$ git clone -n https://src.fedoraproject.org/rpms/task.git /var/lib/mock/f40-build-792490-138440/root/chroot_tmpdir/scmroot/task
Cloning into '/var/lib/mock/f40-build-792490-138440/root/chroot_tmpdir/scmroot/task'...
$ git fetch origin bb861659fdcfb8719c2dc356a8806b3c6510adc2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/task
 * [new ref]         bb861659fdcfb8719c2dc356a8806b3c6510adc2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb86165 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild