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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"

#define COMMAND_NAME "version"

static int build_options;

struct info_names {

int key;

const char *name;

};

static const struct info_names buildinfo_names[] = {

{ GIT_BUILDINFO_CPU, "cpu" },

{ GIT_BUILDINFO_COMMIT, "built from commit" },

{ 0, NULL }

};

static const struct info_names feature_names[] = {

{ GIT_FEATURE_SHA1, "sha1" },

{ GIT_FEATURE_SHA256, "sha256" },

{ GIT_FEATURE_THREADS, "threads" },

{ GIT_FEATURE_NSEC, "nsec" },

{ GIT_FEATURE_COMPRESSION, "compression" },

{ GIT_FEATURE_I18N, "i18n" },

{ GIT_FEATURE_REGEX, "regex" },

{ GIT_FEATURE_SSH, "ssh" },

{ GIT_FEATURE_HTTPS, "https" },

{ GIT_FEATURE_HTTP_PARSER, "http_parser" },

{ GIT_FEATURE_AUTH_NTLM, "auth_ntlm" },

{ GIT_FEATURE_AUTH_NEGOTIATE, "auth_negotiate" },

{ 0, NULL }

};

static const cli_opt_spec opts[] = {

CLI_COMMON_OPT,

{ CLI_OPT_TYPE_SWITCH, "build-options", 0, &build_options, 1,

CLI_OPT_USAGE_DEFAULT, NULL, "show compile-time options" },

{ 0 },

};

static int print_help(void)

{

cli_opt_usage_fprint(stdout, PROGRAM_NAME, COMMAND_NAME, opts, 0);

printf("\n");

printf("Display version information for %s.\n", PROGRAM_NAME);

printf("\n");

printf("Options:\n");

cli_opt_help_fprint(stdout, opts);

return 0;

}

int cmd_version(int argc, char **argv)

{

cli_opt invalid_opt;

const struct info_names *i;

const char *backend;

int supported_features;

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 (cli_opt__show_help) {

print_help();

return 0;

}

printf("%s version %s\n", PROGRAM_NAME, LIBGIT2_VERSION);

if (build_options) {

supported_features = git_libgit2_features();

for (i = buildinfo_names; i->key; i++) {

const char *value = git_libgit2_buildinfo(i->key);

if (value && *value)

printf("%s: %s\n", i->name, value);

}

printf("sizeof-long: %" PRIuZ "\n", sizeof(long));

printf("sizeof-size_t: %" PRIuZ "\n", sizeof(size_t));

for (i = feature_names; i->key; i++) {

if (!(supported_features & i->key))

continue;

backend = git_libgit2_feature_backend(i->key);

printf("backend-%s: %s\n", i->name, backend);

}

}

return 0;

}