#!/bin/bash

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="$(cd "${SCRIPT_DIR}/.." && pwd)"

inputs=(
    "${PROJECT_DIR}/Dockerfile.cicd-base"
    "${PROJECT_DIR}/.dockerignore"
)

for input in "${inputs[@]}"; do
    if [[ ! -f "${input}" ]]; then
        echo "missing hash input: ${input}" >&2
        exit 1
    fi
done

sha256sum "${inputs[@]}" | sha256sum | cut -c1-16