$ git clone -n https://src.fedoraproject.org/rpms/rocsolver.git /var/lib/mock/f40-build-1183229-21996/root/chroot_tmpdir/scmroot/rocsolver
Cloning into '/var/lib/mock/f40-build-1183229-21996/root/chroot_tmpdir/scmroot/rocsolver'...
$ git fetch origin 8d4b7f1a7463df5eb38afc94ded1602efd79098b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rocsolver
 * [new ref]         8d4b7f1a7463df5eb38afc94ded1602efd79098b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d4b7f1 Update to 6.0.0