$ git clone -n https://src.fedoraproject.org/rpms/coin-or-Cgl.git /var/lib/mock/f45-build-4851-334/root/chroot_tmpdir/scmroot/coin-or-Cgl
Cloning into '/var/lib/mock/f45-build-4851-334/root/chroot_tmpdir/scmroot/coin-or-Cgl'...
$ git fetch origin 4979537dbd225bbccb682015e71ec4a168b06efb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coin-or-Cgl
 * [new ref]         4979537dbd225bbccb682015e71ec4a168b06efb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4979537 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild