# HG changeset patch
# User Bryan O'Sullivan <bryano@fb.com>
# Date 1360024767 28800
# Node ID 0274b75af266bb3639f3e0a84ad4c15cddb2ceee
# Parent  e90c31a68eb9da48b5280faacce9525dd90b9798
svncommands: split write_if_needed into two functions

diff --git a/hgsubversion/svncommands.py b/hgsubversion/svncommands.py
--- a/hgsubversion/svncommands.py
+++ b/hgsubversion/svncommands.py
@@ -38,17 +38,19 @@ def rebuildmeta(ui, repo, args, unsafe_s
     return _buildmeta(ui, repo, args, partial=False,
                       skipuuid=unsafe_skip_uuid_check)
 
-def write_if_needed(path, content):
-    try:
-        fp = open(path)
-        mustwrite = fp.read() != content
+def read_if_exists(path):
+     try:
+        fp = open(path, 'rb')
+        d = fp.read()
         fp.close()
-    except IOError, err:
-        if err.errno != errno.ENOENT:
-            raise
-        mustwrite = True
-    if mustwrite:
-        fp = open(path, 'w')
+        return d
+     except IOError, err:
+         if err.errno != errno.ENOENT:
+             raise
+
+def write_if_needed(path, content):
+    if read_if_exists(path) != content:
+        fp = open(path, 'wb')
         fp.write(content)
         fp.close()