convert: raise Abort instead of NoRepo when CVS pserver auth fails. At this point we know the source is CVS, so we should not go through the rest of the converters.

#!/bin/sh

hg init
python -c 'print "confuse str.splitlines\nembedded\rnewline"' > a
hg ci -Ama -d '1 0'
echo clean diff >> a
hg ci -mb -d '2 0'
hg diff -r0 -r1