$ git clone -n https://src.fedoraproject.org/rpms/maven2.git /var/lib/mock/f38-build-side-42-init-devel-759548-27691/root/chroot_tmpdir/scmroot/maven2
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-759548-27691/root/chroot_tmpdir/scmroot/maven2'...
$ git fetch origin e4a45331e1edaa8c3edfc7a3e49501265b130433:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven2
 * [new ref]         e4a45331e1edaa8c3edfc7a3e49501265b130433 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4a4533 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild