Add unique index on fingerprint field

Author: root

Diff for: db/migrate/20150604051500_add_unique_index_to_fingerprint.rb

@@ -0,0 +1,11 @@
+class AddUniqueIndexToFingerprint < ActiveRecord::Migration
+
+  def self.up
+    add_index :gitolite_public_keys, :fingerprint, unique: true
+  end
+
+  def self.down
+    remove_index :gitolite_public_keys, :fingerprint
+  end
+
+end