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/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#include <git2.h>
#include <git2/sys/config.h>
#include "git2_util.h"
#include "vector.h"
#include "common.h"
#include "error.h"
static int parse_option(cli_opt *opt, void *data)
{
git_str kv = GIT_STR_INIT, env = GIT_STR_INIT;
git_vector *cmdline_config = data;
int error = 0;
if (opt->spec && opt->spec->alias == 'c') {
if (git_str_puts(&kv, opt->value) < 0) {
error = cli_error_git();
goto done;
}
}
else if (opt->spec && !strcmp(opt->spec->name, "config-env")) {
char *val = strchr(opt->value, '=');
if (val == NULL || *(val + 1) == '\0') {
error = cli_error("invalid config format: '%s'", opt->value);
goto done;
}
if (git_str_put(&kv, opt->value, (val - opt->value)) < 0) {
error = cli_error_git();
goto done;
}
val++;
if ((error = git__getenv(&env, val)) == GIT_ENOTFOUND) {
error = cli_error("missing environment variable '%s' for configuration '%s'", val, kv.ptr);
goto done;
} else if (error) {
error = cli_error_git();
goto done;
}
if (git_str_putc(&kv, '=') < 0 ||
git_str_puts(&kv, env.ptr) < 0) {
error = cli_error_git();
goto done;
}
}
if (kv.size > 0 &&
git_vector_insert(cmdline_config, git_str_detach(&kv)) < 0)
error = cli_error_git();
done:
git_str_dispose(&env);
git_str_dispose(&kv);
return error;
}
static int parse_common_options(
git_repository *repo,
cli_repository_open_options *opts)
{
cli_opt_spec common_opts[] = {
{ CLI_COMMON_OPT_CONFIG },
{ CLI_COMMON_OPT_CONFIG_ENV },
{ 0 }
};
git_config_backend_memory_options config_opts =
GIT_CONFIG_BACKEND_MEMORY_OPTIONS_INIT;
git_vector cmdline = GIT_VECTOR_INIT;
git_config *config = NULL;
git_config_backend *backend = NULL;
int error = 0;
config_opts.backend_type = "command line";
if ((error = cli_opt_foreach(common_opts, opts->args,
opts->args_len, CLI_OPT_PARSE_GNU, parse_option,
&cmdline)) < 0)
goto done;
if (git_vector_length(&cmdline) == 0)
goto done;
if (git_repository_config(&config, repo) < 0 ||
git_config_backend_from_values(&backend,
(const char **)cmdline.contents, cmdline.length,
&config_opts) < 0 ||
git_config_add_backend(config, backend, GIT_CONFIG_LEVEL_APP,
repo, 0) < 0)
error = cli_error_git();
done:
if (error && backend)
backend->free(backend);
git_config_free(config);
git_vector_free_deep(&cmdline);
return error;
}
int cli_repository_open(
git_repository **out,
cli_repository_open_options *opts)
{
git_repository *repo;
if (git_repository_open_ext(&repo, ".", GIT_REPOSITORY_OPEN_FROM_ENV, NULL) < 0)
return -1;
if (opts && parse_common_options(repo, opts) < 0)
return -1;
*out = repo;
return 0;
}
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