#!/bin/bash
set -e

usage() {
cat &2
            exit
            ;;
        *)            
            break
    esac

    shift
done

readonly BASE_IMAGE_TAG
readonly TARGET_IMAGE_TAG

echo "Base: $BASE_IMAGE_TAG"
echo "Target: $TARGET_IMAGE_TAG"

docker pull "$BASE_IMAGE_TAG"

CMDS=('dpkg-query --show -f "${Package}==${Version}\n"' 'pip freeze')
for cmd in "${CMDS[@]}"; do
    echo "== Comparing $cmd =="
    diff --suppress-common-lines --side-by-side \