| 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 pb_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) = pb_get_distro() if ((not defined $ddir) || (not defined $dver)); |
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| 20 | |
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| 21 | # There should be unicity of names between ddir dfam and dtype |
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| 22 | # In case of duplicate, bad things can happen |
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| 23 | if (($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 | $dver="nover"; |
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| 32 | $dsuf=".$ddir"; |
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| 33 | } elsif ($ddir =~ /slackware/) { |
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| 34 | $dfam="slack"; |
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| 35 | $dtype="tgz"; |
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| 36 | $dsuf=".$dfam$dver"; |
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| 37 | } elsif (($ddir =~ /suse/) || |
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| 38 | ($ddir =~ /sles/)) { |
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| 39 | if ($ddir =~ /opensuse/) { |
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| 40 | $ddir = "suse"; |
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| 41 | } |
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| 42 | $dfam="novell"; |
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| 43 | $dtype="rpm"; |
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| 44 | $dsuf=".$ddir$dver"; |
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| 45 | } elsif (($ddir =~ /redhat/) || |
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| 46 | ($ddir =~ /rhel/) || |
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| 47 | ($ddir =~ /fedora/) || |
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| 48 | ($ddir =~ /vmware/) || |
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| 49 | ($ddir =~ /centos/)) { |
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| 50 | $dfam="rh"; |
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| 51 | $dtype="rpm"; |
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| 52 | my $dver1 = $dver; |
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| 53 | $dver1 =~ s/\.//; |
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| 54 | if ($ddir =~ /fedora/) { |
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| 55 | $dsuf=".fc$dver1"; |
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| 56 | } elsif ($ddir =~ /redhat/) { |
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| 57 | $dsuf=".rh$dver1"; |
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| 58 | } elsif ($ddir =~ /vmware/) { |
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| 59 | $dsuf=".vwm$dver1"; |
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| 60 | } else { |
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| 61 | $dsuf=".$ddir$dver1"; |
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| 62 | } |
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| 63 | } elsif (($ddir =~ /mandrake/) || |
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| 64 | ($ddir =~ /mandrakelinux/) || |
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| 65 | ($ddir =~ /mandriva/)) { |
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| 66 | $dfam="md"; |
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| 67 | $dtype="rpm"; |
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| 68 | if ($ddir =~ /mandrakelinux/) { |
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| 69 | $ddir = "mandrake"; |
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| 70 | } |
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| 71 | if ($ddir =~ /mandrake/) { |
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| 72 | my $dver1 = $dver; |
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| 73 | $dver1 =~ s/\.//; |
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| 74 | $dsuf=".mdk$dver1"; |
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| 75 | } else { |
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| 76 | $dsuf=".mdv$dver"; |
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| 77 | } |
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| 78 | } elsif ($ddir =~ /freebsd/) { |
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| 79 | $dfam="bsd"; |
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| 80 | $dtype="port"; |
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| 81 | my $dver1 = $dver; |
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| 82 | $dver1 =~ s/\.//; |
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| 83 | $dsuf=".$dfam$dver1"; |
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| 84 | } else { |
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| 85 | $dfam="unknown"; |
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| 86 | $dtype="unknown"; |
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| 87 | $dsuf="unknown"; |
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| 88 | } |
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| 89 | |
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| 90 | return($ddir, $dver, $dfam, $dtype, $dsuf); |
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| 91 | } |
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| 92 | |
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| 93 | sub pb_get_distro { |
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| 94 | |
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| 95 | # Cf: http://linuxmafia.com/faq/Admin/release-files.html |
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| 96 | # Ideas taken from |
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| 97 | # http://search.cpan.org/~kerberus/Linux-Distribution-0.14/lib/Linux/Distribution.pm |
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| 98 | |
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| 99 | my $base="/etc"; |
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| 100 | |
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| 101 | # List of files that unambiguously indicates what distro we have |
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| 102 | my %single_rel_files = ( |
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| 103 | # Tested |
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| 104 | 'gentoo' => 'gentoo-release', # >= 1.6 |
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| 105 | 'debian' => 'debian_version', # >= 3.1 |
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| 106 | 'slackware' => 'slackware-version', # >= 10.2 |
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| 107 | 'mandriva' => 'mandriva-release', # >=2006.0 |
