* external: Add getargv and setargv methods to allow access to ikiwiki's

  @ARGV.

4 files changed, 30 insertions, 3 deletions

diff --git a/IkiWiki/Plugin/external.pm b/IkiWiki/Plugin/external.pm
index 2650a8cd1..300dee7ed 100644
--- a/IkiWiki/Plugin/external.pm
+++ b/IkiWiki/Plugin/external.pm
@@ -153,6 +153,18 @@ sub setstate ($$$$;@) { #{{{
 	return $IkiWiki::pagestate{$page}{$id}{$key}=@_;
 } #}}}
 
+sub getargv ($) { #{{{
+	my $plugin=shift;
+
+	return @ARGV;
+} #}}}
+
+sub setargv ($@) { #{{{
+	my $plugin=shift;
+
+	@ARGV=@_;
+} #}}}
+
 sub inject ($@) { #{{{
 	# Bind a given perl function name to a particular RPC request.
 	my $plugin=shift;
diff --git a/debian/changelog b/debian/changelog
index 4db324aca..f85517c04 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -42,6 +42,8 @@ ikiwiki (2.41) UNRELEASED; urgency=low
   * French translation update. Closes: #471010
   * external: Fix support of XML::RPC::fault.
   * htmltidy: Pass --markup yes, in case tidy's config file disabled it.
+  * external: Add getargv and setargv methods to allow access to ikiwiki's
+    @ARGV.
 
  -- martin f. krafft <madduck@debian.org>  Sun, 02 Mar 2008 17:46:38 +0100
 
diff --git a/doc/bugs/external_plugins_cannot_access_ARGV_needed_for_getopt.mdwn b/doc/bugs/external_plugins_cannot_access_ARGV_needed_for_getopt.mdwn
index cc82d1cd7..be7f16a79 100644
--- a/doc/bugs/external_plugins_cannot_access_ARGV_needed_for_getopt.mdwn
+++ b/doc/bugs/external_plugins_cannot_access_ARGV_needed_for_getopt.mdwn
@@ -1 +1,14 @@
 The `getopt` hook expects plugins to modify `@ARGV`. This is not exported via xml-rpc and thus external plugins cannot do anything. --[[madduck]]
+
+> I can think of two interfaces to handle this.
+> 
+> 1. Pass @ARGV to the hook, and remove any values the hook returns from @ARGV.
+> 2. Provide an XML-RPC interface for setting and getting ikiwiki's @ARGV.
+> 
+> The first is simpler, but requires keeping track of which options to
+> remove, which could be a pain, and probably precludes using regular
+> getopt libraries to process options. It also could theoretically cause
+> problems for existing perl getopt hooks.
+> 
+> The second should allow using regular getopt libraries, but does bloat
+> the RPC interface. Oh well, guess that's ok. [[done]] --[[Joey]]
diff --git a/doc/plugins/write/external.mdwn b/doc/plugins/write/external.mdwn
index fd343bda6..2ee841e61 100644
--- a/doc/plugins/write/external.mdwn
+++ b/doc/plugins/write/external.mdwn
@@ -53,6 +53,9 @@ it, external plugins can use the `getstate` and `setstate` RPCs. To access
 stored state, call `getstate("page", "id", "key")`, and to store state,
 call `setstate("page", "id", "key", "value")`.
 
+To access ikiwiki's ARGV, call `getargv()`. To change its ARGV, call
+`setargv(value)`.
+
 ## Notes on function parameters
 
 The [[plugin_interface_documentation|write]] talks about functions that take
@@ -99,9 +102,6 @@ with functions that take or return such references. That means you can't
 FormBuilder perl objects), or use it to call `template()` (which returns a
 perl HTML::Template object).
 
-Also. the `getopt` hook doesn't work, as ARGV is not available to the external
-plugin.
-
 ## Performance issues
 
 Since each external plugin is a separate process, when ikiwiki is