$ git clone -n https://src.fedoraproject.org/rpms/coin-or-CoinMP.git /var/lib/mock/f40-build-788602-135267/root/chroot_tmpdir/scmroot/coin-or-CoinMP
Cloning into '/var/lib/mock/f40-build-788602-135267/root/chroot_tmpdir/scmroot/coin-or-CoinMP'...
$ git fetch origin a5eb94aab82c2eac5e2c5b9a1a652f33f833627f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coin-or-CoinMP
 * [new ref]         a5eb94aab82c2eac5e2c5b9a1a652f33f833627f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5eb94a Stop building for 32-bit x86