$ git clone -n https://src.fedoraproject.org/rpms/crosswords.git /var/lib/mock/f40-build-2433065-60685/root/chroot_tmpdir/scmroot/crosswords
Cloning into '/var/lib/mock/f40-build-2433065-60685/root/chroot_tmpdir/scmroot/crosswords'...
$ git fetch origin aa50814e0f612ef17bf00519acfa6bdf7be64332:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/crosswords
 * [new ref]         aa50814e0f612ef17bf00519acfa6bdf7be64332 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa50814 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild