[test] add unit tests for ruleset
We extract the rules building logic from readfile into a Ruleset.buildrules()
method to ease testing.
#!/bin/sh
set -e
. /action/env
if ${CHROOT_TEST_INSTALLDEB:-false} ; then
/usr/share/mercurial-server/refresh-auth
else
/usr/local/share/mercurial-server/refresh-auth
fi