doc: allow NEWS file to be built without Plack::Util

Plack pulls in a lot of dependencies which can be time-consuming
to install.  It should not be necessary for somebody who just
wants to run -mda/-watch and -nntpd and forego WWW.

diff --git a/Documentation/mknews.perl b/Documentation/mknews.perl
index 5ede36964287ce2cfb673f54f54ccf36cfcd298a..3efabdb592426799a23777a2eb3fe64f0c6699dd 100755 (executable)
--- a/Documentation/mknews.perl
+++ b/Documentation/mknews.perl
@@ -7,9 +7,9 @@
 use strict;
 use PublicInbox::MIME;
 use PublicInbox::View;
-use Plack::Util;
 use PublicInbox::MsgTime qw(msg_datestamp);
 use PublicInbox::MID qw(mids mid_escape);
+END { $INC{'Plack/Util.pm'} and warn "$0 should not have loaded Plack::Util\n" }
 my $dst = shift @ARGV or die "Usage: $0 <NEWS|NEWS.atom|NEWS.html>";
 
 # newest to oldest
@@ -34,11 +34,11 @@ if ($dst eq 'NEWS') {
        }
 } elsif ($dst eq 'NEWS.atom' || $dst eq 'NEWS.html') {
        open $out, '>', $tmp or die;
-       my $ibx = Plack::Util::inline_object(
-               description => sub { 'public-inbox releases' },
-               over => sub { undef },
-               search => sub { 1 }, # for WwwStream:_html_top
-               base_url => sub { "$base_url/" },
+       my $ibx = My::MockObject->new(
+               description => 'public-inbox releases',
+               over => undef,
+               search => 1, # for WwwStream:_html_top
+               base_url => "$base_url/",
        );
        $ibx->{-primary_address} = $addr;
        my $ctx = {
@@ -102,7 +102,7 @@ sub mime2html {
 sub html_start {
        my ($out, $ctx) = @_;
        require PublicInbox::WwwStream;
-       $ctx->{www} = Plack::Util::inline_object(style => sub { '' });
+       $ctx->{www} = My::MockObject->new(style => '');
        my $www_stream = PublicInbox::WwwStream->new($ctx);
        print $out $www_stream->_html_top, '<pre>' or die;
 }
@@ -144,3 +144,19 @@ sub mime2atom  {
                print $out $str or die;
        }
 }
+package My::MockObject;
+use strict;
+our $AUTOLOAD;
+
+sub new {
+       my ($class, %values) = @_;
+       bless \%values, $class;
+}
+
+sub AUTOLOAD {
+       my ($self) = @_;
+       my $attr = (split(/::/, $AUTOLOAD))[-1];
+       $self->{$attr};
+}
+
+1;