summaryrefslogtreecommitdiffstats
path: root/urpm.pm
blob: 01fe941771e4a413456655d5bd5a7c4e66f34212 (plain)
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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
package urpm;

# $Id$

no warnings 'utf8';
use strict;
use File::Find ();
use urpm::msg;
use urpm::download;
use urpm::util;
use urpm::sys;
use urpm::cfg;
use urpm::md5sum;

our $VERSION = '6.25';
our @ISA = qw(URPM Exporter);
our @EXPORT_OK = ('file_from_local_url', 'file_from_local_medium', 'is_local_medium');

use URPM;
use URPM::Resolve;

#- this violently overrides is_arch_compat() to always return true.
sub shunt_ignorearch {
    eval q( sub URPM::Package::is_arch_compat { 1 } );
}

sub xml_info_policies() { qw(never on-demand update-only always) }

sub default_options {
    { 
	'split-level' => 1,
	'split-length' => 8,
	'verify-rpm' => 1,
	'post-clean' => 1,
	'xml-info' => 'on-demand',
	'max-round-robin-tries' => 5,
	'max-round-robin-probes' => 2,
	'days-between-mirrorlist-update' => 5,
	'nb-of-new-unrequested-pkgs-between-auto-select-orphans-check' => 10,
    };
}

#- create a new urpm object.
sub new {
    my ($class) = @_;
    my $self;
    $self = bless {
	# from URPM
	depslist   => [],
	provides   => {},
	obsoletes  => {},

	media      => undef,
	options    => {},

	fatal      => sub { printf STDERR "%s\n", $_[1]; exit($_[0]) },
	error      => sub { printf STDERR "%s\n", $_[0] },
	info       => sub { printf "%s\n", $_[0] }, #- displayed unless --quiet
	log        => sub { printf "%s\n", $_[0] }, #- displayed if --verbose
	ui_msg     => sub {
	    # deprecated
	    $self->{log}($_[0]);
	},
    }, $class;

    set_files($self, '');
    $self->set_nofatal(1);
    $self;
}

sub new_parse_cmdline {
    my ($class) = @_;
    my $urpm = $class->new;
    urpm::args::parse_cmdline(urpm => $urpm);
    get_global_options($urpm);
    $urpm;
}

sub _add2hash { my ($a, $b) = @_; while (my ($k, $v) = each %{$b || {}}) { defined $a->{$k} or $a->{$k} = $v } $a }

sub get_global_options {
    my ($urpm) = @_;

    my $config = urpm::cfg::load_config($urpm->{config})
      or $urpm->{fatal}(6, $urpm::cfg::err);

    if (my $global = $config->{global}) {
	_add2hash($urpm->{options}, $global);
    }
    #- remember global options for write_config
    $urpm->{global_config} = $config->{global};

    _add2hash($urpm->{options}, default_options());
}

sub prefer_rooted {
    my ($root, $file) = @_;
    -e "$root$file" ? "$root$file" : $file;
}

sub userdir_prefix {
    my ($_urpm) = @_;
    '/tmp/.urpmi-';
}
sub userdir {
    my ($urpm) = @_;
    $< or return;

    my $dir = ($urpm->{urpmi_root} || '') . userdir_prefix($urpm) . $<;
    mkdir $dir, 0755; # try to create it

    -d $dir && ! -l $dir or $urpm->{fatal}(1, N("fail to create directory %s", $dir));
    -o $dir && -w $dir or $urpm->{fatal}(1, N("invalid owner for directory %s", $dir));

    mkdir "$dir/partial";
    mkdir "$dir/rpms";

    $dir;
}
sub ensure_valid_cachedir {
    my ($urpm) = @_;
    if (my $dir = userdir($urpm)) {
	$urpm->{cachedir} = $dir;
    }
    -w "$urpm->{cachedir}/partial" or $urpm->{fatal}(1, N("Can not download packages into %s", "$urpm->{cachedir}/partial"));
}
sub valid_cachedir {
    my ($urpm) = @_;
    userdir($urpm) || $urpm->{cachedir};
}

sub is_temporary_file {
    my ($urpm, $f) = @_;

