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[git.ikiwiki.info.git] / IkiWiki / Plugin / transient.pm

diff --git a/IkiWiki/Plugin/transient.pm b/IkiWiki/Plugin/transient.pm
index 5764467ab0092827651f65b0485a96862e82c4ed..d4eb005ea2485374410396b5323c3db0c6e6b191 100644 (file)
--- a/IkiWiki/Plugin/transient.pm
+++ b/IkiWiki/Plugin/transient.pm
@@ -8,6 +8,7 @@ use IkiWiki 3.00;
 sub import {
        hook(type => "getsetup", id => "transient",  call => \&getsetup);
        hook(type => "checkconfig", id => "transient", call => \&checkconfig);
 sub import {
        hook(type => "getsetup", id => "transient",  call => \&getsetup);
        hook(type => "checkconfig", id => "transient", call => \&checkconfig);

+       hook(type => "rendered", id => "transient", call => \&rendered);

 }
 
 sub getsetup () {
 }
 
 sub getsetup () {


@@ -24,10 +25,27 @@ sub getsetup () {
 our $transientdir;
 
 sub checkconfig () {
 our $transientdir;
 
 sub checkconfig () {

-       eval q{use Cwd 'abs_path'};
-       error($@) if $@;
-       $transientdir = abs_path($config{wikistatedir})."/transient";
-       add_underlay($transientdir);
+       if (defined $config{wikistatedir}) {
+               $transientdir = $config{wikistatedir}."/transient";
+               # add_underlay treats relative underlays as relative to the installed
+               # location, not the cwd. That's not what we want here.
+               IkiWiki::add_literal_underlay($transientdir);
+       }
+}
+
+sub rendered (@) {
+       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, $transientdir);
+               }
+       }

 }
 
 1;
 }
 
 1;