$ git clone -n https://src.fedoraproject.org/rpms/python-esphomeflasher.git /var/lib/mock/f40-build-2258211-54339/root/chroot_tmpdir/scmroot/python-esphomeflasher
Cloning into '/var/lib/mock/f40-build-2258211-54339/root/chroot_tmpdir/scmroot/python-esphomeflasher'...
$ git fetch origin b014724804dc75d4935bfa96e96a9e00467a3370:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-esphomeflasher
 * [new ref]         b014724804dc75d4935bfa96e96a9e00467a3370 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b014724 Does not work (rhbz#2214588) and dead upstream