$ git clone -n https://src.fedoraproject.org/rpms/unifont.git /var/lib/mock/f39-build-1757349-41483/root/chroot_tmpdir/scmroot/unifont
Cloning into '/var/lib/mock/f39-build-1757349-41483/root/chroot_tmpdir/scmroot/unifont'...
$ git fetch origin 30404c76eb45abde2bafdf339f09d18d013536d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/unifont
 * [new ref]         30404c76eb45abde2bafdf339f09d18d013536d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30404c7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild