# HG changeset patch
# User Stanislau Hlebik <stash@fb.com>
# Date 1496062645 25200
# Node ID e1e1cc97e05aba45c8cfd9daf115958dd34b6bf3
# Parent  e4d1bc14e39a21a56f6c5e67feb98f81a8c9b54b
copies: remove msrc and mdst parameters

This function already has lots of parameters. And we can get manifests from
contexts. So let's get msrc and mdst parameters from srcctx and dstctx.

diff -r e4d1bc14e39a -r e1e1cc97e05a mercurial/copies.py
--- a/mercurial/copies.py	Mon May 29 05:57:03 2017 -0700
+++ b/mercurial/copies.py	Mon May 29 05:57:25 2017 -0700
@@ -414,10 +414,10 @@
                                       baselabel='topological common ancestor')
 
     for f in u1u:
-        _checkcopies(c1, c2, f, m1, m2, base, tca, dirtyc1, limit, data1)
+        _checkcopies(c1, c2, f, base, tca, dirtyc1, limit, data1)
 
     for f in u2u:
-        _checkcopies(c2, c1, f, m2, m1, base, tca, dirtyc2, limit, data2)
+        _checkcopies(c2, c1, f, base, tca, dirtyc2, limit, data2)
 
     copy = dict(data1['copy'].items() + data2['copy'].items())
     fullcopy = dict(data1['fullcopy'].items() + data2['fullcopy'].items())
@@ -462,8 +462,8 @@
              'incompletediverge': bothincompletediverge
             }
     for f in bothnew:
-        _checkcopies(c1, c2, f, m1, m2, base, tca, dirtyc1, limit, both1)
-        _checkcopies(c2, c1, f, m2, m1, base, tca, dirtyc2, limit, both2)
+        _checkcopies(c1, c2, f, base, tca, dirtyc1, limit, both1)
+        _checkcopies(c2, c1, f, base, tca, dirtyc2, limit, both2)
     if dirtyc1:
         # incomplete copies may only be found on the "dirty" side for bothnew
         assert not both2['incomplete']
@@ -598,16 +598,13 @@
     except StopIteration:
         return False
 
-def _checkcopies(srcctx, dstctx, f, msrc, mdst, base, tca, remotebase,
-                 limit, data):
+def _checkcopies(srcctx, dstctx, f, base, tca, remotebase, limit, data):
     """
     check possible copies of f from msrc to mdst
 
     srcctx = starting context for f in msrc
     dstctx = destination context for f in mdst
     f = the filename to check (as in msrc)
-    msrc = the source manifest
-    mdst = the destination manifest
     base = the changectx used as a merge base
     tca = topological common ancestor for graft-like scenarios
     remotebase = True if base is outside tca::srcctx, False otherwise
@@ -620,6 +617,8 @@
     once it "goes behind a certain revision".
     """
 
+    msrc = srcctx.manifest()
+    mdst = dstctx.manifest()
     mb = base.manifest()
     mta = tca.manifest()
     # Might be true if this call is about finding backward renames,