$ git clone -n https://src.fedoraproject.org/rpms/mindless.git /var/lib/mock/f40-build-2297346-56456/root/chroot_tmpdir/scmroot/mindless
Cloning into '/var/lib/mock/f40-build-2297346-56456/root/chroot_tmpdir/scmroot/mindless'...
$ git fetch origin 96e7002d7fa0457d0248928c0e6a424921cd7ac6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mindless
 * [new ref]         96e7002d7fa0457d0248928c0e6a424921cd7ac6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96e7002 Orphaned for 6+ weeks