$ git clone -n https://src.fedoraproject.org/rpms/ike-scan.git /var/lib/mock/f40-build-2701536-70448/root/chroot_tmpdir/scmroot/ike-scan
Cloning into '/var/lib/mock/f40-build-2701536-70448/root/chroot_tmpdir/scmroot/ike-scan'...
$ git fetch origin 18a499b1b4e62c28096bedfb3b5e6453d52390d6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ike-scan
 * [new ref]         18a499b1b4e62c28096bedfb3b5e6453d52390d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18a499b Exclude i686 (closes rhbz#2261245)