62 lines
2.1 KiB
Perl
Executable File
62 lines
2.1 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# Copyright (c) 2009-2016 Andreas Beckmann <anbe@debian.org>
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# 2010-2016 Russ Allbery <rra@debian.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this script. If not, see <http://www.gnu.org/licenses/>.
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#
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# This program comes from:
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# https://anonscm.debian.org/viewvc/pkg-nvidia/packages/nvidia-graphics-drivers/trunk/debian/module/debian/kernel-version?view=markup
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# The original copyright and license (GPL2+) can be found at:
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# https://anonscm.debian.org/viewvc/pkg-nvidia/packages/nvidia-graphics-drivers/trunk/debian/copyright?view=markup
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#
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# Extract the kernel version from the kernel version header file. Takes the
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# kernel source path as its only argument. If the version header couldn't be
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# found, print nothing and exit quietly.
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use warnings;
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my $ksrc = shift;
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unless ($ksrc && (-f "$ksrc/include/linux/version.h" || -f "$ksrc/include/generated/uapi/linux/version.h")) {
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exit 0;
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}
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my $found = 0;
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my $line;
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if (open (VERSION, "$ksrc/include/linux/version.h")) {
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if (defined(VERSION) && ($line = <VERSION>)) {
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if ($line =~ /"(.+)"/) {
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print "$1\n";
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$found = 1;
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}
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}
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}
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exit 0 if $found;
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if (open (VERSION, "$ksrc/include/generated/utsrelease.h")) {
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if (defined(VERSION) && ($line = <VERSION>)) {
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if ($line =~ /UTS_RELEASE *"(.+)"/) {
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print "$1\n";
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$found = 1;
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}
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}
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}
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exit 0 if $found;
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# kernel.release is no longer useful since 3.1.0
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unless (open (VERSION, "$ksrc/include/config/kernel.release")) {
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exit 0;
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}
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if (defined(VERSION) && ($line = <VERSION>)) {
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print "$line";
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}
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exit 0;
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