$ git clone -n https://src.fedoraproject.org/rpms/mercurial.git /var/lib/mock/f40-build-773905-127464/root/chroot_tmpdir/scmroot/mercurial
Cloning into '/var/lib/mock/f40-build-773905-127464/root/chroot_tmpdir/scmroot/mercurial'...
$ git reset --hard 99bc18dfd42f3f903a8b6598803d0e73818a291c
HEAD is now at 99bc18d mercurial 6.6.2