| 1 | #!/usr/bin/perl -w
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| 2 | #
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| 3 | # Creates common environment for distributions
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| 4 | #
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| 5 | # $Id$
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| 6 | #
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| 7 |
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| 8 | use strict;
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| 9 |
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| 10 | sub distro_init {
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| 11 |
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| 12 | my $ddir = shift || undef;
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| 13 | my $dver = shift || undef;
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| 14 | my $dfam = "unknown";
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| 15 | my $dtype = "unknown";
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| 16 | my $dsuf = "unknown";
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| 17 |
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| 18 | # If we don't know which distribution we're on, then guess it
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| 19 | ($ddir,$dver) = get_distro() if ((not defined $ddir) || (not defined $dver));
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| 20 |
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| 21 | # There shold be unicity of names between ddir dfam and dtype
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| 22 | # In case of duplicate, bad things can happen
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| 23 | if (($ddir =~ /debian/) ||
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| 24 | ($ddir =~ /ubuntu/)) {
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| 25 | $dfam="du";
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| 26 | $dtype="deb";
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| 27 | $dsuf=".$ddir$dver";
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| 28 | } elsif ($ddir =~ /gentoo/) {
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| 29 | $dfam="gen";
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| 30 | $dtype="ebuild";
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| 31 | my $dver1 = $dver;
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| 32 | $dver1 =~ s/\.//;
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| 33 | $dsuf=".$ddir$dver1";
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| 34 | } elsif ($ddir =~ /slackware/) {
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| 35 | $dfam="slack";
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| 36 | $dtype="tgz";
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| 37 | $dsuf=".$dfam$dver";
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| 38 | } elsif (($ddir =~ /suse/) ||
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| 39 | ($ddir =~ /sles/)) {
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| 40 | $dfam="novell";
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| 41 | $dtype="rpm";
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| 42 | $dsuf=".$ddir$dver";
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| 43 | } elsif (($ddir =~ /redhat/) ||
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| 44 | ($ddir =~ /rhel/) ||
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| 45 | ($ddir =~ /fedora/) ||
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| 46 | ($ddir =~ /centos/)) {
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| 47 | $dfam="rh";
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| 48 | $dtype="rpm";
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| 49 | my $dver1 = $dver;
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| 50 | $dver1 =~ s/\.//;
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| 51 | if ($ddir =~ /fedora/) {
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| 52 | $dsuf=".fc$dver1";
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| 53 | } elsif ($ddir =~ /redhat/) {
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| 54 | $dsuf=".rh$dver1";
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| 55 | } else {
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| 56 | $dsuf=".$ddir$dver1";
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| 57 | }
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| 58 | } elsif (($ddir =~ /mandrake/) ||
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| 59 | ($ddir =~ /mandriva/)) {
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| 60 | $dfam="md";
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| 61 | $dtype="rpm";
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| 62 | if ($ddir =~ /mandrake/) {
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| 63 | my $dver1 = $dver;
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| 64 | $dver1 =~ s/\.//;
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| 65 | $dsuf=".mdk$dver1";
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| 66 | } else {
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| 67 | $dsuf=".mdv$dver";
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| 68 | }
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| 69 | } elsif ($ddir =~ /freebsd/) {
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| 70 | $dfam="bsd";
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| 71 | $dtype="port";
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| 72 | my $dver1 = $dver;
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| 73 | $dver1 =~ s/\.//;
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| 74 | $dsuf=".$dfam$dver1";
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| 75 | } else {
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| 76 | $dfam="unknown";
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| 77 | $dtype="unknown";
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| 78 | $dsuf="unknown";
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| 79 | }
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| 80 |
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| 81 | return($ddir, $dver, $dfam, $dtype, $dsuf);
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| 82 | }
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| 83 |
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| 84 | sub get_distro {
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| 85 |
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| 86 | # Cf: http://linuxmafia.com/faq/Admin/release-files.html
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| 87 | # Ideas taken from
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| 88 | # http://search.cpan.org/~kerberus/Linux-Distribution-0.14/lib/Linux/Distribution.pm
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| 89 |
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| 90 | my $base="/etc";
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| 91 |
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| 92 | # List of files that unambiguously indicates what distro we have
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| 93 | my %single_rel_files = (
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| 94 | # Tested
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| 95 | 'gentoo' => 'gentoo-release', # >= 1.6
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| 96 | 'debian' => 'debian_version', # >= 3.1
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| 97 | 'slackware' => 'slackware-version', # >= 10.2
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| 98 | 'mandriva' => 'mandriva-release', # >=2006.0
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| 99 | 'fedora' => 'fedora-release', # >= 4
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| 100 | 'sles' => 'sles-release', # ???
