+sub change (@) {
+ foreach my $file (@_) {
+ # If the corresponding file exists in the transient underlay
+ # and isn't actually being used, we can get rid of it.
+ # Assume that the file that just changed has the same extension
+ # as the obsolete transient version: this'll be true for web
+ # edits, and avoids invoking File::Find.
+ my $casualty = "$transientdir/$file";
+ if (srcfile($file) ne $casualty && -e $casualty) {
+ debug(sprintf(gettext("removing transient version of %s"), $file));
+ IkiWiki::prune($casualty);
+ }
+ }
+}
+