# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 2017-05-27 08:58:36
# Node ID 7bfa1b199972a347f8c58095c9263fd34297775e
# Parent  7f4435078a8f182b05b4f9450dd15255f2fdaa3f

cat: use with statement to close output file

diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -2642,11 +2642,11 @@ def cat(ui, repo, ctx, matcher, fntempla
             fp = open(filename, 'wb')
         else:
             fp = _unclosablefile(ui.fout)
-        data = ctx[path].data()
-        if opts.get('decode'):
-            data = repo.wwritedata(path, data)
-        fp.write(data)
-        fp.close()
+        with fp:
+            data = ctx[path].data()
+            if opts.get('decode'):
+                data = repo.wwritedata(path, data)
+            fp.write(data)
 
     # Automation often uses hg cat on single files, so special case it
     # for performance to avoid the cost of parsing the manifest.