init: remove .git directory after clone (#487)

* init: remove .git directory after clone

* fix bad merge w development

dbt/clients/git.py

@@ -1,15 +1,22 @@
-from dbt.clients.system import run_cmd
+import os.path
+
+from dbt.clients.system import run_cmd, rmdir
 from dbt.logger import GLOBAL_LOGGER as logger
 import dbt.exceptions
 
 
-def clone(repo, cwd, dirname=None):
+def clone(repo, cwd, dirname=None, remove_git_dir=False):
  clone_cmd = ['git', 'clone', '--depth', '1', repo]
 
  if dirname is not None:
  clone_cmd.append(dirname)
 
- return run_cmd(cwd, clone_cmd)
+ result = run_cmd(cwd, clone_cmd)
+
+ if remove_git_dir:
+ rmdir(os.path.join(dirname, '.git'))
+
+ return result
 
 
 def list_tags(cwd):

dbt/clients/system.py

@@ -2,8 +2,9 @@
 import fnmatch
 import os
 import os.path
-import sys
+import shutil
 import subprocess
+import sys
 
 from dbt.logger import GLOBAL_LOGGER as logger
 
@@ -89,6 +90,14 @@ def make_file(path, contents='', overwrite=False):
  return False
 
 
+def rmdir(path):
+ """
+ Make a file at `path` assuming that the directory it resides in already
+ exists. The file is saved with contents `contents`
+ """
+ return shutil.rmtree(path)
+
+
 def open_dir_cmd():
  # https://docs.python.org/2/library/sys.html#sys.platform
  if sys.platform == 'win32':

dbt/task/init.py

@@ -61,7 +61,9 @@
 
 class InitTask(BaseTask):
  def clone_starter_repo(self, project_name):
- dbt.clients.git.clone(STARTER_REPO, '.', project_name)
+ dbt.clients.git.clone(
+ STARTER_REPO, '.', project_name,
+ remove_git_dir=True)
  dbt.clients.git.remove_remote(project_name)
 
  def create_profiles_dir(self, profiles_dir):