guests/linux: rsync chown group if owner now set [GH-3223]

CHANGELOG.md

@@ -19,6 +19,7 @@ BUG FIXES:
   - guests/fedora: Fix hostname setting. [GH-3382]
   - guests/fedora: Support predictable network interface names for
       public/private networks. [GH-3207]
+  - guests/linux: Rsync folders have proper group if owner not set. [GH-3223]
   - guests/linux: If SMB folder mounting fails, the password will no
       longer be shown in plaintext in the output. [GH-3203]
   - guests/linux: SMB mount works with passwords with symbols. [GH-3202]

plugins/guests/linux/cap/rsync.rb

@@ -18,7 +18,7 @@ module VagrantPlugins
 
         def self.rsync_post(machine, opts)
           machine.communicate.tap do |comm|
-            comm.sudo("find '#{opts[:guestpath]}' ! -user #{opts[:owner]} -print0 | " +
+            comm.sudo("find '#{opts[:guestpath]}' ! -user #{opts[:owner]} -or ! -group #{opts[:group]} -print0 | " +
               "xargs -0 -r chown -v #{opts[:owner]}:#{opts[:group]}")
           end
         end