$ git clone -n https://src.fedoraproject.org/rpms/foremost.git /var/lib/mock/f45-build-9170-399/root/chroot_tmpdir/scmroot/foremost
Cloning into '/var/lib/mock/f45-build-9170-399/root/chroot_tmpdir/scmroot/foremost'...
$ git fetch origin 4f5911a5c23ce43a0cfa21079abefc3e512e190c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/foremost
 * [new ref]         4f5911a5c23ce43a0cfa21079abefc3e512e190c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f5911a drop ix86 support