Add a dry run mode.

1 files changed, 4 insertions, 1 deletions

diff --git a/dotbot/cli.py b/dotbot/cli.py
index 0795d40..b09461e 100644
--- a/dotbot/cli.py
+++ b/dotbot/cli.py
@@ -18,6 +18,8 @@ def add_options(parser):
         help='suppress most output')
     parser.add_argument('-v', '--verbose', action='store_true',
         help='enable verbose output')
+    parser.add_argument('-n', '--dry-run', action='store_true',
+        help='do not actually perform any changes')
     parser.add_argument('-d', '--base-directory',
         help='execute commands from within BASEDIR',
         metavar='BASEDIR')
@@ -97,7 +99,8 @@ def main():
             # default to directory of config file
             base_directory = os.path.dirname(os.path.abspath(options.config_file))
         os.chdir(base_directory)
-        dispatcher = Dispatcher(base_directory, only=options.only, skip=options.skip)
+        dispatcher = Dispatcher(base_directory, only=options.only, skip=options.skip,
+                                dry_run = options.dry_run)
         success = dispatcher.dispatch(tasks)
         if success:
             log.verbose('\n==> All tasks executed successfully')