-
Notifications
You must be signed in to change notification settings - Fork 0
/
pkginfo.cc
155 lines (143 loc) · 4.84 KB
/
pkginfo.cc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
//
// pkgutils
//
// Copyright (c) 2000-2005 Per Liden
// Copyright (c) 2006-2017 by CRUX team (http://crux.nu)
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
//
#include "pkginfo.h"
#include <iterator>
#include <vector>
#include <iomanip>
#include <sys/types.h>
#include <regex.h>
void pkginfo::run(int argc, char** argv)
{
//
// Check command line options
//
int o_footprint_mode = 0;
int o_installed_mode = 0;
int o_list_mode = 0;
int o_owner_mode = 0;
string o_root;
string o_arg;
for (int i = 1; i < argc; ++i) {
string option(argv[i]);
if (option == "-r" || option == "--root") {
assert_argument(argv, argc, i);
o_root = argv[i + 1];
i++;
} else if (option == "-i" || option == "--installed") {
o_installed_mode += 1;
} else if (option == "-l" || option == "--list") {
assert_argument(argv, argc, i);
o_list_mode += 1;
o_arg = argv[i + 1];
i++;
} else if (option == "-o" || option == "--owner") {
assert_argument(argv, argc, i);
o_owner_mode += 1;
o_arg = argv[i + 1];
i++;
} else if (option == "-f" || option == "--footprint") {
assert_argument(argv, argc, i);
o_footprint_mode += 1;
o_arg = argv[i + 1];
i++;
} else {
throw runtime_error("invalid option " + option);
}
}
if (o_footprint_mode + o_installed_mode + o_list_mode + o_owner_mode == 0)
throw runtime_error("option missing");
if (o_footprint_mode + o_installed_mode + o_list_mode + o_owner_mode > 1)
throw runtime_error("too many options");
if (o_footprint_mode) {
//
// Make footprint
//
pkg_footprint(o_arg);
} else {
//
// Modes that require the database to be opened
//
{
db_lock lock(o_root, false);
db_open(o_root);
}
if (o_installed_mode) {
//
// List installed packages
//
for (packages_t::const_iterator i = packages.begin(); i != packages.end(); ++i)
cout << i->first << ' ' << i->second.version << endl;
} else if (o_list_mode) {
//
// List package or file contents
//
if (db_find_pkg(o_arg)) {
copy(packages[o_arg].files.begin(), packages[o_arg].files.end(), ostream_iterator<string>(cout, "\n"));
} else if (file_exists(o_arg)) {
pair<string, pkginfo_t> package = pkg_open(o_arg);
copy(package.second.files.begin(), package.second.files.end(), ostream_iterator<string>(cout, "\n"));
} else {
throw runtime_error(o_arg + " is neither an installed package nor a package file");
}
} else {
//
// List owner(s) of file or directory
//
regex_t preg;
if (regcomp(&preg, o_arg.c_str(), REG_EXTENDED | REG_NOSUB))
throw runtime_error("error compiling regular expression '" + o_arg + "', aborting");
vector<pair<string, string> > result;
result.push_back(pair<string, string>("Package", "File"));
unsigned int width = result.begin()->first.length(); // Width of "Package"
for (packages_t::const_iterator i = packages.begin(); i != packages.end(); ++i) {
for (set<string>::const_iterator j = i->second.files.begin(); j != i->second.files.end(); ++j) {
const string file('/' + *j);
if (!regexec(&preg, file.c_str(), 0, 0, 0)) {
result.push_back(pair<string, string>(i->first, *j));
if (i->first.length() > width)
width = i->first.length();
}
}
}
regfree(&preg);
if (result.size() > 1) {
for (vector<pair<string, string> >::const_iterator i = result.begin(); i != result.end(); ++i) {
cout << left << setw(width + 2) << i->first << i->second << endl;
}
} else {
cout << utilname << ": no owner(s) found" << endl;
}
}
}
}
void pkginfo::print_help() const
{
cout << "usage: " << utilname << " [options]" << endl
<< "options:" << endl
<< " -i, --installed list installed packages" << endl
<< " -l, --list <package|file> list files in <package> or <file>" << endl
<< " -o, --owner <pattern> list owner(s) of file(s) matching <pattern>" << endl
<< " -f, --footprint <file> print footprint for <file>" << endl
<< " -r, --root <path> specify alternative installation root" << endl
<< " -v, --version print version and exit" << endl
<< " -h, --help print help and exit" << endl;
}