$ git clone -n https://src.fedoraproject.org/rpms/rpm-ostree.git /var/lib/mock/f33-build-318792-57865/root/chroot_tmpdir/scmroot/rpm-ostree
Cloning into '/var/lib/mock/f33-build-318792-57865/root/chroot_tmpdir/scmroot/rpm-ostree'...
$ git reset --hard da1db8dd5429473d70ff3d65264139ba85b98a44
HEAD is now at da1db8d Release 2020.3