largefiles: report the source of copied/moved largefiles in status -C

Previously, the source was silently skipped because the largefile was in the
list of changed files, but the standin was in the copies dictionary.  The source
is only displayed if the changed file is a key in the copies dictionary.

hgext/largefiles/overrides.py

@@ -578,6 +578,15 b' def overridefilemerge(origfn, repo, myno'
         repo.wwrite(fcd.path(), fco.data(), fco.flags())
     return 0
 
+def copiespathcopies(orig, ctx1, ctx2):
+    copies = orig(ctx1, ctx2)
+    updated = {}
+
+    for k, v in copies.iteritems():
+        updated[lfutil.splitstandin(k) or k] = lfutil.splitstandin(v) or v
+
+    return updated
+
 # Copy first changes the matchers to match standins instead of
 # largefiles.  Then it overrides util.copyfile in that function it
 # checks if the destination largefile already exists. It also keeps a

hgext/largefiles/uisetup.py

@@ -9,7 +9,7 b''
 '''setup for largefiles extension: uisetup'''
 
 from mercurial import archival, cmdutil, commands, extensions, filemerge, hg, \
-    httppeer, merge, scmutil, sshpeer, wireproto, revset, subrepo
+    httppeer, merge, scmutil, sshpeer, wireproto, revset, subrepo, copies
 from mercurial.i18n import _
 from mercurial.hgweb import hgweb_mod, webcommands
 
@@ -37,6 +37,8 b' def uisetup(ui):'
     extensions.wrapfunction(cmdutil, 'remove', overrides.cmdutilremove)
     extensions.wrapfunction(cmdutil, 'forget', overrides.cmdutilforget)
 
+    extensions.wrapfunction(copies, 'pathcopies', overrides.copiespathcopies)
+
     # Subrepos call status function
     entry = extensions.wrapcommand(commands.table, 'status',
                                    overrides.overridestatus)

tests/test-subrepo-deep-nested-change.t

@@ -419,4 +419,24 b' Test a directory commit with a changed l'
   A a.dat
   A a.txt
 
+  $ hg ci -m "add a.*"
+  $ hg mv a.dat b.dat
+  $ hg mv foo/bar/abc foo/bar/def
+  $ hg status -C
+  A b.dat
+    a.dat
+  A foo/bar/def
+    foo/bar/abc
+  R a.dat
+  R foo/bar/abc
+
+  $ hg ci -m "move large and normal"
+  $ hg status -C --rev '.^' --rev .
+  A b.dat
+    a.dat
+  A foo/bar/def
+    foo/bar/abc
+  R a.dat
+  R foo/bar/abc
+
   $ cd ..