# HG changeset patch
# User Greg Ward <greg@gerg.ca>
# Date 1303680650 14400
# Node ID da65edcac72af707922917d912ae1969495206d0
# Parent  d764463b433e05b660904f26041b9cf7ad97960a
atomictempfile: rewrite docstring to clarify rename() vs. close().

diff -r d764463b433e -r da65edcac72a mercurial/util.py
--- a/mercurial/util.py	Sun Apr 24 19:25:10 2011 -0400
+++ b/mercurial/util.py	Sun Apr 24 17:30:50 2011 -0400
@@ -719,12 +719,15 @@
     return temp
 
 class atomictempfile(object):
-    """file-like object that atomically updates a file
+    '''writeable file object that atomically updates a file
 
-    All writes will be redirected to a temporary copy of the original
-    file.  When rename is called, the copy is renamed to the original
-    name, making the changes visible.
-    """
+    All writes will go to a temporary copy of the original file. Call
+    rename() when you are done writing, and atomictempfile will rename
+    the temporary copy to the original name, making the changes visible.
+
+    Unlike other file-like objects, close() discards your writes by
+    simply deleting the temporary file.
+    '''
     def __init__(self, name, mode='w+b', createmode=None):
         self.__name = name      # permanent name
         self._tempname = mktempcopy(name, emptyok=('w' in mode),