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| 101 | # Untested
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| 102 | 'knoppix' => 'knoppix_version', #
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| 103 | 'yellowdog' => 'yellowdog-release', #
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| 104 | 'esmith' => 'e-smith-release', #
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| 105 | 'turbolinux' => 'turbolinux-release', #
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| 106 | 'blackcat' => 'blackcat-release', #
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| 107 | 'aurox' => 'aurox-release', #
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| 108 | 'annvix' => 'annvix-release', #
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| 109 | 'cobalt' => 'cobalt-release', #
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| 110 | 'redflag' => 'redflag-release', #
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| 111 | 'ark' => 'ark-release', #
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| 112 | 'pld' => 'pld-release', #
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| 113 | 'nld' => 'nld-release', #
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| 114 | 'lfs' => 'lfs-release', #
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| 115 | 'mk' => 'mk-release', #
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| 116 | 'conectiva' => 'conectiva-release', #
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| 117 | 'immunix' => 'immunix-release', #
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| 118 | 'tinysofa' => 'tinysofa-release', #
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| 119 | 'trustix' => 'trustix-release', #
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| 120 | 'adamantix' => 'adamantix_version', #
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| 121 | 'yoper' => 'yoper-release', #
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| 122 | 'arch' => 'arch-release', #
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| 123 | 'libranet' => 'libranet_version', #
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| 124 | 'valinux' => 'va-release', #
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| 125 | 'yellowdog' => 'yellowdog-release', #
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| 126 | 'ultrapenguin' => 'ultrapenguin-release', #
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| 127 | );
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| 128 |
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| 129 | # List of files that ambiguously indicates what distro we have
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| 130 | my %ambiguous_rel_files = (
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| 131 | 'mandrake' => 'mandrake-release', # >= 10.1
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| 132 | 'suse' => 'SuSE-release', # >= 10.0
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| 133 | 'redhat' => 'redhat-release', # >= 7.3
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| 134 | 'lsb' => 'lsb-release', # ???
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| 135 | );
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| 136 |
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| 137 | # Should have the same keys as the previous one.
