[BUG] handle "-" as an argument

[Robert Widhopf-Fenk]

A typo and its result.

I am not sure if the attached patch is the right fix ...

> bzr checkout - h
bzr: ERROR: exceptions.IndexError: string index out of range

Traceback (most recent call last):
  File "/home/fenk/download/bzr.dev/bzrlib/commands.py", line 692, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/home/fenk/download/bzr.dev/bzrlib/commands.py", line 655, in run_bzr
    ret = run(*run_argv)
  File "/home/fenk/download/bzr.dev/bzrlib/commands.py", line 259, in run_argv_aliases
    args, opts = parse_args(self, argv, alias_argv)
  File "/home/fenk/download/bzr.dev/bzrlib/commands.py", line 379, in parse_args
    if a[1] == '-':
IndexError: string index out of range

bzr 0.9.0dev0 on python 2.4.1.final.0 (linux2)
arguments: ['./bzr', 'checkout', '-', 'h']

** please send this report to bazaar-ng at lists.ubuntu.com

-------------- next part --------------
=== modified file 'bzrlib/commands.py'
--- bzrlib/commands.py	2006-06-20 05:32:16 +0000
+++ bzrlib/commands.py	2006-06-23 20:01:41 +0000
@@ -365,7 +365,7 @@
     for proc_argv in alias_argv, argv:
         while proc_argv:
             a = proc_argv.pop(0)
-            if argsover:
+            if argsover or a == '-':
                 args.append(a)
                 continue
             elif a == '--':