From abf648110695e64d9e93d221b0c5329fae93f5e2 Mon Sep 17 00:00:00 2001
From: Olivier Trempe <none@none>
Date: Fri, 20 May 2016 08:08:57 -0700
Subject: [PATCH] windows: grp module not supported

On windows the grp module is not present, so we need to avoid importing it. This
means the shared group feature of remotefilelog is not supported on windows.
---
 remotefilelog/basestore.py        | 10 ++++++++--
 remotefilelog/fileserverclient.py |  5 ++++-
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/remotefilelog/basestore.py b/remotefilelog/basestore.py
index 2eaa5a2d4d..5e0e12037e 100644
--- a/remotefilelog/basestore.py
+++ b/remotefilelog/basestore.py
@@ -1,9 +1,12 @@
-import errno, grp, os, shutil, time
+import errno, os, shutil, stat, time
 import shallowutil
-from mercurial import util
+from mercurial import error, util
 from mercurial.i18n import _
 from mercurial.node import bin, hex
 
+if os.name != 'nt':
+    import grp
+
 class basestore(object):
     def __init__(self, repo, path, reponame, shared=False):
         """Creates a remotefilelog store object for the given repo name.
@@ -40,6 +43,9 @@ class basestore(object):
 
                     groupname = self.ui.config("remotefilelog", "cachegroup")
                     if groupname:
+                        if os.name == 'nt':
+                            raise error.Abort(_('cachegroup option not'
+                                                ' supported on Windows'))
                         gid = grp.getgrnam(groupname).gr_gid
                         if gid:
                             os.chown(path, os.getuid(), gid)
diff --git a/remotefilelog/fileserverclient.py b/remotefilelog/fileserverclient.py
index 00d8d48a59..b81d85beb1 100644
--- a/remotefilelog/fileserverclient.py
+++ b/remotefilelog/fileserverclient.py
@@ -9,13 +9,16 @@ from mercurial.i18n import _
 from mercurial.node import hex, bin
 from mercurial import util, sshpeer, hg, error, util, wireproto, node, httppeer
 from mercurial import scmutil
-import os, socket, lz4, time, grp, io, struct
+import os, socket, lz4, time, io, struct
 import errno
 import itertools
 
 import constants, datapack, historypack, shallowutil
 from shallowutil import readexactly, readunpack
 
+if os.name != 'nt':
+    import grp
+
 # Statistics for debugging
 fetchcost = 0
 fetches = 0