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 1.10 2006/02/14 04:08:46 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", "target_dir=s");

# XXX - FIXME - These will be command line options

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

my $target_dir = $opt{target_dir} || $rpms_dir;

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

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?
            print "rm $target_dir/$file; cp -p $dir/$newest $target_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	1.11	# $Id: update_rpms_dir,v 1.10 2006/02/14 04:08:46 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	1.11	GetOptions(\%opt, "verbose", "debug", "rpms_dir=s", "target_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	gordonr	1.11	my $target_dir = $opt{target_dir} \|\| $rpms_dir;
23
24	gordonr	1.9	warn "Using $rpms_dir\n" if $opt{verbose};
25	gordonr	1.1
26			my @repositories = qw(
27			/builds/rpms/RPMS/i386/
28			/builds/rpms/RPMS/noarch/
29	gordonr	1.4	/mirrors/centos/4.2/updates/i386/RPMS/
30			/mirrors/centos/4.2/os/i386/CentOS/RPMS/
31	gordonr	1.1	);
32
33			chdir $rpms_dir or die "Couldn't chdir $rpms_dir";
34
35			opendir RPMS, '.' or die "Couldn't opendir $rpms_dir";
36
37			for my $file ( sort grep { /.rpm$/ } readdir RPMS )
38			{
39			warn "Checking $file:\n" if $opt{verbose};
40
41			my $rpm = RPM2->open_package($file, $rpm_flags);
42
43			for my $dir ( @repositories )
44			{
45			my $newest = find_newest($rpm, $dir);
46
47			if ($newest)
48			{
49			# XXX - FIXME - Should we try other repos, or stop here?
50	gordonr	1.11	print "rm $target_dir/$file; cp -p $dir/$newest $target_dir\n"
51	gordonr	1.1	}
52			}
53			}
54
55			sub find_newest
56			{
57			my ($rpm, $dir) = @_;
58
59			# XXX - FIXME - Need to cater for multiple architectures
60
61			my $name = $rpm->name;
62			$name =~ s/\+/\\+/g; # libstdc++ and friends
63
64			opendir DIR, $dir or die "Couldn't opendir $dir";
65	gordonr	1.5	my @rpms = sort grep { /^${name}-.*.rpm$/ } readdir DIR;
66	gordonr	1.1	closedir DIR;
67
68			my $newest_file = undef;
69			my $newest_hdr = undef;
70
71			for my $file (@rpms)
72			{
73	gordonr	1.7	warn "\tExamining $dir/$file\n" if $opt{debug};
74
75	gordonr	1.1	my $candidate = RPM2->open_package("$dir/$file", $rpm_flags);
76
77			if ($candidate->name ne $name)
78			{
79	gordonr	1.7	warn "\tIgnoring $file - name doesn't match\n" if $opt{debug};
80	gordonr	1.1	next;
81			}
82
83			if ( ($candidate cmp $rpm) <= 0)
84			{
85	gordonr	1.7	warn "\tIgnoring $file - older or same version\n" if $opt{debug};
86	gordonr	1.1	next;
87			}
88
89	gordonr	1.5	if (not defined $newest_hdr or ($candidate cmp $newest_hdr) > 0)
90	gordonr	1.1	{
91	gordonr	1.7	warn "\tNewest is $file\n" if $opt{debug};
92	gordonr	1.1	$newest_file = $file;
93			$newest_hdr = $candidate;
94			}
95			}
96
97			return $newest_file;
98			}