# HG changeset patch
# User Bryan O'Sullivan <bryano@fb.com>
# Date 1360012439 28800
# Node ID e90c31a68eb9da48b5280faacce9525dd90b9798
# Parent  b62fff7832c360384717564335f8daa2caf5924f
buildmeta: write subdir and layout files only if needed

diff --git a/hgsubversion/svncommands.py b/hgsubversion/svncommands.py
--- a/hgsubversion/svncommands.py
+++ b/hgsubversion/svncommands.py
@@ -117,9 +117,7 @@ def _buildmeta(ui, repo, args, partial=F
 
     numrevs = len(repo) - startrev
 
-    subdirfile = open(os.path.join(svnmetadir, 'subdir'), 'w')
-    subdirfile.write(subdir.strip('/'))
-    subdirfile.close()
+    write_if_needed(os.path.join(svnmetadir, 'subdir'), subdir.strip('/'))
 
     # ctx.children() visits all revisions in the repository after ctx. Calling
     # it would make us use O(revisions^2) time, so we perform an extra traversal
@@ -195,9 +193,7 @@ def _buildmeta(ui, repo, args, partial=F
                 layout = 'single'
             else:
                 layout = 'standard'
-            f = open(os.path.join(svnmetadir, 'layout'), 'w')
-            f.write(layout)
-            f.close()
+            write_if_needed(os.path.join(svnmetadir, 'layout'), layout)
         elif layout == 'single':
             assert (subdir or '/') == revpath, ('Possible layout detection'
                                                 ' defect in replay')