- Fix example copy

lib/runfile/initiator.rb

@@ -46,10 +46,10 @@ def list_examples
 
     def create_example(name)
       dir = "#{examples_dir}/#{name}"
-      files = Dir["#{dir}/{runfile,*.runfile,*.rb}"]
-      raise UserError, "No such example: nu`#{name}`" if files.empty?
+      raise UserError, "No such example: nu`#{name}`" unless Dir.exist? dir
 
-      files.each { |file| safe_copy file }
+      files = Dir.chdir(dir) { Dir["**/{runfile,*.runfile,*.rb}"] }
+      files.each { |file| safe_copy dir, file }
       say_tip
     end
 
@@ -59,14 +59,17 @@ def say_tip
       say 'Delete the copied files to go back to the initial state'
     end
 
-    def safe_copy(file)
-      target = File.basename file
-      # This will never happen since if there is a runfile, the initiator will
-      # not be called. Nonetheless, keep it for safety
-      return if File.exist? target
+    def safe_copy(source_dir, target_file)
+      source_file = "#{source_dir}/#{target_file}"
 
-      FileUtils.cp file, '.'
-      say "Copied g`#{target}`"
+      if File.exist? target_file
+        say "r`Skipped  #{target_file}` (exists)"
+        return
+      end
+
+      FileUtils.mkdir_p File.dirname(target_file)
+      FileUtils.cp source_file, target_file
+      say "Copied   g`#{target_file}`"
     end
 
     def examples

spec/approvals/initiator/example-minimal → spec/approvals/initiator/example-import

@@ -1,4 +1,6 @@
-Copied runfile
+Copied   more_tasks/spec.runfile
+Copied   runfile
+Copied   tasks/server.runfile
 
 Run run or run --help to see your runfile
 Delete the copied files to go back to the initial state

spec/approvals/initiator/example-import-skip

@@ -0,0 +1,6 @@
+Copied   more_tasks/spec.runfile
+Copied   runfile
+Skipped  tasks/server.runfile (exists)
+
+Run run or run --help to see your runfile
+Delete the copied files to go back to the initial state

spec/runfile/initiator_spec.rb

@@ -26,12 +26,31 @@
       end
     end
 
-    context 'with "example minimal"' do
-      it 'copies the example file(s) to the current directory' do
+    context 'with "example EXAMPLE"' do
+      before do
+        Dir['spec/tmp/**/{runfile,*.runfile,*.rb}'].each { |f| FileUtils.rm f }
+      end
+
+      it 'copies the example files to the current directory' do
         Dir.chdir 'spec/tmp' do
-          expect { subject.run %w[example minimal] }.to output_approval('initiator/example-minimal')
-          expect(File).to exist 'runfile'
-          expect(File.read 'runfile').to eq File.read('../../examples/minimal/runfile')
+          expect { subject.run %w[example import] }.to output_approval('initiator/example-import')
+          actual = Dir['**/*'].select { |f| File.file? f }.sort
+          expected = Dir.chdir('../../examples/import') { Dir['**/*'] }.select { |f| File.file? f }.sort
+          expect(actual).to eq expected
+        end
+      end
+
+      context 'when one of the files already exists' do
+        before do
+          FileUtils.mkdir_p 'spec/tmp/tasks'
+          File.write 'spec/tmp/tasks/server.runfile', 'original content'
+        end
+
+        it 'does not overwrite it' do
+          Dir.chdir 'spec/tmp' do
+            expect { subject.run %w[example import] }.to output_approval('initiator/example-import-skip')
+            expect(File.read 'tasks/server.runfile').to eq 'original content'
+          end
         end
       end
     end