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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 "cli.h"
#include "cmd.h"
#include "fs_path.h"
#include "futils.h"
#define COMMAND_NAME "clone"
static int show_help;
static int quiet;
static bool local_path_exists;
static char *remote_path, *local_path;
static const cli_opt_spec opts[] = {
{ CLI_OPT_TYPE_SWITCH, "help", 0, &show_help, 1,
CLI_OPT_USAGE_HIDDEN | CLI_OPT_USAGE_STOP_PARSING, NULL,
"display help about the " COMMAND_NAME " command" },
{ CLI_OPT_TYPE_BOOL, "quiet", 'q', &quiet, 0,
CLI_OPT_USAGE_DEFAULT, NULL, "do not display progress output" },
{ CLI_OPT_TYPE_LITERAL },
{ CLI_OPT_TYPE_ARG, "repository", 0, &remote_path, 0,
CLI_OPT_USAGE_REQUIRED, "repository", "path to repository to clone" },
{ CLI_OPT_TYPE_ARG, "directory", 0, &local_path, 0,
CLI_OPT_USAGE_DEFAULT, "directory", "directory to clone into" },
{ 0 },
};
static void print_help(void)
{
cli_opt_usage_fprint(stdout, PROGRAM_NAME, COMMAND_NAME, opts);
printf("\n");
printf("Clone an existing repository into a local directory.\n");
printf("\n");
printf("Options:\n");
cli_opt_help_fprint(stdout, opts);
}
static char *compute_local_path(const char *orig_path)
{
const char *slash;
char *local_path;
if ((slash = strrchr(orig_path, '/')) == NULL &&
(slash = strrchr(orig_path, '\\')) == NULL)
local_path = git__strdup(orig_path);
else
local_path = git__strdup(slash + 1);
return local_path;
}
static bool validate_local_path(const char *path)
{
if (!git_fs_path_exists(path))
return false;
if (!git_fs_path_isdir(path) || !git_fs_path_is_empty_dir(path))
cli_die("fatal: destination path '%s' already exists and is not an empty directory.\n", path);
return true;
}
static void cleanup(void)
{
int rmdir_flags = GIT_RMDIR_REMOVE_FILES;
if (local_path_exists)
rmdir_flags |= GIT_RMDIR_SKIP_ROOT;
if (!git_fs_path_isdir(local_path))
return;
if (git_futils_rmdir_r(local_path, NULL, rmdir_flags) < 0)
cli_die_git();
}
int cmd_clone(int argc, char **argv)
{
git_clone_options clone_opts = GIT_CLONE_OPTIONS_INIT;
git_repository *repo = NULL;
cli_opt invalid_opt;
char *computed_path = NULL;
if (cli_opt_parse(&invalid_opt, opts, argv + 1, argc - 1, CLI_OPT_PARSE_GNU))
return cli_opt_usage_error(COMMAND_NAME, opts, &invalid_opt);
if (show_help) {
print_help();
return 0;
}
if (!local_path)
local_path = computed_path = compute_local_path(remote_path);
local_path_exists = validate_local_path(local_path);
if (!quiet)
printf("Cloning into '%s'...\n", local_path);
if (git_clone(&repo, remote_path, local_path, &clone_opts) < 0) {
cleanup();
cli_die_git();
}
git__free(computed_path);
git_repository_free(repo);
return 0;
}
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