Add copy method to CommitCommand

Allows easily creating a modified version of an existing commit without having
to modify the existing object in-place

1 files changed, 7 insertions, 0 deletions

diff --git a/fastimport/commands.py b/fastimport/commands.py
index 0a0fce5..7ddf0fd 100644
--- a/fastimport/commands.py
+++ b/fastimport/commands.py
@@ -142,6 +142,13 @@ class CommitCommand(ImportCommand):
         else:
             self.id = ':%s' % mark
 
+    def copy(self, **kwargs):
+        fields = dict((k, v) for k, v in self.__dict__.iteritems()
+                      if k != 'id'
+                      if not k.startswith('_'))
+        fields.update(kwargs)
+        return CommitCommand(**fields)
+
     def __repr__(self):
         return self.to_string(include_file_contents=True)