$ git clone -n https://src.fedoraproject.org/rpms/dnf5.git /var/lib/mock/f39-build-1652886-40507/root/chroot_tmpdir/scmroot/dnf5
Cloning into '/var/lib/mock/f39-build-1652886-40507/root/chroot_tmpdir/scmroot/dnf5'...
$ git fetch origin c97a65b785e9fa45bb2f772482ecd13769e27436:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dnf5
 * [new ref]         c97a65b785e9fa45bb2f772482ecd13769e27436 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c97a65b [packit] 5.1.7 upstream release