    begins_with($f, $urpm->{cachedir});
}

sub set_env {
    my ($urpm, $env) = @_;
    -d $env or $urpm->{fatal}(8, N("Environment directory %s does not exist", $env));
    print N("using specific environment on %s\n", $env);
    #- setting new environment.
    $urpm->{config} = "$env/urpmi.cfg";
    if (cat_($urpm->{config}) =~ /^\s*virtual\s*$/m) {
	print "dropping virtual from $urpm->{config}\n";
	system(q(perl -pi -e 's/^\s*virtual\s*$//' ) . $urpm->{config});
    }
    $urpm->{configs_dir} = "$env/media.d";
    $urpm->{skiplist} = "$env/skip.list";
    $urpm->{instlist} = "$env/inst.list";
    $urpm->{prefer_list} = "$env/prefer.list";
    $urpm->{prefer_vendor_list} = "$env/prefer.vendor.list";
    $urpm->{statedir} = $env;
    $urpm->{env_rpmdb} = "$env/rpmdb.cz";
    $urpm->{env_dir} = $env;
}

sub set_files {
    my ($urpm, $urpmi_root) = @_;

    $urpmi_root and $urpmi_root = file2absolute_file($urpmi_root);

    my %h = (
	config        => "$urpmi_root/etc/urpmi/urpmi.cfg",
	skiplist      => prefer_rooted($urpmi_root, '/etc/urpmi/skip.list'),
	instlist      => prefer_rooted($urpmi_root, '/etc/urpmi/inst.list'),
	prefer_list   => prefer_rooted($urpmi_root, '/etc/urpmi/prefer.list'),
	prefer_vendor_list => 
	                 prefer_rooted($urpmi_root, '/etc/urpmi/prefer.vendor.list'),
	private_netrc => "$urpmi_root/etc/urpmi/netrc",
	statedir      => "$urpmi_root/var/lib/urpmi",
	cachedir      => "$urpmi_root/var/cache/urpmi",
	root          => $urpmi_root,
	$urpmi_root ? (urpmi_root => $urpmi_root) : (),
    );
    $urpm->{$_} = $h{$_} foreach keys %h;

    create_var_lib_rpm($urpm, %h);

   # policy is too use chroot environment only for --urpmi-root, not for --root:
    if ($urpmi_root && -e "$urpmi_root/etc/rpm/macros") {
	URPM::loadmacrosfile("$urpmi_root/etc/rpm/macros");
    }
}

sub create_var_lib_rpm {
    my ($urpm, %h) = @_;
    require File::Path;
    File::Path::mkpath([ $h{statedir}, 
			 (map { "$h{cachedir}/$_" } qw(partial rpms)),
			 dirname($h{config}),
			 "$urpm->{root}/var/lib/rpm",
			 "$urpm->{root}/var/tmp",
		     ]);
}

sub modify_rpm_macro {
    my ($name, $to_remove, $to_add) = @_;

    my $val = URPM::expand('%' . $name);
    $val =~ s/$to_remove/$to_add/ or $val = join(' ', grep { $_ } $val, $to_add);
    URPM::add_macro("$name $val");
}

sub set_tune_rpm {
    my ($urpm, $para) = @_;

    my %h = map { $_ => 1 } map { 
	if ($_ eq 'all') {
	    ('nofsync', 'private');
	} else {
	    $_;
	}
    } split(',', $para);

    $urpm->{tune_rpm} = \%h;
}

sub tune_rpm {
    my ($urpm) = @_;

    if ($urpm->{tune_rpm}{nofsync}) {
	modify_rpm_macro('__dbi_other', 'fsync', 'nofsync');
    }
    if ($urpm->{tune_rpm}{private}) {
	urpm::sys::clean_rpmdb_shared_regions($urpm->{root});
	modify_rpm_macro('__dbi_other', 'usedbenv', 'private');
    }
}

sub _blist_pkg_to_urls {
    my ($blist, @pkgs) = @_;
    my $base_url = $blist->{medium}{url} . '/';
    map { $base_url . $_->filename } @pkgs;
}
sub blist_pkg_to_url {
    my ($blist, $pkg) = @_;
    my ($url) = _blist_pkg_to_urls($blist, $pkg);
    $url;
}
sub blist_to_urls {
    my ($blist) = @_;
    _blist_pkg_to_urls($blist, values %{$blist->{pkgs}});
}
sub blist_to_filenames {
    my ($blist) = @_;
    map { $_->filename } values %{$blist->{pkgs}};
}

