New configuration option g:VimuxSocketPath

It allows to specify tmux socket path

Author: jajm

doc/vimux.txt

@@ -447,5 +447,15 @@ previously-run commands in VimuxPromptCommand.
 <
 Default: 1
 
+------------------------------------------------------------------------------
+                                                             *VimuxSocketPath*
+4.13 g:VimuxSocketPath~
+
+The path to the tmux socket path. See tmux option `-S`
+>
+  let g:VimuxSocketPath = "/path/to/tmux-socket"
+<
+Default: ""
+
 ==============================================================================
 vim:tw=78:ts=2:sw=2:expandtab:ft=help:norl:

plugin/vimux.vim

@@ -188,10 +188,14 @@ function! VimuxPromptCommand(...)
 endfunction
 
 function! VimuxTmux(arguments)
+  let command = VimuxOption('VimuxTmuxCommand')
+  if exists("g:VimuxSocketPath")
+    let command .= ' -S ' . g:VimuxSocketPath
+  endif
   if VimuxOption('VimuxDebug')
-    echom VimuxOption('VimuxTmuxCommand').' '.a:arguments
+    echom command.' '.a:arguments
   endif
-  return system(VimuxOption('VimuxTmuxCommand').' '.a:arguments)
+  return system(command.' '.a:arguments)
 endfunction
 
 function! s:tmuxSession()