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-rw-r--r--autoload/xolox/misc/compat.vim23
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+" Vim auto-load script
+" Author: Peter Odding <peter@peterodding.com>
+" Last Change: April 20, 2013
+" URL: http://peterodding.com/code/vim/misc/
+
+" The following integer will be bumped whenever a change in the miscellaneous
+" scripts breaks backwards compatibility. This enables my Vim plug-ins to fail
+" early when they detect an incompatible version, instead of breaking at the
+" worst possible moments :-).
+let g:xolox#misc#compat#version = 1
+
+" Remember the directory where the miscellaneous scripts are loaded from
+" so the user knows which plug-in to update if incompatibilities arise.
+let s:misc_directory = fnamemodify(expand('<sfile>'), ':p:h')
+
+function! xolox#misc#compat#check(plugin_name, required_version)
+ if a:required_version != g:xolox#misc#compat#version
+ let msg = "The %s plug-in requires version %i of the miscellaneous scripts, however version %i was loaded from %s!"
+ throw printf(msg, a:plugin_name, a:required_version, g:xolox#misc#compat#version, s:misc_directory)
+ endif
+endfunction
+
+" vim: ts=2 sw=2 et