--- a/hgext/largefiles/overrides.py	Wed Apr 13 01:45:45 2016 +0200
+++ b/hgext/largefiles/overrides.py	Sun Mar 27 13:00:28 2016 -0700
@@ -801,6 +801,21 @@
         ui.status(_("%d largefiles cached\n") % numcached)
     return result
 
+def overridepush(orig, ui, repo, *args, **kwargs):
+    """Override push command and store --lfrev parameters in opargs"""
+    lfrevs = kwargs.pop('lfrev', None)
+    if lfrevs:
+        opargs = kwargs.setdefault('opargs', {})
+        opargs['lfrevs'] = scmutil.revrange(repo, lfrevs)
+    return orig(ui, repo, *args, **kwargs)
+
+def exchangepushoperation(orig, *args, **kwargs):
+    """Override pushoperation constructor and store lfrevs parameter"""
+    lfrevs = kwargs.pop('lfrevs', None)
+    pushop = orig(*args, **kwargs)
+    pushop.lfrevs = lfrevs
+    return pushop
+
 revsetpredicate = registrar.revsetpredicate()
 
 @revsetpredicate('pulled()')

--- a/hgext/largefiles/reposetup.py	Wed Apr 13 01:45:45 2016 +0200
+++ b/hgext/largefiles/reposetup.py	Sun Mar 27 13:00:28 2016 -0700
@@ -353,10 +353,14 @@
     repo._lfstatuswriters = [ui.status]
 
     def prepushoutgoinghook(pushop):
-        if pushop.outgoing.missing:
+        """Push largefiles for pushop before pushing revisions."""
+        lfrevs = pushop.lfrevs
+        if lfrevs is None:
+            lfrevs = pushop.outgoing.missing
+        if lfrevs:
             toupload = set()
             addfunc = lambda fn, lfhash: toupload.add(lfhash)
-            lfutil.getlfilestoupload(pushop.repo, pushop.outgoing.missing,
+            lfutil.getlfilestoupload(pushop.repo, lfrevs,
                                      addfunc)
             lfcommands.uploadlfiles(ui, pushop.repo, pushop.remote, toupload)
     repo.prepushoutgoinghooks.add("largefiles", prepushoutgoinghook)

--- a/hgext/largefiles/uisetup.py	Wed Apr 13 01:45:45 2016 +0200
+++ b/hgext/largefiles/uisetup.py	Sun Mar 27 13:00:28 2016 -0700
@@ -9,7 +9,7 @@
 '''setup for largefiles extension: uisetup'''
 
 from mercurial import archival, cmdutil, commands, extensions, filemerge, hg, \
-    httppeer, merge, scmutil, sshpeer, wireproto, subrepo, copies
+    httppeer, merge, scmutil, sshpeer, wireproto, subrepo, copies, exchange
 from mercurial.i18n import _
 from mercurial.hgweb import hgweb_mod, webcommands
 
@@ -84,6 +84,14 @@
                 _('download largefiles for these revisions'), _('REV'))]
     entry[1].extend(pullopt)
 
+    entry = extensions.wrapcommand(commands.table, 'push',
+                                   overrides.overridepush)
+    pushopt = [('', 'lfrev', [],
+                _('upload largefiles for these revisions'), _('REV'))]
+    entry[1].extend(pushopt)
+    entry = extensions.wrapfunction(exchange, 'pushoperation',
+                                    overrides.exchangepushoperation)
+
     entry = extensions.wrapcommand(commands.table, 'clone',
                                    overrides.overrideclone)
     cloneopt = [('', 'all-largefiles', None,

--- a/tests/test-largefiles-cache.t	Wed Apr 13 01:45:45 2016 +0200
+++ b/tests/test-largefiles-cache.t	Sun Mar 27 13:00:28 2016 -0700
@@ -235,4 +235,20 @@
   abort: largefile e2fb5f2139d086ded2cb600d5a91a196e76bf020 missing from store (needs to be uploaded)
   [255]
 
+Verify that --lfrev controls which revisions are checked for largefiles to push
+
+  $ hg push http://localhost:$HGPORT2 -f --config largefiles.usercache=nocache --lfrev tip
+  pushing to http://localhost:$HGPORT2/
+  searching for changes
+  abort: largefile e2fb5f2139d086ded2cb600d5a91a196e76bf020 missing from store (needs to be uploaded)
+  [255]
+
+  $ hg push http://localhost:$HGPORT2 -f --config largefiles.usercache=nocache --lfrev null
+  pushing to http://localhost:$HGPORT2/
+  searching for changes
+  remote: adding changesets
+  remote: adding manifests
+  remote: adding file changes
+  remote: added 1 changesets with 1 changes to 1 files (+1 heads)
+
 #endif