$ git clone -n https://src.fedoraproject.org/rpms/coin-or-FlopC++.git /var/lib/mock/f39-build-1600429-38537/root/chroot_tmpdir/scmroot/coin-or-FlopC++
Cloning into '/var/lib/mock/f39-build-1600429-38537/root/chroot_tmpdir/scmroot/coin-or-FlopC++'...
$ git fetch origin 89356c49f7ec958ce4ac6bc9f0348a39aeb64f11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coin-or-FlopC++
 * [new ref]         89356c49f7ec958ce4ac6bc9f0348a39aeb64f11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89356c4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild