Adding a method to Checksums to extract the sum type

Signed-off-by: Luke Kanies <luke@madstop.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/puppet/util/checksums.rb b/lib/puppet/util/checksums.rb
index 15d2eadd1..4b51789f6 100644
--- a/lib/puppet/util/checksums.rb
+++ b/lib/puppet/util/checksums.rb
@@ -1,6 +1,15 @@
 # A stand-alone module for calculating checksums
 # in a generic way.
 module Puppet::Util::Checksums
+    # Strip the checksum type from an existing checksum
+    def sumtype(checksum)
+        if checksum =~ /^\{(\w+)\}/
+            return $1
+        else
+            return nil
+        end
+    end
+
     # Calculate a checksum using Digest::MD5.
     def md5(content)
         require 'digest/md5'