posix: move a global fcntl import to keep it from breaking jython
Only needed on darwin, anyway.
#!/bin/sh
#
hg init foo
cd foo
touch a
unset HGUSER
echo "[ui]" >> .hg/hgrc
echo "username= foo" >> .hg/hgrc
echo " bar1" >> .hg/hgrc
hg ci -Am m
rm .hg/hgrc
HGUSER=`(echo foo; echo bar2)` hg ci -Am m
hg ci -Am m -u "`(echo foo; echo bar3)`"
true