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Removed the libtar archive and patches.
[pkgutils-cross.git] / pkgrm.cc
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9ac667e6
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1//
2// pkgutils
3//
4// Copyright (c) 2000-2005 Per Liden
5//
6// This program is free software; you can redistribute it and/or modify
7// it under the terms of the GNU General Public License as published by
8// the Free Software Foundation; either version 2 of the License, or
9// (at your option) any later version.
10//
11// This program is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14// GNU General Public License for more details.
15//
16// You should have received a copy of the GNU General Public License
17// along with this program; if not, write to the Free Software
18// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
19// USA.
20//
21
22#include "pkgrm.h"
23#include <unistd.h>
24
25void pkgrm::run(int argc, char** argv)
26{
27 //
28 // Check command line options
29 //
30 string o_package;
31 string o_root;
32
33 for (int i = 1; i < argc; i++) {
34 string option(argv[i]);
35 if (option == "-r" || option == "--root") {
36 assert_argument(argv, argc, i);
37 o_root = argv[i + 1];
38 i++;
39 } else if (option[0] == '-' || !o_package.empty()) {
40 throw runtime_error("invalid option " + option);
41 } else {
42 o_package = option;
43 }
44 }
45
46 if (o_package.empty())
47 throw runtime_error("option missing");
48
49 //
50 // Check UID
51 //
52 if (getuid())
53 throw runtime_error("only root can remove packages");
54
55 //
56 // Remove package
57 //
58 {
59 db_lock lock(o_root, true);
60 db_open(o_root);
61
62 if (!db_find_pkg(o_package))
63 throw runtime_error("package " + o_package + " not installed");
64
65 db_rm_pkg(o_package);
66 ldconfig();
67 db_commit();
68 }
69}
70
71void pkgrm::print_help() const
72{
73 cout << "usage: " << utilname << " [options] <package>" << endl
74 << "options:" << endl
75 << " -r, --root <path> specify alternative installation root" << endl
76 << " -v, --version print version and exit" << endl
77 << " -h, --help print help and exit" << endl;
78}