Specify a version for each gem in buildout cfg.

CHANGES.rst

 Change History
 **************
 
+0.1.4 (UNRELEASED)
+==================
+
+- You can specify a version for each gem with a syntax similar to python eggs.
+
+
 0.1.3 (2011-12-28)
 ==================
 

rubygems.py

@@ -162,6 +162,7 @@ class Recipe(object):
             self._install_rubygems()
             gem_executable = self.get_gem_executable(bindir)
 
+        for gem in self.gems:
             s = {
                 'GEM': gem_executable,
                 'OPTIONS': ' '.join([
@@ -169,9 +170,14 @@ class Recipe(object):
                         '--no-ri',
                         '--bindir=%s' % bindir,
                     ]),
-            'GEMS': ' '.join(self.gems)
+                'GEMNAME': gem
             }
-        self.run('%(GEM)s install %(OPTIONS)s %(GEMS)s' % s, self._get_env())
+            if '=' in gem:
+                gemname, version = (gem.strip() for gem in gem.split('='))
+                s['GEMNAME'] = gemname
+                s['OPTIONS'] += ' --version %s' % version
+            print '%(GEM)s install %(OPTIONS)s %(GEMNAME)s' % s
+            self.run('%(GEM)s install %(OPTIONS)s %(GEMNAME)s' % s, self._get_env())
 
         for executable in os.listdir(bindir):
             installed_path = self._install_executable(

setup.py

@@ -4,7 +4,7 @@ import os
 
 from setuptools import setup
 
-version = '0.1.3'
+version = '0.1.4-dev'
 name = 'rubygemsrecipe'