websetup: Avoid a crash when a new array setup item has been added in a new ikiwiki...

[git.ikiwiki.info.git] / IkiWiki / Plugin / external.pm

diff --git a/IkiWiki/Plugin/external.pm b/IkiWiki/Plugin/external.pm
index 287e118f143b3474d5b3fb6d96b9df14504ffb23..066f15cf1b2f12ef4a027e5c9842d1b859358f23 100644 (file)
--- a/IkiWiki/Plugin/external.pm
+++ b/IkiWiki/Plugin/external.pm
@@ -6,7 +6,7 @@ package IkiWiki::Plugin::external;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
 use RPC::XML;
 use RPC::XML::Parser;
 use IPC::Open2;
@@ -14,7 +14,7 @@ use IO::Handle;
 
 my %plugins;
 
-sub import { #{{{
+sub import {
        my $self=shift;
        my $plugin=shift;
        return unless defined $plugin;
@@ -32,17 +32,17 @@ sub import { #{{{
        $RPC::XML::ENCODING="utf-8";
 
        rpc_call($plugins{$plugin}, "import");
-} #}}}
+}
 
-sub rpc_write ($$) { #{{{
+sub rpc_write ($$) {
        my $fh=shift;
        my $string=shift;
 
        $fh->print($string."\n");
        $fh->flush;
-} #}}}
+}
 
-sub rpc_call ($$;@) { #{{{
+sub rpc_call ($$;@) {
        my $plugin=shift;
        my $command=shift;
 
@@ -131,12 +131,12 @@ sub rpc_call ($$;@) { #{{{
        }
 
        return undef;
-} #}}}
+}
 
 package IkiWiki::RPC::XML;
 use Memoize;
 
-sub getvar ($$$) { #{{{
+sub getvar ($$$) {
        my $plugin=shift;
        my $varname="IkiWiki::".shift;
        my $key=shift;
@@ -145,9 +145,9 @@ sub getvar ($$$) { #{{{
        my $ret=$varname->{$key};
        use strict 'refs';
        return $ret;
-} #}}}
+}
 
-sub setvar ($$$;@) { #{{{
+sub setvar ($$$;@) {
        my $plugin=shift;
        my $varname="IkiWiki::".shift;
        my $key=shift;
@@ -157,18 +157,18 @@ sub setvar ($$$;@) { #{{{
        my $ret=$varname->{$key}=$value;
        use strict 'refs';
        return $ret;
-} #}}}
+}
 
-sub getstate ($$$$) { #{{{
+sub getstate ($$$$) {
        my $plugin=shift;
        my $page=shift;
        my $id=shift;
        my $key=shift;
 
        return $IkiWiki::pagestate{$page}{$id}{$key};
-} #}}}
+}
 
-sub setstate ($$$$;@) { #{{{
+sub setstate ($$$$;@) {
        my $plugin=shift;
        my $page=shift;
        my $id=shift;
@@ -176,22 +176,22 @@ sub setstate ($$$$;@) { #{{{
        my $value=shift;
 
        return $IkiWiki::pagestate{$page}{$id}{$key}=$value;
-} #}}}
+}
 
-sub getargv ($) { #{{{
+sub getargv ($) {
        my $plugin=shift;
 
        return \@ARGV;
-} #}}}
+}
 
-sub setargv ($@) { #{{{
+sub setargv ($@) {
        my $plugin=shift;
        my $array=shift;
 
        @ARGV=@$array;
-} #}}}
+}
 
-sub inject ($@) { #{{{
+sub inject ($@) {
        # Bind a given perl function name to a particular RPC request.
        my $plugin=shift;
        my %params=@_;
@@ -202,14 +202,20 @@ sub inject ($@) { #{{{
        my $sub = sub {
                IkiWiki::Plugin::external::rpc_call($plugin, $params{call}, @_)
        };
+       $sub=memoize($sub) if $params{memoize};
+
+       # This will add it to the symbol table even if not present.
        no warnings;
        eval qq{*$params{name}=\$sub};
        use warnings;
-       memoize($params{name}) if $params{memoize};
+
+       # This will ensure that everywhere it was exported to sees
+       # the injected version.
+       IkiWiki::inject(name => $params{name}, call => $sub);
        return 1;
-} #}}}
+}
 
-sub hook ($@) { #{{{
+sub hook ($@) {
        # the call parameter is a function name to call, since XML RPC
        # cannot pass a function reference
        my $plugin=shift;
@@ -221,13 +227,13 @@ sub hook ($@) { #{{{
        IkiWiki::hook(%params, call => sub {
                IkiWiki::Plugin::external::rpc_call($plugin, $callback, @_);
        });
-} #}}}
+}
 
-sub pagespec_match ($@) { #{{{
+sub pagespec_match ($@) {
        # convert pagespec_match's return object into a XML RPC boolean
        my $plugin=shift;
 
        return RPC::XML::boolean->new(0 + IkiWiki::pagespec_march(@_));
-} #}}}
+}
 
 1