Mark custom manifests as deprecated

2 files changed, 2 insertions, 1 deletions

diff --git a/lib/chef/knife/core/subcommand_loader.rb b/lib/chef/knife/core/subcommand_loader.rb
index 2b45d8b9ce..1d359ffd53 100644
--- a/lib/chef/knife/core/subcommand_loader.rb
+++ b/lib/chef/knife/core/subcommand_loader.rb
@@ -51,7 +51,7 @@ class Chef
           Chef::Log.debug("Using autogenerated hashed command manifest #{plugin_manifest_path}")
           Knife::SubcommandLoader::HashedCommandLoader.new(chef_config_dir, plugin_manifest)
         elsif custom_manifest?
-          Chef::Log.debug("Using custom manifest #{plugin_manifest_path}")
+          Chef::Log.deprecation("Using custom manifest #{plugin_manifest_path} is deprecated.  Please use a `knife rehash` autogenerated manifest instead.")
           Knife::SubcommandLoader::CustomManifestLoader.new(chef_config_dir, plugin_manifest)
         else
           Knife::SubcommandLoader::GemGlobLoader.new(chef_config_dir)
diff --git a/spec/unit/knife/core/subcommand_loader_spec.rb b/spec/unit/knife/core/subcommand_loader_spec.rb
index 126a5bd013..2386465c75 100644
--- a/spec/unit/knife/core/subcommand_loader_spec.rb
+++ b/spec/unit/knife/core/subcommand_loader_spec.rb
@@ -45,6 +45,7 @@ describe Chef::Knife::SubcommandLoader do
       end
 
       it "creates a CustomManifestLoader with then manifest has a key other than _autogenerated_command_paths" do
+        Chef::Config[:treat_deprecation_warnings_as_errors] = false
         allow(File).to receive(:read).with(File.join(home, '.chef', 'plugin_manifest.json')).and_return("{ \"plugins\": {}}")
         expect(Chef::Knife::SubcommandLoader.for_config(config_dir)).to be_a Chef::Knife::SubcommandLoader::CustomManifestLoader
       end