$ git clone -n https://src.fedoraproject.org/rpms/cbmc.git /var/lib/mock/f40-build-764272-122902/root/chroot_tmpdir/scmroot/cbmc
Cloning into '/var/lib/mock/f40-build-764272-122902/root/chroot_tmpdir/scmroot/cbmc'...
$ git fetch origin 1df7fa7b5d33e7065573d47fcb88ee23e8c9494a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cbmc
 * [new ref]         1df7fa7b5d33e7065573d47fcb88ee23e8c9494a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1df7fa7 Update to 5.95.1