Fixed a bug:

It wasn't possible to give options on the command line for sections
not defined in a configuration file.

CHANGES.txt

@@ -11,6 +11,15 @@ priorities include:
 Change History
 **************
 
+1.0.0b23 (2007-03-??)
+=====================
+
+Bugs Fixed
+----------
+
+- It wasn't possible to give options on the command line for sections
+  not defined in a configuration file.
+
 1.0.0b22 (2007-03-15)
 =====================
 

src/zc/buildout/buildout.py

@@ -105,7 +105,7 @@ class Buildout(UserDict.DictMixin):
         for (section, option, value) in cloptions:
             options = data.get(section)
             if options is None:
-                options = self[section] = {}
+                options = data[section] = {}
             options[option] = value
                 # The egg dire
 

src/zc/buildout/tests.py

@@ -395,6 +395,24 @@ Now, finally, let's test _get_version:
 
     """
 
+def create_sections_on_command_line():
+    """
+    >>> write('buildout.cfg',
+    ... '''
+    ... [buildout]
+    ... parts =
+    ... x = ${foo:bar}
+    ... ''')
+
+    >>> print system(buildout + ' foo:bar=1 -vD'), # doctest: +ELLIPSIS
+    zc.buildout.easy_install: Installing ['zc.buildout', 'setuptools']
+    ...
+    [foo]
+    bar = 1
+    ...
+    
+    """
+
 # Why?
 ## def error_for_undefined_install_parts():
 ##     """