clone: provide sample username = config entry in .hg/hgrc (issue4359)
Some users clone from a server before ever running 'hg config --edit',
so they don't see our helpful template for things like enabling the
username. Attempt to give them some helpful guidance.
#!/bin/sh
# This scripts is used to setup temp directory in memory
# for running Mercurial tests in vritual machine managed
# by Vagrant (see Vagrantfile for details).
cd /hgshared
make local
cd tests
mkdir /tmp/ram
sudo mount -t tmpfs -o size=100M tmpfs /tmp/ram
export TMPDIR=/tmp/ram
./run-tests.py -l --time