--- a/hgext/largefiles/overrides.py	Fri Feb 08 10:32:48 2019 -0800
+++ b/hgext/largefiles/overrides.py	Thu Feb 07 11:15:30 2019 -0800
@@ -235,15 +235,15 @@
     return orig(ui, repo, *pats, **opts)
 
 @eh.wrapfunction(cmdutil, 'add')
-def cmdutiladd(orig, ui, repo, matcher, prefix, explicitonly, **opts):
+def cmdutiladd(orig, ui, repo, matcher, prefix, uipathfn, explicitonly, **opts):
     # The --normal flag short circuits this override
     if opts.get(r'normal'):
-        return orig(ui, repo, matcher, prefix, explicitonly, **opts)
+        return orig(ui, repo, matcher, prefix, uipathfn, explicitonly, **opts)
 
     ladded, lbad = addlargefiles(ui, repo, False, matcher, **opts)
     normalmatcher = composenormalfilematcher(matcher, repo[None].manifest(),
                                              ladded)
-    bad = orig(ui, repo, normalmatcher, prefix, explicitonly, **opts)
+    bad = orig(ui, repo, normalmatcher, prefix, uipathfn, explicitonly, **opts)
 
     bad.extend(f for f in lbad)
     return bad

--- a/mercurial/cmdutil.py	Fri Feb 08 10:32:48 2019 -0800
+++ b/mercurial/cmdutil.py	Thu Feb 07 11:15:30 2019 -0800
@@ -2027,7 +2027,7 @@
 
     return iterate()
 
-def add(ui, repo, match, prefix, explicitonly, **opts):
+def add(ui, repo, match, prefix, uipathfn, explicitonly, **opts):
     bad = []
 
     badfn = lambda x, y: bad.append(x) or match.bad(x, y)
@@ -2051,7 +2051,7 @@
                 cca(f)
             names.append(f)
             if ui.verbose or not exact:
-                ui.status(_('adding %s\n') % match.rel(f),
+                ui.status(_('adding %s\n') % uipathfn(f),
                           label='ui.addremove.added')
 
     for subpath in sorted(wctx.substate):
@@ -2059,13 +2059,16 @@
         try:
             submatch = matchmod.subdirmatcher(subpath, match)
             subprefix = repo.wvfs.reljoin(prefix, subpath)
+            subuipathfn = scmutil.subdiruipathfn(subpath, uipathfn)
             if opts.get(r'subrepos'):
-                bad.extend(sub.add(ui, submatch, subprefix, False, **opts))
+                bad.extend(sub.add(ui, submatch, subprefix, subuipathfn, False,
+                                   **opts))
             else:
-                bad.extend(sub.add(ui, submatch, subprefix, True, **opts))
+                bad.extend(sub.add(ui, submatch, subprefix, subuipathfn, True,
+                                   **opts))
         except error.LookupError:
             ui.status(_("skipping missing subrepository: %s\n")
-                           % match.rel(subpath))
+                           % uipathfn(subpath))
 
     if not opts.get(r'dry_run'):
         rejected = wctx.add(names, prefix)

--- a/mercurial/commands.py	Fri Feb 08 10:32:48 2019 -0800
+++ b/mercurial/commands.py	Thu Feb 07 11:15:30 2019 -0800
@@ -180,7 +180,8 @@
     """
 
     m = scmutil.match(repo[None], pats, pycompat.byteskwargs(opts))
-    rejected = cmdutil.add(ui, repo, m, "", False, **opts)
+    uipathfn = scmutil.getuipathfn(repo, forcerelativevalue=True)
+    rejected = cmdutil.add(ui, repo, m, "", uipathfn, False, **opts)
     return rejected and 1 or 0
 
 @command('addremove',

--- a/mercurial/scmutil.py	Fri Feb 08 10:32:48 2019 -0800
+++ b/mercurial/scmutil.py	Thu Feb 07 11:15:30 2019 -0800
@@ -11,6 +11,7 @@
 import glob
 import hashlib
 import os
+import posixpath
 import re
 import subprocess
 import weakref
@@ -758,6 +759,10 @@
     else:
         return lambda f: f
 
+def subdiruipathfn(subpath, uipathfn):
+    '''Create a new uipathfn that treats the file as relative to subpath.'''
+    return lambda f: uipathfn(posixpath.join(subpath, f))
+
 def expandpats(pats):
     '''Expand bare globs when running on windows.
     On posix we assume it already has already been done by sh.'''

--- a/mercurial/subrepo.py	Fri Feb 08 10:32:48 2019 -0800
+++ b/mercurial/subrepo.py	Thu Feb 07 11:15:30 2019 -0800
@@ -287,7 +287,7 @@
         """
         raise NotImplementedError
 
-    def add(self, ui, match, prefix, explicitonly, **opts):
+    def add(self, ui, match, prefix, uipathfn, explicitonly, **opts):
         return []
 
     def addremove(self, matcher, prefix, opts):
@@ -516,8 +516,9 @@
             self._repo.vfs.write('hgrc', util.tonativeeol(''.join(lines)))
 
     @annotatesubrepoerror
-    def add(self, ui, match, prefix, explicitonly, **opts):
-        return cmdutil.add(ui, self._repo, match, prefix, explicitonly, **opts)
+    def add(self, ui, match, prefix, uipathfn, explicitonly, **opts):
+        return cmdutil.add(ui, self._repo, match, prefix, uipathfn,
+                           explicitonly, **opts)
 
     @annotatesubrepoerror
     def addremove(self, m, prefix, opts):
@@ -1590,7 +1591,7 @@
             return False
 
     @annotatesubrepoerror
-    def add(self, ui, match, prefix, explicitonly, **opts):
+    def add(self, ui, match, prefix, uipathfn, explicitonly, **opts):
         if self._gitmissing():
             return []
 
@@ -1614,7 +1615,7 @@
             if exact:
                 command.append("-f") #should be added, even if ignored
             if ui.verbose or not exact:
-                ui.status(_('adding %s\n') % match.rel(f))
+                ui.status(_('adding %s\n') % uipathfn(f))
 
             if f in tracked:  # hg prints 'adding' even if already tracked
                 if exact:
@@ -1624,7 +1625,7 @@
                 self._gitcommand(command + [f])
 
         for f in rejected:
-            ui.warn(_("%s already tracked!\n") % match.rel(f))
+            ui.warn(_("%s already tracked!\n") % uipathfn(f))
 
         return rejected