$ git clone -n https://src.fedoraproject.org/rpms/coin-or-Bcps.git /var/lib/mock/f40-build-788597-135267/root/chroot_tmpdir/scmroot/coin-or-Bcps
Cloning into '/var/lib/mock/f40-build-788597-135267/root/chroot_tmpdir/scmroot/coin-or-Bcps'...
$ git fetch origin 9090b034c130b4bced8b490bb883c45cdd36e419:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coin-or-Bcps
 * [new ref]         9090b034c130b4bced8b490bb883c45cdd36e419 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9090b03 Version 0.95.1