[PATCH 2 of 2] changegroup: remove now-unused 'wasempty' variable and parameter

[Martin von Zweigbergk]

# HG changeset patch
# User Martin von Zweigbergk <martinvonz at google.com>
# Date 1452316448 28800
#      Fri Jan 08 21:14:08 2016 -0800
# Node ID 36b82e00a2de1543d58d90446408aabb1eee7a53
# Parent  ea75b21a97b7549441941268c317995591230dc5
changegroup: remove now-unused 'wasempty' variable and parameter

diff --git a/mercurial/changegroup.py b/mercurial/changegroup.py
--- a/mercurial/changegroup.py
+++ b/mercurial/changegroup.py
@@ -315,7 +315,6 @@
         - number of heads stays the same: 1
         """
         repo = repo.unfiltered()
-        wasempty = (len(repo.changelog) == 0)
         def csmap(x):
             repo.ui.debug("add changeset %s\n" % short(x))
             return len(cl)
@@ -390,7 +389,7 @@
             self.callback = None
             pr = prog(_('files'), efiles)
             newrevs, newfiles = _addchangegroupfiles(
-                repo, self, revmap, trp, pr, needfiles, wasempty)
+                repo, self, revmap, trp, pr, needfiles)
             revisions += newrevs
             files += newfiles
 
@@ -1034,7 +1033,7 @@
     # to avoid a race we use changegroupsubset() (issue1320)
     return changegroupsubset(repo, basenodes, repo.heads(), source)
 
-def _addchangegroupfiles(repo, source, revmap, trp, pr, needfiles, wasempty):
+def _addchangegroupfiles(repo, source, revmap, trp, pr, needfiles):
     revisions = 0
     files = 0
     while True: