xref: /haiku/src/bin/package_repo/package_repo.cpp (revision a272ee798f1d6429c5274aa00fc2a2c02e9ba858)
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 
15 extern const char* __progname;
16 const char* kCommandName = __progname;
17 
18 
19 static 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 	"    When -t is specified, filenames in the package-list-file are assumed\n"
44 	"    to be equal to their canonical name that can be reconstructed from\n"
45 	"    the repository file. This removes the need for accessing the files\n"
46 	"    and they are allowed to be completely missing.\n"
47 	"\n"
48 	"    -C <dir>   - Change to directory <dir> before starting.\n"
49 	"    -q         - be quiet (don't show any output except for errors).\n"
50 	"    -v         - be verbose (list package attributes as encountered).\n"
51 	"    -t         - Trust filenames in package-list-file to be canonical.\n"
52 	"\n"
53 	"Common Options:\n"
54 	"  -h, --help   - Print this usage info.\n"
55 ;
56 
57 
58 void
59 print_usage_and_exit(bool error)
60 {
61     fprintf(error ? stderr : stdout, kUsage, kCommandName);
62     exit(error ? 1 : 0);
63 }
64 
65 
66 int
67 main(int argc, const char* const* argv)
68 {
69 	if (argc < 2)
70 		print_usage_and_exit(true);
71 
72 	const char* command = argv[1];
73 	if (strcmp(command, "create") == 0)
74 		return command_create(argc - 1, argv + 1);
75 
76 	if (strcmp(command, "list") == 0)
77 		return command_list(argc - 1, argv + 1);
78 
79 	if (strcmp(command, "update") == 0)
80 		return command_update(argc - 1, argv + 1);
81 
82 	if (strcmp(command, "help") == 0)
83 		print_usage_and_exit(false);
84 	else
85 		print_usage_and_exit(true);
86 
87 	// never gets here
88 	return 0;
89 }
90