$ git clone -n https://src.fedoraproject.org/rpms/dav1d.git /var/lib/mock/f40-build-2209104-52150/root/chroot_tmpdir/scmroot/dav1d
Cloning into '/var/lib/mock/f40-build-2209104-52150/root/chroot_tmpdir/scmroot/dav1d'...
$ git fetch origin 85474fe3f1532eacf0599f4485be24c1c9f2ad08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dav1d
 * [new ref]         85474fe3f1532eacf0599f4485be24c1c9f2ad08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85474fe Migrate to SPDX license