sub protocol_from_url {
    my ($url) = @_;
    $url =~ m!^(\w+)(_[^:]*)?:! && $1;
}
sub file_from_local_url {
    my ($url) = @_;
    $url =~ m!^(?:removable[^:]*:/|file:/)?(/.*)! && $1;
}
sub file_from_local_medium {
    my ($medium, $o_url) = @_;
    my $url = $o_url || $medium->{url};
    if ($url =~ m!^cdrom://(.*)!) {
	my $rel = $1;	
	$medium->{mntpoint} or do { require Carp; Carp::confess("cdrom is not mounted yet!\n") };
	"$medium->{mntpoint}/$rel";
    } else {
	file_from_local_url($url);
    }
}
sub is_local_url {
    my ($url) = @_;
    file_from_local_url($url) || is_cdrom_url($url);
}
sub is_local_medium {
    my ($medium) = @_;
    is_local_url($medium->{url});
}
sub is_cdrom_url {
    my ($url) = @_;
    protocol_from_url($url) eq 'cdrom';
}

sub db_open_or_die_ {
    my ($urpm, $b_write_perm) = @_;
    my $db;
    if ($urpm->{env_rpmdb}) {
	#- URPM has same methods as URPM::DB and empty URPM will be seen as empty URPM::DB.
        $db = new URPM;
        $db->parse_synthesis($urpm->{env_rpmdb});
    } else {
	$db = db_open_or_die($urpm, $urpm->{root}, $b_write_perm);
    }
    $db;
}

# please use higher level function db_open_or_die_()
sub db_open_or_die {
    my ($urpm, $root, $b_write_perm) = @_;

    $urpm->{debug} and $urpm->{debug}("opening rpmdb (root=$root, write=$b_write_perm)");

    my $db = URPM::DB::open($root, $b_write_perm || 0)
      or $urpm->{fatal}(9, N("unable to open rpmdb"));

    $db;
}

#- register local packages for being installed, keep track of source.
sub register_rpms {
    my ($urpm, @files) = @_;
    my ($start, $id, $error, %requested);

    #- examine each rpm and build the depslist for them using current
    #- depslist and provides environment.
    $start = @{$urpm->{depslist}};
    foreach (@files) {
	/\.(?:rpm|spec)$/ or $error = 1, $urpm->{error}(N("invalid rpm file name [%s]", $_)), next;

	#- if that's an URL, download.
	if (protocol_from_url($_)) {
	    my $basename = basename($_);
	    unlink "$urpm->{cachedir}/partial/$basename";
	    $urpm->{log}(N("retrieving rpm file [%s] ...", $_));
	    if (urpm::download::sync_url($urpm, $_, quiet => 1)) {
		$urpm->{log}(N("...retrieving done"));
		$_ = "$urpm->{cachedir}/partial/$basename";
	    } else {
		$urpm->{error}(N("...retrieving failed: %s", $@));
		unlink "$urpm->{cachedir}/partial/$basename";
		next;
	    }
	} else {
	    -r $_ or $error = 1, $urpm->{error}(N("unable to access rpm file [%s]", $_)), next;
	}

	if (/\.spec$/) {
	    my $pkg = URPM::spec2srcheader($_)
		or $error = 1, $urpm->{error}(N("unable to parse spec file %s [%s]", $_, $!)), next;
	    $id = @{$urpm->{depslist}};
	    $urpm->{depslist}[$id] = $pkg;
	    $pkg->set_id($id); #- sets internal id to the depslist id.
	    $urpm->{source}{$id} = $_;
	} else {
	    ($id) = $urpm->parse_rpm($_);
	    my $pkg = defined $id && $urpm->{depslist}[$id];
	    $pkg or $error = 1, $urpm->{error}(N("unable to register rpm file")), next;
	    $pkg->arch eq 'src' || $pkg->is_arch_compat
		or $error = 1, $urpm->{error}(N("Incompatible architecture for rpm [%s]", $_)), next;
	    $urpm->{source}{$id} = $_;
	}
    }
    $error and $urpm->{fatal}(2, N("error registering local packages"));
    defined $id && $start <= $id and @requested{($start .. $id)} = (1) x ($id-$start+1);

    #- distribute local packages to distant nodes directly in cache of each machine.
    if (@files && $urpm->{parallel_handler}) {
	$urpm->{parallel_handler}->parallel_register_rpms($urpm, @files);
    }

