Note: This patch adds items to a map while it is in a foreach loop over a sorted list of keys from that same map. Changing a map while iterating through it is normally problematic. I'm assuming the sort insulates the code from this - I do not need to iterate over any of the newly added elements.
diff --git a/IkiWiki/Plugin/map.pm b/IkiWiki/Plugin/map.pm
- index 5b6a843..142073d 100644
+ index 5b6a843..16de45e 100644
--- a/IkiWiki/Plugin/map.pm
+++ b/IkiWiki/Plugin/map.pm
- @@ -67,6 +67,37 @@ sub preprocess (@) { #{{{
+ @@ -67,6 +67,39 @@ sub preprocess (@) { #{{{
# are removed.
add_depends($params{page}, join(" or ", keys %mapitems));
+ # Include all the parent directories in the map
+ my $lastbase="";
+ + my $commonbase = "";
+ + $commonbase = $common_prefix if defined $common_prefix && length $common_prefix;
+ foreach my $item (sort keys %mapitems) {
+ $item=~s/^\Q$common_prefix\E\///
+ if defined $common_prefix && length $common_prefix;
+ # find the common dir
+ my @a=split(/\//, $itembase);
+ my @b=split(/\//, $lastbase);
- + my $common_dir="";
+ + my $common_dir=$commonbase;
+ while (@a && @b && $a[0] eq $b[0]) {
+ if (length $common_dir) {
+ $common_dir.="/";