tests/test-issue1089

test-init: replace 'echo -n' with 'printf'

The '-n' argument to echo is a non-standard extension that isn't
supported on Mac OS X 10.6.

#!/bin/sh

hg init a
cd a
mkdir a
echo a > a/b
hg ci -Am m
hg rm a
hg ci -m m a

mkdir a b
echo a > a/b
hg ci -Am m
hg rm a
cd b
# relative delete
hg ci -m m ../a