Contents of /builds_bin/update_rpms_dir

#!/usr/bin/perl -w
#
# Copyright (c) 2005 Gormand Pty Ltd. All rights reserved. This program
# is free software; you can redistribute it and/or modify it under the
# same terms as Perl itself.
#
# $Id: update_rpms_dir,v 1.6 2006/01/12 23:12:35 gordonr Exp $
#
# Update RPMS directory with the latest from a given list of directories

use RPM2;
use Getopt::Long;

my $rpm_flags =  RPM2->vsf_nodsa;       # Deal with missing DSA keys

GetOptions(\%opt, "verbose", "debug");

# XXX - FIXME - These will be command line options

my $rpms_dir = "/builds/RPMS";

my @repositories = qw( 
                /builds/rpms/RPMS/i386/
                /builds/rpms/RPMS/noarch/
                /mirrors/centos/4.2/updates/i386/RPMS/
                /mirrors/centos/4.2/os/i386/CentOS/RPMS/
                );

chdir $rpms_dir or die "Couldn't chdir $rpms_dir";

opendir RPMS, '.' or die "Couldn't opendir $rpms_dir";

for my $file ( sort grep { /.rpm$/ } readdir RPMS )
{
    warn "Checking $file:\n" if $opt{verbose};

    my $rpm = RPM2->open_package($file, $rpm_flags);

    for my $dir ( @repositories )
    {
        my $newest = find_newest($rpm, $dir);

        if ($newest)
        {
            # XXX - FIXME - Should we try other repos, or stop here?
            warn "rm $rpms_dir/$file; cp -p $dir/$newest $rpms_dir\n"
        }       
    }
}

sub find_newest
{
    my ($rpm, $dir) = @_;

    # XXX - FIXME - Need to cater for multiple architectures

    my $name = $rpm->name;
    $name =~ s/\+/\\+/g;        # libstdc++ and friends

    opendir DIR, $dir or die "Couldn't opendir $dir";
    my @rpms = sort grep { /^${name}-.*.rpm$/ } readdir DIR;
    closedir DIR;

    my $newest_file = undef;
    my $newest_hdr = undef;

    for my $file (@rpms)
    {
        warn "\tExamining $dir/$file\n" if $opt{debug};

        my $candidate = RPM2->open_package("$dir/$file", $rpm_flags);

        if ($candidate->name ne $name)
        {
            warn "\tIgnoring $file - name doesn't match\n" if $opt{debug};
            next;
        }

        if ( ($candidate cmp $rpm) <= 0)
        {
            warn "\tIgnoring $file - older or same version\n" if $opt{debug};
            next;
        }

        if (not defined $newest_hdr or ($candidate cmp $newest_hdr) > 0)
        {
            warn "\tNewest is $file\n" if $opt{debug};
            $newest_file = $file;
            $newest_hdr = $candidate;
        }
    }

    return $newest_file;
}
1	#!/usr/bin/perl -w
2	#
3	# Copyright (c) 2005 Gormand Pty Ltd. All rights reserved. This program
4	# is free software; you can redistribute it and/or modify it under the
5	# same terms as Perl itself.
6	#
7	# $Id: update_rpms_dir,v 1.6 2006/01/12 23:12:35 gordonr Exp $
8	#
9	# Update RPMS directory with the latest from a given list of directories
10
11	use RPM2;
12	use Getopt::Long;
13
14	my $rpm_flags = RPM2->vsf_nodsa; # Deal with missing DSA keys
15
16	GetOptions(\%opt, "verbose", "debug");
17
18	# XXX - FIXME - These will be command line options
19
20	my $rpms_dir = "/builds/RPMS";
21
22	my @repositories = qw(
23	/builds/rpms/RPMS/i386/
24	/builds/rpms/RPMS/noarch/
25	/mirrors/centos/4.2/updates/i386/RPMS/
26	/mirrors/centos/4.2/os/i386/CentOS/RPMS/
27	);
28
29	chdir $rpms_dir or die "Couldn't chdir $rpms_dir";
30
31	opendir RPMS, '.' or die "Couldn't opendir $rpms_dir";
32
33	for my $file ( sort grep { /.rpm$/ } readdir RPMS )
34	{
35	warn "Checking $file:\n" if $opt{verbose};
36
37	my $rpm = RPM2->open_package($file, $rpm_flags);
38
39	for my $dir ( @repositories )
40	{
41	my $newest = find_newest($rpm, $dir);
42
43	if ($newest)
44	{
45	# XXX - FIXME - Should we try other repos, or stop here?
46	warn "rm $rpms_dir/$file; cp -p $dir/$newest $rpms_dir\n"
47	}
48	}
49	}
50
51	sub find_newest
52	{
53	my ($rpm, $dir) = @_;
54
55	# XXX - FIXME - Need to cater for multiple architectures
56
57	my $name = $rpm->name;
58	$name =~ s/\+/\\+/g; # libstdc++ and friends
59
60	opendir DIR, $dir or die "Couldn't opendir $dir";
61	my @rpms = sort grep { /^${name}-.*.rpm$/ } readdir DIR;
62	closedir DIR;
63
64	my $newest_file = undef;
65	my $newest_hdr = undef;
66
67	for my $file (@rpms)
68	{
69	warn "\tExamining $dir/$file\n" if $opt{debug};
70
71	my $candidate = RPM2->open_package("$dir/$file", $rpm_flags);
72
73	if ($candidate->name ne $name)
74	{
75	warn "\tIgnoring $file - name doesn't match\n" if $opt{debug};
76	next;
77	}
78
79	if ( ($candidate cmp $rpm) <= 0)
80	{
81	warn "\tIgnoring $file - older or same version\n" if $opt{debug};
82	next;
83	}
84
85	if (not defined $newest_hdr or ($candidate cmp $newest_hdr) > 0)
86	{
87	warn "\tNewest is $file\n" if $opt{debug};
88	$newest_file = $file;
89	$newest_hdr = $candidate;
90	}
91	}
92
93	return $newest_file;
94	}