diff --git a/mercurial/exchangev2.py b/mercurial/exchangev2.py
--- a/mercurial/exchangev2.py
+++ b/mercurial/exchangev2.py
@@ -19,6 +19,7 @@
     bookmarks,
     error,
     mdiff,
+    narrowspec,
     phases,
     pycompat,
     setdiscovery,
@@ -30,6 +31,14 @@
     remote = pullop.remote
     tr = pullop.trmanager.transaction()
 
+    # We don't use the repo's narrow matcher here because the patterns passed
+    # to exchange.pull() could be different.
+    narrowmatcher = narrowspec.match(repo.root,
+                                     # Empty maps to nevermatcher. So always
+                                     # set includes if missing.
+                                     pullop.includepats or {'path:.'},
+                                     pullop.excludepats)
+
     # Figure out what needs to be fetched.
     common, fetch, remoteheads = _pullchangesetdiscovery(
         repo, remote, pullop.heads, abortwhenunrelated=pullop.force)
@@ -63,7 +72,7 @@
 
     # Find all file nodes referenced by added manifests and fetch those
     # revisions.
-    fnodes = _derivefilesfrommanifests(repo, manres['added'])
+    fnodes = _derivefilesfrommanifests(repo, narrowmatcher, manres['added'])
     _fetchfiles(repo, tr, remote, fnodes, manres['linkrevs'])
 
 def _pullchangesetdiscovery(repo, remote, heads, abortwhenunrelated=True):
@@ -311,7 +320,7 @@
         'linkrevs': linkrevs,
     }
 
-def _derivefilesfrommanifests(repo, manifestnodes):
+def _derivefilesfrommanifests(repo, matcher, manifestnodes):
     """Determine what file nodes are relevant given a set of manifest nodes.
 
     Returns a dict mapping file paths to dicts of file node to first manifest
@@ -332,7 +341,8 @@
         md = m.readfast()
 
         for path, fnode in md.items():
-            fnodes[path].setdefault(fnode, manifestnode)
+            if matcher(path):
+                fnodes[path].setdefault(fnode, manifestnode)
 
     return fnodes
 
diff --git a/tests/test-fastcheckout.t b/tests/test-fastcheckout.t
--- a/tests/test-fastcheckout.t
+++ b/tests/test-fastcheckout.t
@@ -3,6 +3,8 @@
   $ cat >> $HGRCPATH << EOF
   > [extensions]
   > fastcheckout =
+  > [diff]
+  > git = true
   > EOF
 
   $ hg init server
@@ -32,8 +34,13 @@
   $ hg commit -A -m 'commit 3'
   adding dir0/file3.txt
 
+  $ hg cp dir1/file1.txt dir0/file1-copy.txt
+  $ hg commit -m 'commit 4'
+
   $ hg log -G -T '{rev}:{node} {desc}'
-  @  3:27c5539872f8d2cfd5b95cab1fcaaee9b9bf9459 commit 3
+  @  4:1816adf6a180913ad5db2a795fd09e02bd01657b commit 4
+  |
+  o  3:27c5539872f8d2cfd5b95cab1fcaaee9b9bf9459 commit 3
   |
   o  2:15c769176aab806212712ee9df382ebc7b63ade1 commit 2
   |
@@ -159,10 +166,6 @@
   narrow-dest0/.hg/store/data/dir0/child1/py1.py.i
   narrow-dest0/.hg/store/data/dir0/child1/py2.py.i
   narrow-dest0/.hg/store/data/dir0/file0.txt.i
-  narrow-dest0/.hg/store/data/dir1/file1.txt.i
-  narrow-dest0/.hg/store/data/dir1/file2.txt.i
-  narrow-dest0/.hg/store/data/dir1/py3.py.i
-  narrow-dest0/.hg/store/data/foo.i
   narrow-dest0/.hg/store/fncache
   narrow-dest0/.hg/store/narrowspec
   narrow-dest0/.hg/store/phaseroots
@@ -171,6 +174,66 @@
   narrow-dest0/.hg/store/undo.phaseroots
 #endif
 
+Incremental pull fetches new files in narrow spec
+
+  $ hg fastcheckout http://localhost:$HGPORT 27c5539872 narrow-dest0
+  fetching data from http://localhost:$HGPORT
+  searching for changes
+  new changesets 27c5539872f8
+  updating to 27c5539872f8
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+#if reporevlogstore
+  $ find narrow-dest0/.hg/store -type f | sort
+  narrow-dest0/.hg/store/00changelog.i
+  narrow-dest0/.hg/store/00manifest.i
+  narrow-dest0/.hg/store/data/dir0/child0/c.c.i
+  narrow-dest0/.hg/store/data/dir0/child0/py0.py.i
+  narrow-dest0/.hg/store/data/dir0/child1/py1.py.i
+  narrow-dest0/.hg/store/data/dir0/child1/py2.py.i
+  narrow-dest0/.hg/store/data/dir0/file0.txt.i
+  narrow-dest0/.hg/store/data/dir0/file3.txt.i
+  narrow-dest0/.hg/store/fncache
+  narrow-dest0/.hg/store/narrowspec
+  narrow-dest0/.hg/store/phaseroots
+  narrow-dest0/.hg/store/undo
+  narrow-dest0/.hg/store/undo.backup.fncache
+  narrow-dest0/.hg/store/undo.backup.phaseroots
+  narrow-dest0/.hg/store/undo.backupfiles
+  narrow-dest0/.hg/store/undo.phaseroots
+
+#endif
+
+Rename metadata for file outside of narrow spec is silently dropped
+
+  $ hg fastcheckout http://localhost:$HGPORT 1816adf6a18 narrow-dest0
+  fetching data from http://localhost:$HGPORT
+  searching for changes
+  new changesets 1816adf6a180
+  updating to 1816adf6a180
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+  $ hg --cwd narrow-dest0 diff -c .
+  diff --git a/dir0/file1-copy.txt b/dir0/file1-copy.txt
+  new file mode 100644
+  --- /dev/null
+  +++ b/dir0/file1-copy.txt
+  @@ -0,0 +1,1 @@
+  +0
+
+Rename metadata for file inside narrow spec is reported
+
+  $ hg fastcheckout http://localhost:$HGPORT 1816adf6a18 rename-included
+  fetching data from http://localhost:$HGPORT
+  new changesets 6a9937924083:1816adf6a180
+  updating to 1816adf6a180
+  11 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+  $ hg --cwd rename-included diff -c .
+  diff --git a/dir1/file1.txt b/dir0/file1-copy.txt
+  copy from dir1/file1.txt
+  copy to dir0/file1-copy.txt
+
 Should not have any server-side errors
 
   $ cat error.log