Fix #587

Author: hugocorbucci

lib/thor/actions/file_manipulation.rb

@@ -23,14 +23,14 @@ def copy_file(source, *args, &block)
       destination = args.first || source
       source = File.expand_path(find_in_source_paths(source.to_s))
 
-      create_file destination, nil, config do
+      resulting_destination = create_file destination, nil, config do
         content = File.binread(source)
         content = yield(content) if block
         content
       end
       if config[:mode] == :preserve
         mode = File.stat(source).mode
-        chmod(destination, mode, config)
+        chmod(resulting_destination, mode, config)
       end
     end
 

spec/actions/file_manipulation_spec.rb

@@ -76,6 +76,14 @@ def file
       expect(File.stat(original).mode).to eq(File.stat(copy).mode)
     end
 
+    it "copies file from source to default destination and preserves file mode for templated filenames" do
+      expect(runner).to receive(:filename).and_return("app")
+      action :copy_file, "preserve/%filename%.sh", :mode => :preserve
+      original = File.join(source_root, "preserve/%filename%.sh")
+      copy = File.join(destination_root, "preserve/app.sh")
+      expect(File.stat(original).mode).to eq(File.stat(copy).mode)
+    end
+
     it "logs status" do
       expect(action(:copy_file, "command.thor")).to eq("      create  command.thor\n")
     end

spec/fixtures/preserve/%filename%.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+exit 0