1 files changed, 60 insertions, 0 deletions
diff --git a/knife/lib/chef/knife/role_env_run_list_replace.rb b/knife/lib/chef/knife/role_env_run_list_replace.rb
new file mode 100644
index 0000000000..923a31331f
--- /dev/null
+++ b/knife/lib/chef/knife/role_env_run_list_replace.rb
@@ -0,0 +1,60 @@
+#
+# Author:: Adam Jacob (<adam@chef.io>)
+# Author:: William Albenzi (<walbenzi@gmail.com>)
+# Copyright:: Copyright (c) Chef Software Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require_relative "../knife"
+
+class Chef
+  class Knife
+    class RoleEnvRunListReplace < Knife
+
+      deps do
+        require "chef/role" unless defined?(Chef::Role)
+        require "chef/json_compat" unless defined?(Chef::JSONCompat)
+      end
+
+      banner "knife role env_run_list replace [ROLE] [ENVIRONMENT] [OLD_ENTRY] [NEW_ENTRY] (options)"
+
+      def replace_in_env_run_list(role, environment, old_entry, new_entry)
+        nlist = []
+        role.run_list_for(environment).each do |entry|
+          if entry == old_entry
+            nlist << new_entry
+          else
+            nlist << entry
+          end
+        end
+        role.env_run_lists_add(environment => nlist)
+      end
+
+      def run
+        role = Chef::Role.load(@name_args[0])
+        role.name(@name_args[0])
+        environment = @name_args[1]
+        old_entry = @name_args[2]
+        new_entry = @name_args[3]
+
+        replace_in_env_run_list(role, environment, old_entry, new_entry)
+        role.save
+        config[:env_run_list] = true
+        output(format_for_display(role))
+      end
+
+    end
+  end
+end