1/*
2 * Copyright 2011, Oliver Tappe <zooey@hirschkaefer.de>
3 * Distributed under the terms of the MIT License.
4 */
5
6
7#include "package_repo.h"
8
9#include <errno.h>
10#include <getopt.h>
11#include <stdio.h>
12#include <stdlib.h>
13#include <string.h>
14
15extern const char* __progname;
16const char* kCommandName = __progname;
17
18
19static const char* kUsage =
20	"Usage: %s <command> <command args>\n"
21	"Creates or inspects a Haiku package repository file.\n"
22	"\n"
23	"Commands:\n"
24	"  create [ <options> ] <repo-info> <package-file ...> \n"
25	"    Creates a package repository from the information found in \n"
26	"    <repo-info>, adding the given package files.\n"
27	"\n"
28	"    -C <dir>   - Change to directory <dir> before starting.\n"
29	"    -q         - be quiet (don't show any output except for errors).\n"
30	"    -v         - be verbose (list package attributes as encountered).\n"
31	"\n"
32	"  list [ <options> ] <package-repo>\n"
33	"    Lists the contents of package repository file <package-repo>.\n"
34	"\n"
35	"    -v         - be verbose (list attributes of all packages found).\n"
36	"\n"
37	"  update [ <options> ] <source-repo> <new-repo> <package-list-file> \n"
38	"    Creates package repository file <new-repo> with all the packages\n"
39	"    contained in <package-list-file>. If possible, package-infos are\n"
40	"    taken from <source-repo> to avoid the need for recomputing the\n"
41	"    checksum of all packages.\n"
42	"    <old-repo> and <new-repo> can be the same file.\n"
43	"\n"
44	"    -C <dir>   - Change to directory <dir> before starting.\n"
45	"    -q         - be quiet (don't show any output except for errors).\n"
46	"    -v         - be verbose (list package attributes as encountered).\n"
47	"\n"
48	"Common Options:\n"
49	"  -h, --help   - Print this usage info.\n"
50;
51
52
53void
54print_usage_and_exit(bool error)
55{
56    fprintf(error ? stderr : stdout, kUsage, kCommandName);
57    exit(error ? 1 : 0);
58}
59
60
61int
62main(int argc, const char* const* argv)
63{
64	if (argc < 2)
65		print_usage_and_exit(true);
66
67	const char* command = argv[1];
68	if (strcmp(command, "create") == 0)
69		return command_create(argc - 1, argv + 1);
70
71	if (strcmp(command, "list") == 0)
72		return command_list(argc - 1, argv + 1);
73
74	if (strcmp(command, "update") == 0)
75		return command_update(argc - 1, argv + 1);
76
77	if (strcmp(command, "help") == 0)
78		print_usage_and_exit(false);
79	else
80		print_usage_and_exit(true);
81
82	// never gets here
83	return 0;
84}
85