--- a/hgext/largefiles/__init__.py	Tue Mar 18 14:29:33 2014 -0700
+++ b/hgext/largefiles/__init__.py	Mon Mar 31 10:12:07 2014 -0500
@@ -105,9 +105,10 @@
 command.
 '''
 
-from mercurial import commands, localrepo
+from mercurial import commands, hg, localrepo
 
 import lfcommands
+import proto
 import reposetup
 import uisetup as uisetupmod
 
@@ -121,6 +122,7 @@
 
 def uisetup(ui):
     localrepo.localrepository.featuresetupfuncs.add(featuresetup)
+    hg.wirepeersetupfuncs.append(proto.wirereposetup)
     uisetupmod.uisetup(ui)
 
 commands.norepo += " lfconvert"

--- a/hgext/largefiles/reposetup.py	Tue Mar 18 14:29:33 2014 -0700
+++ b/hgext/largefiles/reposetup.py	Mon Mar 31 10:12:07 2014 -0500
@@ -16,14 +16,13 @@
 from mercurial import localrepo
 
 import lfcommands
-import proto
 import lfutil
 
 def reposetup(ui, repo):
-    # wire repositories should be given new wireproto functions but not the
-    # other largefiles modifications
+    # wire repositories should be given new wireproto functions
+    # by "proto.wirereposetup()" via "hg.wirepeersetupfuncs"
     if not repo.local():
-        return proto.wirereposetup(ui, repo)
+        return
 
     class lfilesrepo(repo.__class__):
         lfstatus = False

--- a/mercurial/hg.py	Tue Mar 18 14:29:33 2014 -0700
+++ b/mercurial/hg.py	Mon Mar 31 10:12:07 2014 -0500
@@ -98,6 +98,9 @@
     else:
         return url.open(ui, path)
 
+# a list of (ui, repo) functions called for wire peer initialization
+wirepeersetupfuncs = []
+
 def _peerorrepo(ui, path, create=False):
     """return a repository object for the specified path"""
     obj = _peerlookup(path).instance(ui, path, create)
@@ -106,6 +109,9 @@
         hook = getattr(module, 'reposetup', None)
         if hook:
             hook(ui, obj)
+    if not obj.local():
+        for f in wirepeersetupfuncs:
+            f(ui, obj)
     return obj
 
 def repository(ui, path='', create=False):

--- a/mercurial/templater.py	Tue Mar 18 14:29:33 2014 -0700
+++ b/mercurial/templater.py	Mon Mar 31 10:12:07 2014 -0500
@@ -212,6 +212,7 @@
             raise error.ParseError(_("filter %s expects one argument") % n)
         f = context._filters[n]
         return (runfilter, (args[0][0], args[0][1], f))
+    raise error.ParseError(_("unknown function '%s'") % n)
 
 def date(context, mapping, args):
     if not (1 <= len(args) <= 2):

--- a/tests/test-command-template.t	Tue Mar 18 14:29:33 2014 -0700
+++ b/tests/test-command-template.t	Mon Mar 31 10:12:07 2014 -0500
@@ -1439,6 +1439,12 @@
   abort: template filter 'datefilter' is not compatible with keyword 'author'
   [255]
 
+Thrown an error if a template function doesn't exist
+
+  $ hg tip --template '{foo()}\n'
+  hg: parse error: unknown function 'foo'
+  [255]
+
   $ cd ..
 
 

--- a/tests/test-commit.t	Tue Mar 18 14:29:33 2014 -0700
+++ b/tests/test-commit.t	Mon Mar 31 10:12:07 2014 -0500
@@ -299,7 +299,7 @@
   $ echo 'sub = sub' > .hgsub
   $ hg add .hgsub
 
-  $ cat > $TESTDIR/editor.sh <<EOF
+  $ cat > $TESTTMP/editor.sh <<EOF
   > echo "==== before editing:"
   > cat \$1
   > echo "===="
@@ -307,7 +307,7 @@
   > EOF
 
   $ rm -f .hg/last-message.txt
-  $ HGEDITOR="sh $TESTDIR/editor.sh" hg commit -S -q
+  $ HGEDITOR="sh $TESTTMP/editor.sh" hg commit -S -q
   ==== before editing:
   
   

--- a/tests/test-histedit-fold.t	Tue Mar 18 14:29:33 2014 -0700
+++ b/tests/test-histedit-fold.t	Mon Mar 31 10:12:07 2014 -0500
@@ -107,7 +107,7 @@
 
 check saving last-message.txt
 
-  $ cat > $TESTDIR/abortfolding.py <<EOF
+  $ cat > $TESTTMP/abortfolding.py <<EOF
   > from mercurial import util
   > def abortfolding(ui, repo, hooktype, **kwargs):
   >     ctx = repo[kwargs.get('node')]
@@ -117,10 +117,10 @@
   > EOF
   $ cat > .hg/hgrc <<EOF
   > [hooks]
-  > pretxncommit.abortfolding = python:$TESTDIR/abortfolding.py:abortfolding
+  > pretxncommit.abortfolding = python:$TESTTMP/abortfolding.py:abortfolding
   > EOF
 
