# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1431408245 25200
# Node ID d241585412add4e7cd9e7302c04112c502cd4d46
# Parent  44cf6ce62467f08d8a980f0b24ae5bc70340af57
internal: Make it possible to pass `argv` to the main Chef function.

This makes it easy to write system tests against the CLI.

diff -r 44cf6ce62467 -r d241585412ad piecrust/main.py
--- a/piecrust/main.py	Sun May 10 23:34:50 2015 -0700
+++ b/piecrust/main.py	Mon May 11 22:24:05 2015 -0700
@@ -60,10 +60,10 @@
         except ValueError:
             locale.setlocale(locale.LC_ALL, 'en_US.UTF-8')
 
-    argv = sys.argv
+    argv = sys.argv[1:]
     pre_args = _pre_parse_chef_args(argv)
     try:
-        exit_code = _run_chef(pre_args)
+        exit_code = _run_chef(pre_args, argv)
     except Exception as ex:
         if pre_args.debug:
             logger.exception(ex)
@@ -100,7 +100,7 @@
     # related arguments must be parsed first because we want to log everything
     # from the beginning.
     res = PreParsedChefArgs()
-    i = 1
+    i = 0
     while i < len(argv):
         arg = argv[i]
         if arg.startswith('--root='):
@@ -166,7 +166,7 @@
     return res
 
 
-def _run_chef(pre_args):
+def _run_chef(pre_args, argv):
     # Setup the app.
     start_time = time.clock()
     root = pre_args.root
@@ -250,7 +250,7 @@
             parser.epilog = epilog.getvalue()
 
     # Parse the command line.
-    result = parser.parse_args()
+    result = parser.parse_args(argv)
     logger.debug(format_timed(start_time, 'initialized PieCrust',
                               colored=False))