Item13491: Configure extension installer can crash if no plugins in the extension.

Priority: Normal
Current State: Closed
Released In: 2.0.0
Target Release: n/a

Applies To: Engine
Component: Configure
Branches: master

Reported By: GeorgeClark
Waiting For:
Last Change By: GeorgeClark

couldn't parse tools/configure : Can't use an undefined value as a HASH reference at /var/www/data/Foswiki-2.0.0-RC1/lib/Foswiki/Configure/Package.pm line 501.
couldn't do tools/configure: Inappropriate ioctl for device at /var/www/data/Foswiki-2.0.0-RC1/tools/extender.pl line 228.
couldn't run tools/configure at /var/www/data/Foswiki-2.0.0-RC1/tools/extender.pl line 229.

diff --git a/core/lib/Foswiki/Configure/Package.pm b/core/lib/Foswiki/Configure/Package.pm
index f2926e8..e11603b 100644
--- a/core/lib/Foswiki/Configure/Package.pm
+++ b/core/lib/Foswiki/Configure/Package.pm
@@ -498,7 +498,7 @@ HERE
         $reporter->WARN(
 "Don't forget to save your configuration to complete installation of "
               . join( ', ', keys %plugins ) )
-          if ( scalar( keys %{ $reporter->changes() } ) );
+          if ( $reporter->changes() && scalar( keys %{ $reporter->changes() } ) );
     }
 
     $reporter->NOTE( "> Installation "