    %requested;
}

#- checks whether the delta RPM represented by $pkg is installable wrt the
#- RPM DB on $root. For this, it extracts the rpm version to which the
#- delta applies from the delta rpm filename itself. So naming conventions
#- do matter :)
sub is_delta_installable {
    my ($urpm, $pkg, $root) = @_;
    $pkg->flag_installed or return 0;
    my $f = $pkg->filename;
    my $n = $pkg->name;
    my ($v_match) = $f =~ /^\Q$n\E-(.*)_.+\.delta\.rpm$/;
    my $db = db_open_or_die($urpm, $root);
    my $v_installed;
    $db->traverse(sub {
	my ($p) = @_;
	$p->name eq $n and $v_installed = $p->version . '-' . $p->release;
    });
    $v_match eq $v_installed;
}

#- extract package that should be installed instead of upgraded,
#- installing instead of upgrading is useful
#- - for inst.list (cf flag disable_obsolete)
#- sources is a hash of id -> source rpm filename.
sub extract_packages_to_install {
    my ($urpm, $sources, $_state) = @_;
    my %inst;

    foreach (keys %$sources) {
	my $pkg = $urpm->{depslist}[$_] or next;
	$pkg->flag_disable_obsolete
	  and $inst{$pkg->id} = delete $sources->{$pkg->id};
    }

    \%inst;
}

#- deprecated
sub install { require urpm::install; &urpm::install::install }

#- deprecated
sub parallel_remove { &urpm::parallel::remove }

#- get reason of update for packages to be updated
#- use all update medias if none given
sub get_updates_description {
    my ($urpm, @update_medias) = @_;
    my %update_descr;
    my ($cur, $section);

    @update_medias or @update_medias = urpm::media::non_ignored_media($urpm, 'update');

    foreach my $medium (@update_medias) {
        # fix not taking into account the last %package token of each descrptions file: '%package dummy'
	foreach (cat_utf8(urpm::media::statedir_descriptions($urpm, $medium)),
                 ($::env ? cat_utf8("$::env/descriptions") : ()), '%package dummy') {
	    /^%package +(.+)/ and do {
		# fixes not parsing descriptions file when MU adds itself the security source:
		if (exists $cur->{importance} && !member($cur->{importance}, qw(security bugfix))) {
		    $cur->{importance} = 'normal';
		}
		$update_descr{$medium->{name}}{$_} = $cur foreach @{$cur->{pkgs} || []};
		$cur = { pkgs => [ split /\s/, $1 ] };
		$section = 'pkg';
		next;
	    };
	    /^Updated?: +(.+)/ && $section eq 'pkg' and do { $cur->{updated} = $1; next };
	    /^Importance: +(.+)/ && $section eq 'pkg' and do { $cur->{importance} = $1; next };
	    /^(ID|URL): +(.+)/ && $section eq 'pkg' and do { $cur->{$1} = $2; next };
	    /^%(pre|description)/ and do { $section = $1; next };
	    $section  =~ /^(pre|description)\z/ and $cur->{$1} .= $_;
	}
    }
    \%update_descr;
}

sub error_restricted ($) {
    my ($urpm) = @_;
    $urpm->{fatal}(2, N("This operation is forbidden while running in restricted mode"));
}

sub DESTROY {}

1;

__END__

=head1 NAME

urpm - Mandriva perl tools to handle the urpmi database

=head1 DESCRIPTION

C<urpm> is used by urpmi executables to manipulate packages and media
on a Mandriva Linux distribution.

=head2 The urpm class

=over 4

=item urpm->new()

The constructor creates a new urpm object. It's a blessed hash that
contains fields from C<URPM>, and also the following fields:

B<source>: { id => src_rpm_file|spec_file }

B<media>: [ { 
   start => int, end => int, name => string, url => string,
   virtual => bool, media_info_dir => string, with_synthesis => string,
   no-media-info => bool,
   iso => string, downloader => string,
   ignore => bool, update => bool, modified => bool, really_modified => bool,
   unknown_media_info => bool, 
 } ],

=back

=head1 SEE ALSO

The C<URPM> package is used to manipulate at a lower level synthesis and rpm
files.

=head1 COPYRIGHT

Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 MandrakeSoft SA

Copyright (C) 2005, 2006 Mandriva SA

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, 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.

=cut

# ex: set ts=8 sts=4 sw=4 noet: