tests/test-diff-newlines

subrepo: correctly handle update -C with modified subrepos (issue2022)

(based on a patch by Saint Germain)

#!/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