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package Sys::CmdMod::Plugin::Eatmydata; |
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{ |
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$Sys::CmdMod::Plugin::Eatmydata::VERSION = '0.18'; |
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} |
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BEGIN { |
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$Sys::CmdMod::Plugin::Eatmydata::AUTHORITY = 'cpan:TEX'; |
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} |
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# ABSTRACT: CmdMod plugin for eatmydata |
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use 5.010_000; |
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use mro 'c3'; |
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use feature ':5.10'; |
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use Moose; |
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use namespace::autoclean; |
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# use IO::Handle; |
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# use autodie; |
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# use MooseX::Params::Validate; |
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use Sys::ForkAsync; |
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extends 'Sys::CmdMod::Plugin'; |
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has '_init_ok' => ( |
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'is' => 'rw', |
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'isa' => 'Bool', |
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'default' => 0, |
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); |
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sub _init_priority { return 0; } |
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sub BUILD { |
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my $self = shift; |
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if ( -x $self->binary() ) { |
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return 1; |
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} |
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else { |
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die( 'Could not find eatmydata executable at ' . $self->binary() ); |
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} |
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} |
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sub _init_binary { |
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my $self = shift; |
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return $self->_find_binary('eatmydata'); |
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} |
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sub cmd { |
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my $self = shift; |
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my $cmd = shift; |
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# we only want sync to be called later if eatmydata was actually used ... |
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$self->_init_ok(1); |
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return $self->binary() . q{ } . $cmd; |
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} |
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sub DEMOLISH { |
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my $self = shift; |
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# dirty hack, as long as Proc::ProcessTable is broken ... |
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my $syncs_running = qx(ps x | grep sys-cmdmod-eatmydata-sync | grep -v grep | wc -l); |
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chomp($syncs_running); |
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# run 'sync' in background |
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if ( $self->_init_ok() && !$syncs_running ) { |
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#say 'Scheduling a background sync ...'; |
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my $FA = Sys::ForkAsync::->new({ |
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'setsid' => 1, |
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'name' => 'sys-cmdmod-eatmydata-sync', |
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'redirect_output' => 1, |
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}); |
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my $sub = sub { |
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sleep 1; |
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system('sync'); |
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}; |
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$FA->dispatch($sub); |
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} else { |
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#say 'NOT scheduling a background sync. Already one running ...'; |
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} |
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return 1; |
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} |
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no Moose; |
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__PACKAGE__->meta->make_immutable; |
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1; |
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__END__ |
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=pod |
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=encoding utf-8 |
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=head1 NAME |
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Sys::CmdMod::Plugin::Eatmydata - CmdMod plugin for eatmydata |
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=head1 METHODS |
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=head2 BUILD |
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Detect binary and initialize this module. |
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108
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=head2 DEMOLISH |
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If this module was successfully initialized in BUILD this will run an async 'sync'. |
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=head2 cmd |
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Return this modules command prefix. |
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=head1 NAME |
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Sys::CmdMod::Plugin::Eatmydata - Abstract base class for command modifier |
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120
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=head1 AUTHOR |
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Dominik Schulz <dominik.schulz@gauner.org> |
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2012 by Dominik Schulz. |
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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=cut |