$ git clone -n https://src.fedoraproject.org/rpms/rpm-ostree.git /var/lib/mock/f33-build-538604-65039/root/chroot_tmpdir/scmroot/rpm-ostree
Cloning into '/var/lib/mock/f33-build-538604-65039/root/chroot_tmpdir/scmroot/rpm-ostree'...
$ git reset --hard e0b1dfbe1225f55f9a1cff49c3da9530bea346c5
HEAD is now at e0b1dfb https://github.com/coreos/rpm-ostree/releases/tag/v2021.2