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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 <stdio.h>
#include <git2.h>
#include "common.h"
#include "cmd.h"
#include "error.h"
#include "sighandler.h"
#include "progress.h"
#include "fs_path.h"
#include "futils.h"
#define COMMAND_NAME "clone"
static char *branch, *remote_path, *local_path, *depth;
static int show_help, quiet, checkout = 1, bare;
static bool local_path_exists;
static cli_progress progress = CLI_PROGRESS_INIT;
static const cli_opt_spec opts[] = {
CLI_COMMON_OPT,
{ CLI_OPT_TYPE_SWITCH, "quiet", 'q', &quiet, 1,
CLI_OPT_USAGE_DEFAULT, NULL, "display the type of the object" },
{ CLI_OPT_TYPE_SWITCH, "no-checkout", 'n', &checkout, 0,
CLI_OPT_USAGE_DEFAULT, NULL, "don't checkout HEAD" },
{ CLI_OPT_TYPE_SWITCH, "bare", 0, &bare, 1,
CLI_OPT_USAGE_DEFAULT, NULL, "don't create a working directory" },
{ CLI_OPT_TYPE_VALUE, "branch", 'b', &branch, 0,
CLI_OPT_USAGE_DEFAULT, "name", "branch to check out" },
{ CLI_OPT_TYPE_VALUE, "depth", 0, &depth, 0,
CLI_OPT_USAGE_DEFAULT, "depth", "commit depth to check out " },
{ CLI_OPT_TYPE_LITERAL },
{ CLI_OPT_TYPE_ARG, "repository", 0, &remote_path, 0,
CLI_OPT_USAGE_REQUIRED, "repository", "repository path" },
{ 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 a repository into a new 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 int compute_depth(const char *depth)
{
int64_t i;
const char *endptr;
if (!depth)
return 0;
if (git__strntol64(&i, depth, strlen(depth), &endptr, 10) < 0 || i < 0 || i > INT_MAX || *endptr) {
fprintf(stderr, "fatal: depth '%s' is not valid.\n", depth);
exit(128);
}
return (int)i;
}
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)) {
fprintf(stderr, "fatal: destination path '%s' already exists and is not an empty directory.\n",
path);
exit(128);
}
return true;
}
static void cleanup(void)
{
int rmdir_flags = GIT_RMDIR_REMOVE_FILES;
cli_progress_abort(&progress);
if (local_path_exists)
rmdir_flags |= GIT_RMDIR_SKIP_ROOT;
if (!git_fs_path_isdir(local_path))
return;
git_futils_rmdir_r(local_path, NULL, rmdir_flags);
}
static void interrupt_cleanup(void)
{
cleanup();
exit(130);
}
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;
int ret = 0;
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 (!remote_path) {
ret = cli_error_usage("you must specify a repository to clone");
goto done;
}
clone_opts.bare = !!bare;
clone_opts.checkout_branch = branch;
clone_opts.fetch_opts.depth = compute_depth(depth);
if (!checkout)
clone_opts.checkout_opts.checkout_strategy = GIT_CHECKOUT_NONE;
if (!local_path)
local_path = computed_path = compute_local_path(remote_path);
local_path_exists = validate_local_path(local_path);
cli_sighandler_set_interrupt(interrupt_cleanup);
if (!local_path_exists &&
git_futils_mkdir(local_path, 0777, 0) < 0) {
ret = cli_error_git();
goto done;
}
if (!quiet) {
clone_opts.fetch_opts.callbacks.sideband_progress = cli_progress_fetch_sideband;
clone_opts.fetch_opts.callbacks.transfer_progress = cli_progress_fetch_transfer;
clone_opts.fetch_opts.callbacks.payload = &progress;
clone_opts.checkout_opts.progress_cb = cli_progress_checkout;
clone_opts.checkout_opts.progress_payload = &progress;
printf("Cloning into '%s'...\n", local_path);
}
if (git_clone(&repo, remote_path, local_path, &clone_opts) < 0) {
cleanup();
ret = cli_error_git();
goto done;
}
cli_progress_finish(&progress);
done:
cli_progress_dispose(&progress);
git__free(computed_path);
git_repository_free(repo);
return ret;
}
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