Added a verbose mode to the bootstrap script

script/bootstrap.py

@@ -5,7 +5,7 @@ import os
 import sys
 
 from lib.config import LIBCHROMIUMCONTENT_COMMIT, BASE_URL, NODE_VERSION
-from lib.util import execute, scoped_cwd
+from lib.util import execute, scoped_cwd, enable_verbose_execute
 
 
 SOURCE_ROOT = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
@@ -18,6 +18,8 @@ def main():
   os.chdir(SOURCE_ROOT)
 
   args = parse_args()
+  if args.verbose:
+    enable_verbose_execute()
   update_submodules()
   update_node_modules('.')
   update_atom_modules('atom/browser/default_app')
@@ -32,7 +34,6 @@ def main():
   touch_config_gypi()
   update_atom_shell()
 
-
 def parse_args():
   parser = argparse.ArgumentParser(description='Bootstrap this project')
   parser.add_argument('-u', '--url',
@@ -41,9 +42,11 @@ def parse_args():
                       'libchromiumcontent\'s script/upload script',
                       default=BASE_URL,
                       required=False)
+  parser.add_argument('-v', '--verbose',
+                      action='store_true',
+                      help='Prints the output of the subprocesses')
   return parser.parse_args()
 
-
 def update_submodules():
   execute(['git', 'submodule', 'sync'])
   execute(['git', 'submodule', 'update', '--init', '--recursive'])

script/lib/util.py

@@ -12,12 +12,17 @@ import urllib2
 import os
 import zipfile
 
+verbose_mode = False
 
 def tempdir(prefix=''):
   directory = tempfile.mkdtemp(prefix=prefix)
   atexit.register(shutil.rmtree, directory)
   return directory
 
+def enable_verbose_execute():
+  print 'Running in verbose mode'
+  global verbose_mode
+  verbose_mode = True
 
 @contextlib.contextmanager
 def scoped_cwd(path):
@@ -126,7 +131,10 @@ def safe_mkdir(path):
 
 def execute(argv):
   try:
-    return subprocess.check_output(argv, stderr=subprocess.STDOUT)
+    output = subprocess.check_output(argv, stderr=subprocess.STDOUT)
+    if verbose_mode:
+      print output
+    return output
   except subprocess.CalledProcessError as e:
     print e.output
     raise e