Annotation 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 1.7 2006/02/08 04:04:48 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", "rpms_dir=s");

# XXX - FIXME - These will be command line options

my $rpms_dir = $opt{rpms_dir} || "/builds/RPMS";

warn "Using $rpms_dir\n" if $opt{debug};

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	gordonr	1.1	#!/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	gordonr	1.8	# $Id: update_rpms_dir,v 1.7 2006/02/08 04:04:48 gordonr Exp $
8	gordonr	1.1	#
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	gordonr	1.8	GetOptions(\%opt, "verbose", "debug", "rpms_dir=s");
17	gordonr	1.1
18			# XXX - FIXME - These will be command line options
19
20	gordonr	1.8	my $rpms_dir = $opt{rpms_dir} \|\| "/builds/RPMS";
21
22			warn "Using $rpms_dir\n" if $opt{debug};
23	gordonr	1.1
24			my @repositories = qw(
25			/builds/rpms/RPMS/i386/
26			/builds/rpms/RPMS/noarch/
27	gordonr	1.4	/mirrors/centos/4.2/updates/i386/RPMS/
28			/mirrors/centos/4.2/os/i386/CentOS/RPMS/
29	gordonr	1.1	);
30
31			chdir $rpms_dir or die "Couldn't chdir $rpms_dir";
32
33			opendir RPMS, '.' or die "Couldn't opendir $rpms_dir";
34
35			for my $file ( sort grep { /.rpm$/ } readdir RPMS )
36			{
37			warn "Checking $file:\n" if $opt{verbose};
38
39			my $rpm = RPM2->open_package($file, $rpm_flags);
40
41			for my $dir ( @repositories )
42			{
43			my $newest = find_newest($rpm, $dir);
44
45			if ($newest)
46			{
47			# XXX - FIXME - Should we try other repos, or stop here?
48	gordonr	1.3	warn "rm $rpms_dir/$file; cp -p $dir/$newest $rpms_dir\n"
49	gordonr	1.1	}
50			}
51			}
52
53			sub find_newest
54			{
55			my ($rpm, $dir) = @_;
56
57			# XXX - FIXME - Need to cater for multiple architectures
58
59			my $name = $rpm->name;
60			$name =~ s/\+/\\+/g; # libstdc++ and friends
61
62			opendir DIR, $dir or die "Couldn't opendir $dir";
63	gordonr	1.5	my @rpms = sort grep { /^${name}-.*.rpm$/ } readdir DIR;
64	gordonr	1.1	closedir DIR;
65
66			my $newest_file = undef;
67			my $newest_hdr = undef;
68
69			for my $file (@rpms)
70			{
71	gordonr	1.7	warn "\tExamining $dir/$file\n" if $opt{debug};
72
73	gordonr	1.1	my $candidate = RPM2->open_package("$dir/$file", $rpm_flags);
74
75			if ($candidate->name ne $name)
76			{
77	gordonr	1.7	warn "\tIgnoring $file - name doesn't match\n" if $opt{debug};
78	gordonr	1.1	next;
79			}
80
81			if ( ($candidate cmp $rpm) <= 0)
82			{
83	gordonr	1.7	warn "\tIgnoring $file - older or same version\n" if $opt{debug};
84	gordonr	1.1	next;
85			}
86
87	gordonr	1.5	if (not defined $newest_hdr or ($candidate cmp $newest_hdr) > 0)
88	gordonr	1.1	{
89	gordonr	1.7	warn "\tNewest is $file\n" if $opt{debug};
90	gordonr	1.1	$newest_file = $file;
91			$newest_hdr = $candidate;
92			}
93			}
94
95			return $newest_file;
96			}