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| 108 | 'mandrakelinux' => 'mandrakelinux-release',# = 10.2 |
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| 109 | 'fedora' => 'fedora-release', # >= 4 |
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| 110 | 'vmware' => 'vmware-release', # >= 3 |
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| 111 | 'sles' => 'sles-release', # Doesn't exist as of 10 |
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| 112 | # Untested |
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| 113 | 'knoppix' => 'knoppix_version', # |
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| 114 | 'yellowdog' => 'yellowdog-release', # |
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| 115 | 'esmith' => 'e-smith-release', # |
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| 116 | 'turbolinux' => 'turbolinux-release', # |
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| 117 | 'blackcat' => 'blackcat-release', # |
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| 118 | 'aurox' => 'aurox-release', # |
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| 119 | 'annvix' => 'annvix-release', # |
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| 120 | 'cobalt' => 'cobalt-release', # |
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| 121 | 'redflag' => 'redflag-release', # |
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| 122 | 'ark' => 'ark-release', # |
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| 123 | 'pld' => 'pld-release', # |
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| 124 | 'nld' => 'nld-release', # |
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| 125 | 'lfs' => 'lfs-release', # |
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| 126 | 'mk' => 'mk-release', # |
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| 127 | 'conectiva' => 'conectiva-release', # |
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| 128 | 'immunix' => 'immunix-release', # |
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| 129 | 'tinysofa' => 'tinysofa-release', # |
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| 130 | 'trustix' => 'trustix-release', # |
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| 131 | 'adamantix' => 'adamantix_version', # |
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| 132 | 'yoper' => 'yoper-release', # |
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| 133 | 'arch' => 'arch-release', # |
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| 134 | 'libranet' => 'libranet_version', # |
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| 135 | 'valinux' => 'va-release', # |
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| 136 | 'yellowdog' => 'yellowdog-release', # |
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| 137 | 'ultrapenguin' => 'ultrapenguin-release', # |
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| 138 | ); |
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| 139 | |
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| 140 | # List of files that ambiguously indicates what distro we have |
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| 141 | my %ambiguous_rel_files = ( |
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| 142 | 'mandrake' => 'mandrake-release', # <= 10.1 |
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| 143 | 'suse' => 'SuSE-release', # >= 10.0 |
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| 144 | 'redhat' => 'redhat-release', # >= 7.3 |
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| 145 | 'lsb' => 'lsb-release', # ??? |
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| 146 | ); |
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| 147 | |
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| 148 | # Should have the same keys as the previous one. |
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| 149 | # If ambiguity, which other distributions should be checked |
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| 150 | my %distro_similar = ( |
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| 151 | 'mandrake' => ['mandrake', 'mandrakelinux'], |
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| 152 | 'suse' => ['suse', 'sles', 'opensuse'], |
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| 153 | 'redhat' => ['redhat', 'rhel', 'centos', 'mandrake', 'vmware'], |
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| 154 | 'lsb' => ['ubuntu', 'debian', 'lsb'], |
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| 155 | ); |
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| 156 | |
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| 157 | my %distro_match = ( |
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| 158 | # Tested |
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| 159 | 'gentoo' => '.* version (.+)', |
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| 160 | 'debian' => '(.+)', |
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| 161 | 'slackware' => 'S[^ ]* (.+)$', |
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| 162 | # There should be no ambiguity between potential ambiguous distro |
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| 163 | 'mandrakelinux' => 'Mandrakelinux release (.+) \(', |
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| 164 | 'mandrake' => 'Mandr[^ ]* release (.+) \(', |
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| 165 | 'mandriva' => 'Mandr[^ ]* [^ ]* release (.+) \(', |
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| 166 | 'fedora' => 'Fedora .*release (\d+) \(', |
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| 167 | 'vmware' => 'VMware ESX Server (\d+) \(', |
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| 168 | 'rhel' => 'Red Hat Enterprise Linux .*release (.+) \(', |
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| 169 | 'centos' => '.*CentOS .*release (.+) ', |
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| 170 | 'redhat' => 'Red Hat Linux release (.+) \(', |
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| 171 | 'sles' => 'SUSE .* Enterprise Server (\d+) \(', |
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| 172 | 'suse' => 'SUSE LINUX (\d.+) \(', |
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| 173 | 'opensuse' => 'openSUSE (\d.+) \(', |
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| 174 | 'lsb' => '.*[^Ubunt].*\nDISTRIB_RELEASE=(.+)', |
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| 175 | # Ubuntu 6.06 includes a /etc/debian_version file that needs to be |
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| 176 | # renamed to /etc/debian_version.sav as there is no way to distinguish |
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| 177 | # Ubuntu 6.06 from debian testing otherwise |
