$ git clone -n https://src.fedoraproject.org/rpms/coin-or-OS.git /var/lib/mock/f41-build-1046843-19101/root/chroot_tmpdir/scmroot/coin-or-OS
Cloning into '/var/lib/mock/f41-build-1046843-19101/root/chroot_tmpdir/scmroot/coin-or-OS'...
$ git fetch origin c91d37e27e4888f57334077fc96416e3837485cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coin-or-OS
 * [new ref]         c91d37e27e4888f57334077fc96416e3837485cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c91d37e Rebuild for soplex 7.0.0