$ git clone -n https://src.fedoraproject.org/rpms/bluechi.git /var/lib/mock/f42-build-side-1-3505952-45995/root/chroot_tmpdir/scmroot/bluechi
Cloning into '/var/lib/mock/f42-build-side-1-3505952-45995/root/chroot_tmpdir/scmroot/bluechi'...
$ git fetch origin c133da8380af320211fe846038e31f7dc13b0af5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bluechi
 * [new ref]         c133da8380af320211fe846038e31f7dc13b0af5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c133da8 Update to 0.10.2 upstream release