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| 178 | # Same is true for Ubuntu 7.10 :-( |
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| 179 | 'ubuntu' => '.*Ubuntu.*\nDISTRIB_RELEASE=(.+)', |
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| 180 | # Not tested |
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| 181 | 'arch' => '.* ([0-9.]+) .*', |
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| 182 | 'redflag' => 'Red Flag (?:Desktop|Linux) (?:release |\()(.*?)(?: \(.+)?\)', |
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| 183 | ); |
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| 184 | |
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| 185 | my $release; |
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| 186 | my $distro; |
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| 187 | |
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| 188 | # Begin to test presence of non-amiguous files |
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| 189 | # that way we reduce the choice |
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| 190 | my ($d,$r); |
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| 191 | while (($d,$r) = each %single_rel_files) { |
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| 192 | if (-f "$base/$r" && ! -l "$base/$r") { |
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| 193 | my $tmp=pb_get_content("$base/$r"); |
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| 194 | # Found the only possibility. |
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| 195 | # Try to get version and return |
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| 196 | if (defined ($distro_match{$d})) { |
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| 197 | ($release) = $tmp =~ m/$distro_match{$d}/m; |
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| 198 | } else { |
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| 199 | print STDERR "Unable to find $d version in $r\n"; |
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| 200 | print STDERR "Please report to the maintainer bruno_at_project-builder.org\n"; |
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| 201 | $release = "unknown"; |
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| 202 | } |
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| 203 | return($d,$release); |
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| 204 | } |
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| 205 | } |
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| 206 | |
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| 207 | while (($d,$r) = each %ambiguous_rel_files) { |
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| 208 | if (-f "$base/$r" && !-l "$base/$r"){ |
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| 209 | # Found one possibility. |
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| 210 | # Get all distros concerned by that file |
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| 211 | my $tmp=pb_get_content("$base/$r"); |
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| 212 | my $found = 0; |
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| 213 | my $ptr = $distro_similar{$d}; |
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| 214 | #print $LOG "amb: ".Dumper($ptr)."\n" if ($debug >= 1); |
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| 215 | $release = "unknown"; |
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| 216 | foreach my $dd (@$ptr) { |
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| 217 | #print $LOG "check $dd\n" if ($debug >= 1); |
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| 218 | # Try to check pattern |
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| 219 | if (defined $distro_match{$dd}) { |
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| 220 | #print $LOG "cmp: $distro_match{$dd} - vs - $tmp\n" if ($debug >= 1); |
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| 221 | ($release) = $tmp =~ m/$distro_match{$dd}/m; |
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| 222 | if ((defined $release) && ($release ne "unknown")) { |
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| 223 | $distro = $dd; |
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| 224 | $found = 1; |
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| 225 | last; |
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| 226 | } |
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| 227 | } |
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| 228 | } |
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| 229 | if ($found == 0) { |
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| 230 | print STDERR "Unable to find $d version in $r\n"; |
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| 231 | print STDERR "Please report to the maintainer bruno_at_project-builder.org\n"; |
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| 232 | $release = "unknown"; |
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| 233 | } else { |
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| 234 | return($distro,$release); |
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| 235 | } |
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| 236 | } |
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| 237 | } |
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| 238 | return("unknown","unknown"); |
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| 239 | } |
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| 240 | |
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| 241 | # get content of a file in a variable |
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| 242 | sub pb_get_content { |
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| 243 | |
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| 244 | my $file=shift; |
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| 245 | |
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| 246 | my $bkp = $/; |
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| 247 | undef $/; |
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| 248 | open(R,$file) || die "Unable to open $file: $!"; |
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| 249 | my $content=<R>; |
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| 250 | close(R); |
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| 251 | chomp($content); |
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| 252 | $/ = $bkp; |
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| 253 | return($content); |
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| 254 | } |
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| 255 | 1; |
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