_ENOTFOUND)
		return error;

	return 0;
}

/* DWIM `refspecs` based on `refs` and append the output to `out` */
static int dwim_refspecs(git_vector *out, git_vector *refspecs, git_vector *refs)
{
	size_t i;
	git_refspec *spec;

	git_vector_foreach(refspecs, i, spec) {
		if (git_refspec__dwim_one(out, spec, refs) < 0)
			return -1;
	}

	return 0;
}

static void free_refspecs(git_vector *vec)