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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