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| 138 | # If ambiguity, which other distributions should be checked
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| 139 | my %distro_similar = (
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| 140 | 'mandrake' => ['mandrake'],
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| 141 | 'suse' => ['suse', 'sles'],
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| 142 | 'redhat' => ['redhat', 'rhel', 'centos', 'mandrake'],
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| 143 | 'lsb' => ['ubuntu', 'debian', 'lsb'],
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| 144 | );
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| 145 |
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| 146 | my %distro_match = (
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| 147 | # Tested
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| 148 | 'gentoo' => '.* version (.+)',
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| 149 | 'debian' => '([^/]+)[/]*.*',
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| 150 | 'slackware' => 'S[^ ]* (.+)$',
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| 151 | # There should be no ambiguity between potential ambiguous distro
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| 152 | 'mandrake' => 'Mandr[^ ]* release (.+) \(',
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| 153 | 'mandriva' => 'Mandr[^ ]* [^ ]* release (.+) \(',
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| 154 | 'fedora' => 'Fedora .*release (\d+) \(',
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| 155 | 'rhel' => 'Red Hat Enterprise Linux .*release (.+) \(',
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| 156 | 'centos' => '.*CentOS .*release (.+) ',
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| 157 | 'redhat' => 'Red Hat Linux release (.+) \(',
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| 158 | 'sles' => '.* Enterprise .*\nVERSION = (.+)',
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| 159 | 'suse' => '.* [^Enterpis] .*\nVERSION = (.+)',
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| 160 | 'lsb' => '.*[^Ubunt].*\nDISTRIB_RELEASE=(.+)',
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| 161 | 'ubuntu' => '.*Ubuntu.*\nDISTRIB_RELEASE=(.+)',
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| 162 | # Not tested
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| 163 | 'arch' => '.* ([0-9.]+) .*',
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| 164 | 'redflag' => 'Red Flag (?:Desktop|Linux) (?:release |\()(.*?)(?: \(.+)?\)',
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| 165 | );
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| 166 |
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| 167 | my $release;
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| 168 | my $distro;
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| 169 |
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| 170 | # Begin to test presence of non-amiguous files
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| 171 | # that way we reduce the choice
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| 172 | my ($d,$r);
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| 173 | while (($d,$r) = each %single_rel_files) {
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| 174 | if (-f "$base/$r" && !-l "$base/$r") {
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| 175 | my $tmp=get_content("$base/$r");
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| 176 | # Found the only possibility.
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| 177 | # Try to get version and return
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| 178 | if (defined ($distro_match{$d})) {
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| 179 | ($release) = $tmp =~ m/$distro_match{$d}/m;
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| 180 | } else {
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| 181 | print STDERR "Unable to find $d version in $r\n";
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| 182 | print STDERR "Please report to the maintainer bruno_at_project-builder.org\n";
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| 183 | $release = "unknown";
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| 184 | }
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| 185 | return($d,$release);
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| 186 | }
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| 187 | }
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| 188 |
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| 189 | while (($d,$r) = each %ambiguous_rel_files) {
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| 190 | if (-f "$base/$r" && !-l "$base/$r"){
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| 191 | # Found one possibility.
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| 192 | # Get all distros concerned by that file
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| 193 | my $tmp=get_content("$base/$r");
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| 194 | my $found = 0;
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| 195 | my $ptr = $distro_similar{$d};
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| 196 | print $LOG "amb: ".Dumper($ptr)."\n" if ($debug >= 1);
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| 197 | $release = "unknown";
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| 198 | foreach my $dd (@$ptr) {
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| 199 | print $LOG "check $dd\n" if ($debug >= 1);
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| 200 | # Try to check pattern
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| 201 | if (defined $distro_match{$dd}) {
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| 202 | print $LOG "cmp: $distro_match{$dd} - vs - $tmp\n" if ($debug >= 1);
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| 203 | ($release) = $tmp =~ m/$distro_match{$dd}/m;
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| 204 | if ((defined $release) && ($release ne "unknown")) {
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| 205 | $distro = $dd;
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| 206 | $found = 1;
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| 207 | last;
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| 208 | }
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| 209 | }
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| 210 | }
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| 211 | if ($found == 0) {
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| 212 | print STDERR "Unable to find $d version in $r\n";
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| 213 | print STDERR "Please report to the maintainer bruno_at_project-builder.org\n";
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| 214 | $release = "unknown";
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| 215 | } else {
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| 216 | return($distro,$release);
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| 217 | }
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| 218 | }
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| 219 | }
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| 220 | return("unknown","unknown");
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| 221 | }
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| 222 |
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| 223 | sub get_content {
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| 224 |
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| 225 | my $file=shift;
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| 226 |
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| 227 | my $bkp = $/;
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| 228 | undef $/;
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| 229 | open(R,$file) || die "Unable to open $file: $!";
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| 230 | my $content=<R>;
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| 231 | close(R);
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| 232 | chomp($content);
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| 233 | $/ = $bkp;
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| 234 | return($content);
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| 235 | }
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| 236 | 1;
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