overwrite old xorg.conf if it's from us
authorChristian Hofstaedtler <ch@grml.org>
Mon, 15 Nov 2010 19:48:10 +0000 (20:48 +0100)
committerChristian Hofstaedtler <ch@grml.org>
Mon, 15 Nov 2010 19:54:28 +0000 (20:54 +0100)
also don't rely on os.unlink, and just let the sudo'd mv handle the
existing file.


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