[PATCH 4 of 8 V3] largefiles: extract 'orig' method in lfilesctx.filectx

[Martin von Zweigbergk]

# HG changeset patch
# User Martin von Zweigbergk <martinvonz at gmail.com>
# Date 1410904285 25200
#      Tue Sep 16 14:51:25 2014 -0700
# Node ID 58593ed2f24b47c7fb51be71cc854367f0a79aa8
# Parent  998451943c857aaabc31f6d1938a9f839d1b7fd1
largefiles: extract 'orig' method in lfilesctx.filectx

diff --git a/hgext/largefiles/reposetup.py b/hgext/largefiles/reposetup.py
--- a/hgext/largefiles/reposetup.py
+++ b/hgext/largefiles/reposetup.py
@@ -48,22 +48,20 @@
                         man1.__class__ = lfilesmanifestdict
                         return man1
                     def filectx(self, path, fileid=None, filelog=None):
+                        orig = super(lfilesctx, self).filectx
                         try:
                             if filelog is not None:
-                                result = super(lfilesctx, self).filectx(
-                                    path, fileid, filelog)
+                                result = orig(path, fileid, filelog)
                             else:
-                                result = super(lfilesctx, self).filectx(
-                                    path, fileid)
+                                result = orig(path, fileid)
                         except error.LookupError:
                             # Adding a null character will cause Mercurial to
                             # identify this as a binary file.
                             if filelog is not None:
-                                result = super(lfilesctx, self).filectx(
-                                    lfutil.standin(path), fileid, filelog)
+                                result = orig(lfutil.standin(path), fileid,
+                                              filelog)
                             else:
-                                result = super(lfilesctx, self).filectx(
-                                    lfutil.standin(path), fileid)
+                                result = orig(lfutil.standin(path), fileid)
                             olddata = result.data
                             result.data = lambda: olddata() + '\0'
                         return result