Add a dry run mode.

1 files changed, 23 insertions, 11 deletions

diff --git a/dotbot/plugins/create.py b/dotbot/plugins/create.py
index 2420558..aa14277 100644
--- a/dotbot/plugins/create.py
+++ b/dotbot/plugins/create.py
@@ -9,15 +9,23 @@ class Create(dotbot.Plugin):
 
     _directive = 'create'
 
-    def handle(self, directive, paths):
+    def handle(self, directive, paths, dry_run):
         success = True
         for path in paths:
             path = os.path.expandvars(os.path.expanduser(path))
-            success &= self._create(path)
-        if success:
-            self._log.verbose('All paths have been set up')
+            success &= self._create(path, dry_run)
+
+        if dry_run:
+            if success:
+                self._log.verbose('create/dry run: nothing to do')
+            else:
+                self._log.verbose('create/dry run: some targets are missing')
         else:
-            self._log.error('Some paths were not successfully set up')
+            if success:
+                self._log.verbose('All paths have been set up')
+            else:
+                self._log.error('Some paths were not successfully set up')
+
         return success
 
     def _exists(self, path):
@@ -27,16 +35,20 @@ class Create(dotbot.Plugin):
         path = os.path.expanduser(path)
         return os.path.exists(path)
 
-    def _create(self, path):
+    def _create(self, path, dry_run):
+        if self._exists(path):
+            self._log.verbose('Path exists %s' % path)
+            return True
+
         success = True
-        if not self._exists(path):
-            self._log.debug('Trying to create path %s' % path)
+        self._log.info('Creating path %s' % path)
+        if dry_run:
+            success = False
+        else:
             try:
-                self._log.info('Creating path %s' % path)
                 os.makedirs(path)
             except OSError:
                 self._log.warning('Failed to create path %s' % path)
                 success = False
-        else:
-            self._log.verbose('Path exists %s' % path)
+
         return success