$ git clone -n https://src.fedoraproject.org/rpms/clpeak.git /var/lib/mock/f45-build-4262-331/root/chroot_tmpdir/scmroot/clpeak
Cloning into '/var/lib/mock/f45-build-4262-331/root/chroot_tmpdir/scmroot/clpeak'...
$ git fetch origin b87d0d9c3c67fe817324e3a6a85658255e1a2a37:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clpeak
 * [new ref]         b87d0d9c3c67fe817324e3a6a85658255e1a2a37 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b87d0d9 Update to 2.1.4 upstream release