Add an append (+=) variable operator:

The append variable operator can be used to append something to
a variable defined in a parent scope, containing either a string
or an array.

The main use is to append array elements in classes to a variable
globally defined in a node.

Example:
$ssh_users = ['brice', 'admin1']

class backup {
 $ssh_users += ['backup_operator']
 ...
}

Signed-off-by: Brice Figureau <brice-puppet@daysofwonder.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/puppet/parser/ast/vardef.rb b/lib/puppet/parser/ast/vardef.rb
index ee79159d7..a3094ac6e 100644
--- a/lib/puppet/parser/ast/vardef.rb
+++ b/lib/puppet/parser/ast/vardef.rb
@@ -3,7 +3,7 @@ require 'puppet/parser/ast/branch'
 class Puppet::Parser::AST
     # Define a variable.  Stores the value in the current scope.
     class VarDef < AST::Branch
-        attr_accessor :name, :value
+        attr_accessor :name, :value, :append
 
         @settor = true
 
@@ -14,7 +14,7 @@ class Puppet::Parser::AST
             value = @value.safeevaluate(scope)
 
             parsewrap do
-                scope.setvar(name,value, @file, @line)
+                scope.setvar(name,value, @file, @line, @append)
             end
         end