add VimuxPromptString

Author: renewablejohn

doc/vimux.txt

@@ -291,6 +291,17 @@ The keys sent to the runner pane before running a command. By default it sends
 
 Default: "q C-u"
 
+------------------------------------------------------------------------------
+                                                             *VimuxPromptString*
+2.5 g:VimuxPromptString~
+
+The string presented in the vim command line when Vimux is invoked. Be sure
+to put a space at the end of the string to allow for distinction between
+the prompt and your input.
+
+  let g:VimuxPromptString = ""
+
+Default: "Command? "
 
 ==============================================================================
 vim:tw=78:ts=2:sw=2:expandtab:ft=help:norl:

plugin/vimux.vim

@@ -154,7 +154,11 @@ endfunction
 
 
 function VimuxPromptCommand()
-  let l:command = input("Command? ")
+  if exists("g:VimuxPromptString")
+    let l:command = input(g:VimuxPromptString)
+  elseif
+    let l:command = input("Command? ")
+  endif
   call VimuxRunCommand(l:command)
 endfunction
 
@@ -315,14 +319,10 @@ class TmuxSession
   end
 
   def _send_command(command, target, auto_return = true)
-    _run("send-keys -t #{target} \"#{_escape_command(command)}\"")
+    _run("send-keys -t #{target} \"#{command.gsub('"', '\"')}\"")
     _run("send-keys -t #{target} Enter") if auto_return
   end
 
-  def _escape_command(command)
-    command.gsub('"', '\"').gsub('$', '\$')
-  end
-
   def _run(command)
     `tmux #{command}`
   end