$ git clone -n https://src.fedoraproject.org/rpms/alot.git /var/lib/mock/f41-build-side-1-2771925-32257/root/chroot_tmpdir/scmroot/alot
Cloning into '/var/lib/mock/f41-build-side-1-2771925-32257/root/chroot_tmpdir/scmroot/alot'...
$ git fetch origin 8f236012b333d09eb235f1bec9f12dc6848e9e21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/alot
 * [new ref]         8f236012b333d09eb235f1bec9f12dc6848e9e21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8f23601 alot 0.11