Make execution with -m match Python more closely.

1 files changed, 5 insertions, 1 deletions

diff --git a/coverage/execfile.py b/coverage/execfile.py
index 71227b71..1c0048ff 100644
--- a/coverage/execfile.py
+++ b/coverage/execfile.py
@@ -65,6 +65,7 @@ def run_python_module(modulename, args):
             openfile.close()
 
     # Finally, hand the file off to run_python_file for execution.
+    args[0] = pathname
     run_python_file(pathname, args, package=packagename)
 
 
@@ -89,7 +90,10 @@ def run_python_file(filename, args, package=None):
     old_argv = sys.argv
     old_path0 = sys.path[0]
     sys.argv = args
-    sys.path[0] = os.path.abspath(os.path.dirname(filename))
+    if package:
+        sys.path[0] = ''
+    else:
+        sys.path[0] = os.path.abspath(os.path.dirname(filename))
 
     try:
         # Open the source file.