Make sure vim-misc is installed, politely complain if it isn't

Author: xolox

autoload/xolox/luainspect.vim

@@ -1,9 +1,9 @@
 " Vim script.
 " Author: Peter Odding <peter@peterodding.com>
-" Last Change: July 18, 2013
+" Last Change: August 19, 2013
 " URL: http://peterodding.com/code/vim/lua-inspect/
 
-let g:xolox#luainspect#version = '0.5'
+let g:xolox#luainspect#version = '0.5.1'
 
 function! xolox#luainspect#toggle_cmd() " {{{1
   if !(exists('b:luainspect_disabled') && b:luainspect_disabled)

doc/luainspect.txt

@@ -188,7 +188,7 @@ lua-inspect. If you like this plug-in please vote for it on Vim Online [14].
                                                            *luainspect-license*
 License ~
 
-This software is licensed under the MIT license [15]. © 2013 Peter Odding
+This software is licensed under the MIT license [15]. Š 2013 Peter Odding
 <peter@peterodding.com>.
 
 The source code repository and distributions contain bundled copies of

plugin/luainspect.vim

@@ -1,6 +1,6 @@
 " Vim plug-in
 " Author: Peter Odding <peter@peterodding.com>
-" Last Change: November 15, 2011
+" Last Change: August 19, 2013
 " URL: http://peterodding.com/code/vim/lua-inspect/
 
 " Support for automatic update using the GLVS plug-in.
@@ -11,6 +11,19 @@ if &cp || exists('g:loaded_luainspect')
   finish
 endif
 
+" Make sure vim-misc is installed.
+try
+  " The point of this code is to do something completely innocent while making
+  " sure the vim-misc plug-in is installed. We specifically don't use Vim's
+  " exists() function because it doesn't load auto-load scripts that haven't
+  " already been loaded yet (last tested on Vim 7.3).
+  call type(g:xolox#misc#version)
+catch
+  echomsg "Warning: The vim-lua-inspect plug-in requires the vim-misc plug-in which seems not to be installed! For more information please review the installation instructions in the readme (also available on the homepage and on GitHub). The vim-lua-inspect plug-in will now be disabled."
+  let g:loaded_luainspect = 1
+  finish
+endtry
+
 if !exists('g:lua_inspect_warnings')
   " Change this to disable automatic warning messages.
   let g:lua_inspect_warnings = 1