$ git clone -n https://src.fedoraproject.org/rpms/firefox.git /var/lib/mock/f33-build-605810-67332/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/f33-build-605810-67332/root/chroot_tmpdir/scmroot/firefox'...
$ git reset --hard fcf7279272de591c561bcced0694d1661f31e668
HEAD is now at fcf7279 Build fixes, test update