$ git clone -n https://src.fedoraproject.org/rpms/coin-or-Cgl.git /var/lib/mock/f40-build-788601-135267/root/chroot_tmpdir/scmroot/coin-or-Cgl
Cloning into '/var/lib/mock/f40-build-788601-135267/root/chroot_tmpdir/scmroot/coin-or-Cgl'...
$ git fetch origin d97e430eb8a18db4d3e6abcc511b31ddab6eb8bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coin-or-Cgl
 * [new ref]         d97e430eb8a18db4d3e6abcc511b31ddab6eb8bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d97e430 Version 0.60.8