$ git clone -n https://src.fedoraproject.org/rpms/maven-mapping.git /var/lib/mock/f38-build-side-42-init-devel-784954-27955/root/chroot_tmpdir/scmroot/maven-mapping
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-784954-27955/root/chroot_tmpdir/scmroot/maven-mapping'...
$ git fetch origin 09156da3bcccd7812b1b3d82a3bb6844ba8bd0df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-mapping
 * [new ref]         09156da3bcccd7812b1b3d82a3bb6844ba8bd0df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 09156da Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild