--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/chef.py	Sat Dec 21 14:44:02 2013 -0800
@@ -0,0 +1,118 @@
+import sys
+import os.path
+import logging
+import argparse
+from piecrust.app import PieCrust, PieCrustConfiguration, APP_VERSION
+from piecrust.commands.base import CommandContext
+from piecrust.environment import StandardEnvironment
+from piecrust.pathutil import SiteNotFoundError, find_app_root
+
+
+logger = logging.getLogger(__name__)
+logging.basicConfig(level=logging.INFO,
+        format="%(message)s")
+
+
+class NullPieCrust:
+    def __init__(self):
+        self.root = None
+        self.cache = False
+        self.debug = False
+        self.templates_dirs = []
+        self.pages_dir = []
+        self.posts_dir = []
+        self.plugins_dirs = []
+        self.theme_dir = None
+        self.cache_dir = None
+        self.config = PieCrustConfiguration()
+        self.env = StandardEnvironment(self)
+
+
+def main():
+    root = None
+    cache = True
+    debug = False
+    config_variant = None
+    i = 0
+    while i < len(sys.argv):
+        arg = sys.argv[i]
+        if arg.startswith('--root='):
+            root = os.path.expanduser(arg[len('--root='):])
+        elif arg == '--root':
+            root = sys.argv[i + 1]
+            ++i
+        elif arg.startswith('--config='):
+            config_variant = arg[len('--config='):]
+        elif arg == '--config':
+            config_variant = sys.argv[i + 1]
+            ++i
+        elif arg == '--no-cache':
+            cache = False
+        elif arg == '--debug':
+            debug = True
+
+        if arg[0] != '-':
+            break
+
+    if debug:
+        logger.setLevel(logging.DEBUG)
+
+    if root is None:
+        root = find_app_root()
+
+    if not root:
+        app = NullPieCrust()
+    else:
+        app = PieCrust(root, cache=cache)
+
+    # Handle a configuration variant.
+    if config_variant is not None:
+        if not root:
+            raise SiteNotFoundError()
+        app.config.applyVariant('variants/' + config_variant)
+
+    # Setup the arg parser.
+    parser = argparse.ArgumentParser(
+            description="The PieCrust chef manages your website.")
+    parser.add_argument('--version', action='version', version=('%(prog)s ' + APP_VERSION))
+    parser.add_argument('--root', help="The root directory of the website.")
+    parser.add_argument('--config', help="The configuration variant to use for this command.")
+    parser.add_argument('--debug', help="Show debug information.", action='store_true')
+    parser.add_argument('--no-cache', help="When applicable, disable caching.", action='store_true')
+    parser.add_argument('--quiet', help="Print only important information.", action='store_true')
+    parser.add_argument('--log', help="Send log messages to the specified file.")
+
+    commands = sorted(app.plugin_loader.getCommands(),
+            lambda a, b: cmp(a.name, b.name))
+    subparsers = parser.add_subparsers()
+    for c in commands:
+        def command_runner(r):
+            if root is None and c.requires_website:
+                raise SiteNotFoundError()
+            c.run(CommandContext(r, app))
+
+        p = subparsers.add_parser(c.name, help=c.description)
+        c.setupParser(p)
+        p.set_defaults(func=command_runner)
+
+    # Parse the command line.
+    result = parser.parse_args()
+
+    # Setup the logger.
+    if result.debug and result.quiet:
+        raise Exception("You can't specify both --debug and --quiet.")
+    if result.debug:
+        logger.setLevel(logging.DEBUG)
+    elif result.quiet:
+        logger.setLevel(logging.WARNING)
+    if result.log:
+        from logging.handlers import FileHandler
+        logger.addHandler(FileHandler(result.log))
+
+    # Run the command!
+    result.func(result)
+
+
+if __name__ == '__main__':
+    main()
+