1 //
2 // pkgutils
3 //
4 // Copyright (c) 2000-2005 Per Liden
5 // Copyright (c) 2006-2021 by CRUX team (http://crux.nu)
6 //
7 // This program is free software; you can redistribute it and/or modify
8 // it under the terms of the GNU General Public License as published by
9 // the Free Software Foundation; either version 2 of the License, or
10 // (at your option) any later version.
11 //
12 // This program is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
16 //
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
20 // USA.
21 //
22
23 #include "pkginfo.h"
24 #include <iterator>
25 #include <vector>
26 #include <iomanip>
27 #include <sys/types.h>
28 #include <regex.h>
29
30 void pkginfo::run(int argc, char** argv)
31 {
32 //
33 // Check command line options
34 //
35 int o_footprint_mode = 0;
36 int o_installed_mode = 0;
37 int o_list_mode = 0;
38 int o_owner_mode = 0;
39 string o_root;
40 string o_arg;
41
42 for (int i = 1; i < argc; ++i) {
43 string option(argv[i]);
44 if (option == "-r" || option == "--root") {
45 assert_argument(argv, argc, i);
46 o_root = argv[i + 1];
47 i++;
48 } else if (option == "-i" || option == "--installed") {
49 o_installed_mode += 1;
50 } else if (option == "-l" || option == "--list") {
51 assert_argument(argv, argc, i);
52 o_list_mode += 1;
53 o_arg = argv[i + 1];
54 i++;
55 } else if (option == "-o" || option == "--owner") {
56 assert_argument(argv, argc, i);
57 o_owner_mode += 1;
58 o_arg = argv[i + 1];
59 i++;
60 } else if (option == "-f" || option == "--footprint") {
61 assert_argument(argv, argc, i);
62 o_footprint_mode += 1;
63 o_arg = argv[i + 1];
64 i++;
65 } else {
66 throw runtime_error("invalid option " + option);
67 }
68 }
69
70 if (o_footprint_mode + o_installed_mode + o_list_mode + o_owner_mode == 0)
71 throw runtime_error("option missing");
72
73 if (o_footprint_mode + o_installed_mode + o_list_mode + o_owner_mode > 1)
74 throw runtime_error("too many options");
75
76 if (o_footprint_mode) {
77 //
78 // Make footprint
79 //
80 pkg_footprint(o_arg);
81 } else {
82 //
83 // Modes that require the database to be opened
84 //
85 {
86 db_lock lock(o_root, false);
87 db_open(o_root);
88 }
89
90 if (o_installed_mode) {
91 //
92 // List installed packages
93 //
94 for (packages_t::const_iterator i = packages.begin(); i != packages.end(); ++i)
95 cout << i->first << ' ' << i->second.version << endl;
96 } else if (o_list_mode) {
97 //
98 // List package or file contents
99 //
100 if (db_find_pkg(o_arg)) {
101 copy(packages[o_arg].files.begin(), packages[o_arg].files.end(), ostream_iterator<string>(cout, "\n"));
102 } else if (file_exists(o_arg)) {
103 pair<string, pkginfo_t> package = pkg_open(o_arg);
104 copy(package.second.files.begin(), package.second.files.end(), ostream_iterator<string>(cout, "\n"));
105 } else {
106 throw runtime_error(o_arg + " is neither an installed package nor a package file");
107 }
108 } else {
109 //
110 // List owner(s) of file or directory
111 //
112 regex_t preg;
113 if (regcomp(&preg, o_arg.c_str(), REG_EXTENDED | REG_NOSUB))
114 throw runtime_error("error compiling regular expression '" + o_arg + "', aborting");
115
116 vector<pair<string, string> > result;
117 result.push_back(pair<string, string>("Package", "File"));
118 unsigned int width = result.begin()->first.length(); // Width of "Package"
119
120 for (packages_t::const_iterator i = packages.begin(); i != packages.end(); ++i) {
121 for (set<string>::const_iterator j = i->second.files.begin(); j != i->second.files.end(); ++j) {
122 const string file('/' + *j);
123 if (!regexec(&preg, file.c_str(), 0, 0, 0)) {
124 result.push_back(pair<string, string>(i->first, *j));
125 if (i->first.length() > width)
126 width = i->first.length();
127 }
128 }
129 }
130
131 regfree(&preg);
132
133 if (result.size() > 1) {
134 for (vector<pair<string, string> >::const_iterator i = result.begin(); i != result.end(); ++i) {
135 cout << left << setw(width + 2) << i->first << i->second << endl;
136 }
137 } else {
138 cout << utilname << ": no owner(s) found" << endl;
139 }
140 }
141 }
142 }
143
144 void pkginfo::print_help() const
145 {
146 cout << "usage: " << utilname << " [options]" << endl
147 << "options:" << endl
148 << " -i, --installed list installed packages" << endl
149 << " -l, --list <package|file> list files in <package> or <file>" << endl
150 << " -o, --owner <pattern> list owner(s) of file(s) matching <pattern>" << endl
151 << " -f, --footprint <file> print footprint for <file>" << endl
152 << " -r, --root <path> specify alternative installation root" << endl
153 << " -v, --version print version and exit" << endl
154 << " -h, --help print help and exit" << endl;
155 }
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