-  $ cat > $TESTDIR/editor.sh << EOF
+  $ cat > $TESTTMP/editor.sh << EOF
   > echo "==== before editing"
   > cat \$1
   > echo "===="
@@ -128,7 +128,7 @@
   > EOF
 
   $ rm -f .hg/last-message.txt
-  $ HGEDITOR="sh $TESTDIR/editor.sh" hg histedit 6de59d13424a --commands - 2>&1 <<EOF | fixbundle
+  $ HGEDITOR="sh $TESTTMP/editor.sh" hg histedit 6de59d13424a --commands - 2>&1 <<EOF | fixbundle
   > pick 6de59d13424a f
   > fold 9c277da72c9b d
   > EOF

--- a/tests/test-largefiles.t	Tue Mar 18 14:29:33 2014 -0700
+++ b/tests/test-largefiles.t	Mon Mar 31 10:12:07 2014 -0500
@@ -2287,4 +2287,30 @@
   $ test -d clone-pull-dst
   [1]
 
+#if serve
+
+Test largefiles specific peer setup, when largefiles is enabled
+locally (issue4109)
+
+  $ hg showconfig extensions | grep largefiles
+  extensions.largefiles=!
+  $ mkdir -p $TESTTMP/individualenabling/usercache
+
+  $ hg serve -R enabledlocally -d -p $HGPORT --pid-file hg.pid
+  $ cat hg.pid >> $DAEMON_PIDS
+
+  $ hg init pull-dst
+  $ cat > pull-dst/.hg/hgrc <<EOF
+  > [extensions]
+  > # enable locally
+  > largefiles=
+  > [largefiles]
+  > # ignore system cache to force largefiles specific wire proto access
+  > usercache=$TESTTMP/individualenabling/usercache
+  > EOF
+  $ hg -R pull-dst -q pull -u http://localhost:$HGPORT
+
+  $ "$TESTDIR/killdaemons.py" $DAEMON_PIDS
+#endif
+
   $ cd ..

--- a/tests/test-mq-qfold.t	Tue Mar 18 14:29:33 2014 -0700
+++ b/tests/test-mq-qfold.t	Mon Mar 31 10:12:07 2014 -0500
@@ -144,7 +144,7 @@
 
   $ hg qrefresh -m "original message"
 
-  $ cat > $TESTDIR/commitfailure.py <<EOF
+  $ cat > $TESTTMP/commitfailure.py <<EOF
   > from mercurial import util
   > def reposetup(ui, repo):
   >     class commitfailure(repo.__class__):
@@ -155,10 +155,10 @@
 
   $ cat > .hg/hgrc <<EOF
   > [extensions]
-  > commitfailure = $TESTDIR/commitfailure.py
+  > commitfailure = $TESTTMP/commitfailure.py
   > EOF
 
-  $ cat > $TESTDIR/editor.sh << EOF
+  $ cat > $TESTTMP/editor.sh << EOF
   > echo "==== before editing"
   > cat \$1
   > echo "===="
@@ -166,7 +166,7 @@
   > EOF
 
   $ rm -f .hg/last-message.txt
-  $ HGEDITOR="sh $TESTDIR/editor.sh" hg qfold -e p3
+  $ HGEDITOR="sh $TESTTMP/editor.sh" hg qfold -e p3
   ==== before editing
   original message====
   refresh interrupted while patch was popped! (revert --all, qpush to recover)

--- a/tests/test-mq-qnew.t	Tue Mar 18 14:29:33 2014 -0700
+++ b/tests/test-mq-qnew.t	Mon Mar 31 10:12:07 2014 -0500
@@ -239,7 +239,7 @@
   $ hg init repo
   $ cd repo
 
-  $ cat > $TESTDIR/commitfailure.py <<EOF
+  $ cat > $TESTTMP/commitfailure.py <<EOF
   > from mercurial import util
   > def reposetup(ui, repo):
   >     class commitfailure(repo.__class__):
@@ -249,10 +249,10 @@
   > EOF
   $ cat > .hg/hgrc <<EOF
   > [extensions]
-  > commitfailure = $TESTDIR/commitfailure.py
+  > commitfailure = $TESTTMP/commitfailure.py
   > EOF
 
-  $ cat > $TESTDIR/editor.sh << EOF
+  $ cat > $TESTTMP/editor.sh << EOF
   > echo "==== before editing"
   > cat \$1
   > echo "===="
@@ -260,7 +260,7 @@
   > EOF
 
   $ rm -f .hg/last-message.txt
-  $ HGEDITOR="sh $TESTDIR/editor.sh" hg qnew -e patch
+  $ HGEDITOR="sh $TESTTMP/editor.sh" hg qnew -e patch
   ==== before editing
   ====
   abort: emulating unexpected abort