add code to delete old change pages

[ikiwiki.git] / IkiWiki / Plugin / recentchanges.pm

diff --git a/IkiWiki/Plugin/recentchanges.pm b/IkiWiki/Plugin/recentchanges.pm
index 2525785e7dea0d1d219c29ede9ed99f2550012b1..8f707afc4dba3dfd099369f0de8696249d89642a 100644 (file)
--- a/IkiWiki/Plugin/recentchanges.pm
+++ b/IkiWiki/Plugin/recentchanges.pm
@@ -41,7 +41,7 @@ sub store ($$) { #{{{
 
        # Optimisation to avoid re-writing pages. Assumes commits never
        # change (or that any changes are not important).
-       return if exists $pagesources{$page} && ! $config{rebuild};
+       return $page if exists $pagesources{$page} && ! $config{rebuild};
 
        # Limit pages to first 10, and add links to the changed pages.
        my $is_excess = exists $change->{pages}[10];
@@ -97,18 +97,28 @@ sub store ($$) { #{{{
        my $file=$page."._change";
        writefile($file, $config{srcdir}, $template->output);
        utime $change->{when}, $change->{when}, "$config{srcdir}/$file";
+
+       return $page;
 } #}}}
 
 sub updatechanges ($$) { #{{{
        my $pagespec=shift;
        my $subdir=shift;
        my @changes=@{shift()};
+       
+       my %seen;
 
+       # add new changes
        foreach my $change (@changes) {
-               store($change, $subdir);
+               $seen{store($change, $subdir)}=1;
        }
        
-       # TODO: delete old
+       # delete old and excess changes
+       foreach my $page (keys %pagesources) {
+               if ($page=~/^\Q$subdir\E\/change_/ && ! $seen{$page}) {
+                       unlink($config{srcdir}.'/'.$pagesources{$page});
+               }
+       }
 } #}}}
 
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