1Dist::Zilla::Role::FileUWsaetrchCeorn(t3r)ibuted Perl DoDciusmte:n:tZaitliloan::Role::FileWatcher(3)
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NAME

6       Dist::Zilla::Role::FileWatcher - Receive notification when something
7       changes a file's contents
8

VERSION

10       version 0.006
11

SYNOPSIS

13           package Dist::Zilla::Plugin::MyPlugin;
14           use Moose;
15           with 'Dist::Zilla::Role::SomeRole', 'Dist::Zilla::Role::FileWatcher';
16
17           sub some_phase
18           {
19               my $self = shift;
20
21               my (file) = grep { $_->name eq 'some_name' } @{$self->zilla->files};
22               # ... do something with this file ...
23
24               $self->lock_file($file, 'KEEP OUT!');
25
26               # or:
27
28               $self->watch_file(
29                   $file,
30                   sub {
31                       my ($plugin, $file) = @_;
32                       ... do something with the file object ...
33                   },
34               );
35           }
36

DESCRIPTION

38       This is a role for Dist::Zilla plugins which gives you a mechanism for
39       detecting and acting on files changing their content. This is useful if
40       your plugin performs an action based on a file's content (perhaps
41       copying that content to another file), and then later in the build
42       process, that source file's content is later modified.
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METHODS

45       This role adds the following methods to your plugin class:
46
47   "watch_file($file, $subref)"
48       This method takes two arguments: the $file object to watch, and a
49       subroutine which is invoked when the file's contents change. It is
50       called as a method on your plugin, and is passed one additional
51       argument: the $file object that changed.
52
53   "lock_file($file, $message?)"
54       This method takes the $file object to watch, and an optional message
55       string; when the file is modified after it is locked, the build dies.
56

SUPPORT

58       Bugs may be submitted through the RT bug tracker
59       <https://rt.cpan.org/Public/Dist/Display.html?Name=Dist-Zilla-Role-
60       FileWatcher> (or bug-Dist-Zilla-Role-FileWatcher@rt.cpan.org
61       <mailto:bug-Dist-Zilla-Role-FileWatcher@rt.cpan.org>).  I am also
62       usually active on irc, as 'ether' at "irc.perl.org".
63

SEE ALSO

65       ·   Dist::Zilla::Role::File::ChangeNotification - in this distribution,
66           the underlying implementation for watching the file
67
68       ·   Dist::Zilla::File::OnDisk
69
70       ·   Dist::Zilla::File::InMemory
71

AUTHOR

73       Karen Etheridge <ether@cpan.org>
74

CONTRIBUTOR

76       Yanick Champoux <yanick@babyl.dyndns.org>
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79       This software is copyright (c) 2013 by Karen Etheridge.
80
81       This is free software; you can redistribute it and/or modify it under
82       the same terms as the Perl 5 programming language system itself.
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86perl v5.28.0                      2015-06-27 Dist::Zilla::Role::FileWatcher(3)
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