tests/test-dirstatedirs

setup: run hg with empty HGRCPATH for robustness.

Otherwise a bad hgrc file can make the version detection fail.

#!/bin/sh

# test dirstate._dirs refcounting
hg init t
cd t
mkdir -p a/b/c/d
touch a/b/c/d/x
touch a/b/c/d/y
touch a/b/c/d/z
hg ci -Am m
hg mv a z