/usr/share/perl5/Rex/Hook.pm is in rex 1.4.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# (c) Jan Gehring <jan.gehring@gmail.com>
#
# vim: set ts=2 sw=2 tw=0:
# vim: set expandtab:
package Rex::Hook;
use strict;
use warnings;
our $VERSION = '1.4.1'; # VERSION
require Exporter;
use base qw(Exporter);
use vars qw(@EXPORT);
@EXPORT = qw(register_function_hooks);
my $__hooks = {};
sub register_function_hooks {
my ($hooks) = @_;
for my $state ( keys %{$hooks} ) {
for my $func ( keys %{ $hooks->{$state} } ) {
if ( !exists $__hooks->{$state}->{$func} ) {
$__hooks->{$state}->{$func} = [];
}
push @{ $__hooks->{$state}->{$func} }, $hooks->{$state}->{$func};
}
}
}
sub run_hook {
my ( $command, $state, @args ) = @_;
if ( !exists $__hooks->{$state}->{$command} ) {
return;
}
my $func_arr = $__hooks->{$state}->{$command};
for my $func ( @{$func_arr} ) {
@args = $func->(@args);
}
return @args;
}
1;
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