$ git clone -n https://src.fedoraproject.org/rpms/log4j.git /var/lib/mock/f38-build-side-42-init-devel-636896-26383/root/chroot_tmpdir/scmroot/log4j
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-636896-26383/root/chroot_tmpdir/scmroot/log4j'...
$ git fetch origin 6e5af8ea01cfaf9515128d35a9b666f914c15642:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/log4j
 * [new ref]         6e5af8ea01cfaf9515128d35a9b666f914c15642 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e5af8e Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild