$ git clone -n https://src.fedoraproject.org/rpms/coin-or-Osi.git /var/lib/mock/f45-build-4868-334/root/chroot_tmpdir/scmroot/coin-or-Osi
Cloning into '/var/lib/mock/f45-build-4868-334/root/chroot_tmpdir/scmroot/coin-or-Osi'...
$ git fetch origin dd4cabfe3b179a5bda07da0ffe16253791a0299f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coin-or-Osi
 * [new ref]         dd4cabfe3b179a5bda07da0ffe16253791a0299f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd4cabf Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild