initializes knative env vars for minishift/minikube

init_knative_env.sh

#!/bin/bash
#
# This script sets up environment variables needed for knative development. See
# https://github.com/knative/serving/blob/master/DEVELOPMENT.md for more info.
#
# Note that the script assumes that either minishift or minikube is running.

if  minishift status | grep -q "Running" ; then
  eval $(minishift oc-env)
  eval $(minishift docker-env)
  export K8S_CLUSTER_OVERRIDE=$(minishift ip | sed -e 's/\./\-/g'):8443
  export K8S_USER_OVERRIDE=admin
elif minikube status | grep -q "Running"; then
  eval $(minikube docker-env)
  export K8S_CLUSTER_OVERRIDE=$(minikube ip | sed -e 's/\./\-/g'):8443
  export K8S_USER_OVERRIDE=$USERNAME
fi

export KO_DOCKER_REPO='ko.local'
export DOCKER_REPO_OVERRIDE="${KO_DOCKER_REPO}"