Add a cmdline option to set the lorax config file

Add --lorax-conf which will be used to point lorax to a INI style
config file. Useful for running things from a git checkout instead of
installed system.

src/bin/pungi.py

@@ -113,6 +113,9 @@ def main():
     config.set("pungi", "nosource", str(bool(opts.nosource)))
     config.set("pungi", "nodebuginfo", str(bool(opts.nodebuginfo)))
 
+    if opts.lorax_conf:
+        config.set("lorax", "conf_file", opts.lorax_conf)
+
     # Actually do work.
     mypungi = pypungi.Pungi(config, ksparser)
 
@@ -260,6 +263,8 @@ if __name__ == '__main__':
           help='base working directory (defaults to destdir + /work)')
         parser.add_option("--no-dvd", default=False, action="store_true", dest="no_dvd",
           help='Do not make a install DVD/CD only the netinstall image and the tree')
+        parser.add_option("--lorax-conf", type="string",
+          help='Path to lorax.conf file (optional)')
 
         parser.add_option("-c", "--config", dest="config",
           help='Path to kickstart config file')

src/pypungi/__init__.py

@@ -1407,6 +1407,10 @@ class Pungi(pypungi.PungiBase):
 
         # run the command
         lorax = pylorax.Lorax()
+        try:
+            conf_file = self.config.get('lorax', 'conf_file')
+            lorax.configure(conf_file=conf_file)
+        except (ConfigParser.NoSectionError, ConfigParser.NoOptionError):
             lorax.configure()
 
         lorax.run(self.ayum, product=product, version=version, release=release,

src/pypungi/config.py

@@ -23,6 +23,7 @@ class Config(SafeConfigParser):
         SafeConfigParser.__init__(self)
 
         self.add_section('pungi')
+        self.add_section('lorax')
 
         self.set('pungi', 'osdir', 'os')
         self.set('pungi', 'sourcedir', 'source')