* cgi hooks are now run before ikiwiki state is loaded.

* This allows locking the wiki before loading state, which avoids some
  tricky locking code when saving a web edit.

IkiWiki/CGI.pm

@@ -539,10 +539,6 @@ sub cgi_editpage ($$) { #{{{
 		# may have been committed while the post-commit hook was
 		# disabled.
 		require IkiWiki::Render;
-		# Reload index, since the first time it's loaded is before
-		# the wiki is locked, and things may have changed in the
-		# meantime.
-		loadindex();
 		refresh();
 		saveindex();
 
@@ -616,6 +612,7 @@ sub cgi (;$$) { #{{{
 	
 	# Need to lock the wiki before getting a session.
 	lockwiki();
+	loadindex();
 	
 	if (! $session) {
 		$session=cgi_getsession($q);

debian/changelog

@@ -8,6 +8,9 @@ ikiwiki (2.31) UNRELEASED; urgency=low
     too complex to do.
   * aggregate: Forking a child broke the one state that mattered: Forcing
     the aggregating page to be rebuilt. Fix this.
+  * cgi hooks are now run before ikiwiki state is loaded.
+  * This allows locking the wiki before loading state, which avoids some
+    tricky locking code when saving a web edit.
 
  -- Joey Hess <joeyh@debian.org>  Sat, 02 Feb 2008 23:36:31 -0500
 

doc/plugins/write.mdwn

@@ -222,8 +222,11 @@ source files that were rendered.
 
 Use this to hook into ikiwiki's cgi script. Each registered cgi hook is
 called in turn, and passed a CGI object. The hook should examine the
-parameters, and if it will handle this CGI request, output a page (including the http headers) and
-terminate the program.
+parameters, and if it will handle this CGI request, output a page
+(including the http headers) and terminate the program.
+
+Note that cgi hooks are called as early as possible, before any ikiwiki
+state is loaded, and with no session information.
 
 ### auth
 

ikiwiki.in

@@ -121,7 +121,6 @@ sub main () { #{{{
 		gen_wrapper();
 	}
 	elsif ($config{cgi}) {
-		loadindex();
 		require IkiWiki::CGI;
 		cgi();
 	}