$ git clone -n https://src.fedoraproject.org/rpms/java-packaging-howto.git /var/lib/mock/f40-build-2600570-63133/root/chroot_tmpdir/scmroot/java-packaging-howto
Cloning into '/var/lib/mock/f40-build-2600570-63133/root/chroot_tmpdir/scmroot/java-packaging-howto'...
$ git fetch origin 25aa67ab47bacfa58596681dbebdc8dace55102e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/java-packaging-howto
 * [new ref]         25aa67ab47bacfa58596681dbebdc8dace55102e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25aa67a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild