Clean up bctest.py and bitcoin-util-test.py

- remove newlines
- change tabs for spaces, to align with convention in other py files
- add comments
- add 'Bitcoin Core Developers' copyright notice

1 files changed, 5 insertions, 2 deletions

diff --git a/src/test/bitcoin-util-test.py b/src/test/bitcoin-util-test.py
index 9afe91aca0..eeb05c0b88 100755
--- a/src/test/bitcoin-util-test.py
+++ b/src/test/bitcoin-util-test.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 # Copyright 2014 BitPay, Inc.
+# Copyright 2016 The Bitcoin Core developers
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 from __future__ import division,print_function,unicode_literals
@@ -16,11 +17,13 @@ Runs automatically during `make check`.
 
 Can also be run manually from the src directory by specifiying the source directory:
 
-test/bitcoin-util-test.py --src=[srcdir]
+test/bitcoin-util-test.py --srcdir='srcdir' [--verbose]
 """
 
-
 if __name__ == '__main__':
+    # Try to get the source directory from the environment variables. This will
+    # be set for `make check` automated runs. If environment variable is not set,
+    # then get the source directory from command line args.
     try:
         srcdir = os.environ["srcdir"]
         verbose = False