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43 lines
1022 B
Perl
43 lines
1022 B
Perl
#!/usr/bin/perl
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use 5.010;
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use utf8;
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use strict;
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use warnings;
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use Carp;
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use Sort::Versions qw(versioncmp);
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my $color_header = "#ffcb48";
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my $color_ok = "#78af78";
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my $color_warn = "#ffff00";
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sub booted_kernel {
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my $booted_kernel = `uname -r`;
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chomp($booted_kernel);
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return $booted_kernel;
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}
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sub installed_kernels {
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my $installed_kernels = `rpm --query --queryformat='%{VERSION}-%{RELEASE}.%{ARCH}\n' kernel`;
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chomp($installed_kernels);
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my @installed_kernels = split /\n/sx, $installed_kernels;
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return @installed_kernels;
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}
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sub latest_installed_kernel {
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my @installed_kernels = sort { versioncmp($b, $a) } installed_kernels();
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my $latest_installed_kernel = $installed_kernels[0];
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return $latest_installed_kernel;
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}
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my $booted_kernel = booted_kernel();
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my $latest_installed_kernel = latest_installed_kernel();
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if ($booted_kernel ne $latest_installed_kernel) {
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say "\${color $color_header}KERNEL\$color";
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say " \${color $color_warn}REBOOT INTO $latest_installed_kernel\$color";
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}
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