From f8f33ed2525689c9c78a5be741d36aa02a81b34c Mon Sep 17 00:00:00 2001
From: Doug Krieger <dougkrieger@gmail.com>
Date: Mon, 11 Jul 2016 18:48:24 -0400
Subject: [PATCH] Extend Vimux to add option 'VimuxUseLast'

---
 plugin/vimux.vim | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/plugin/vimux.vim b/plugin/vimux.vim
index 9170668..98cd222 100644
--- a/plugin/vimux.vim
+++ b/plugin/vimux.vim
@@ -66,8 +66,11 @@ endfunction
 
 function! VimuxOpenRunner()
   let nearestIndex = _VimuxNearestIndex()
+  let lastIndex = _VimuxLastIndex()
 
-  if _VimuxOption("g:VimuxUseNearest", 1) == 1 && nearestIndex != -1
+  if _VimuxOption("g:VimuxUseLast", 1) == 1 && lastIndex != -1
+    let g:VimuxRunnerIndex = lastIndex
+  elseif _VimuxOption("g:VimuxUseNearest", 1) == 1 && nearestIndex != -1
     let g:VimuxRunnerIndex = nearestIndex
   else
     if _VimuxRunnerType() == "pane"
@@ -182,6 +185,22 @@ function! _VimuxNearestIndex()
   return -1
 endfunction
 
+function! _VimuxLastIndex()
+
+  let currentID = _VimuxTmuxPaneIndex()
+
+  call _VimuxTmux("last-pane")
+  let lastID = _VimuxTmuxPaneIndex()
+  call _VimuxTmux("last-pane")
+
+  if currentID != lastID
+    return lastID
+  else
+    return -1
+  endif
+
+endfunction
+
 function! _VimuxRunnerType()
   return _VimuxOption("g:VimuxRunnerType", "pane")
 endfunction