$ git clone -n https://src.fedoraproject.org/rpms/systemtap.git /var/lib/mock/f38-build-699644-87663/root/chroot_tmpdir/scmroot/systemtap
Cloning into '/var/lib/mock/f38-build-699644-87663/root/chroot_tmpdir/scmroot/systemtap'...
$ git reset --hard 6b7d1588abfa6c03afefcb0ee282d194accb6c99
HEAD is now at 6b7d158 respin with important upstream fixes