wait_k8sync.alias.sh

#!/bin/bash

# Prerequisites:
# - `/bin/bash` and `shasum` available in pod

function wait_k8sync() {
    local pod=$1
    local file_local=$2
    local file_remote=$3

    echo -n Waiting for remote file ${file_remote} to reflect changes from ${file_local}...
    while ! diff <(shasum ${file_local} | cut -b 1-8 ) <(kubectl exec ${pod} /bin/bash -- -c "shasum ${file_remote} | cut -b 1-8") > /dev/null; do
        echo -n .
        sleep 1
    done
    echo file is up to date
}