Merge branch 'feature/bonobo-init-should-work-on-an-empty-existing-directory' of git://github.com/arimbr/bonobo into arimbr-feature/bonobo-init-should-work-on-an-empty-existing-directory

bonobo/commands/init.py

@@ -1,3 +1,5 @@
+import os
+
 def execute(name, branch):
     try:
         from cookiecutter.main import cookiecutter
@@ -6,11 +8,17 @@ def execute(name, branch):
             'You must install "cookiecutter" to use this command.\n\n $ pip install cookiecutter\n'
         ) from exc
 
+    overwrite_if_exists = False
+    project_path = os.path.join(os.getcwd(), name)
+    if os.path.isdir(project_path) and not os.listdir(project_path):
+        overwrite_if_exists = True
+
     return cookiecutter(
         'https://github.com/python-bonobo/cookiecutter-bonobo.git',
         extra_context={'name': name},
         no_input=True,
-        checkout=branch
+        checkout=branch,
+        overwrite_if_exists=overwrite_if_exists
     )