run

#!/usr/bin/env bash

set -eo pipefail

function clean {
  # Remove machine generates files
  rm -rf test/output/*
  touch test/output/.keep
}

function ci:install-deps {
  # Install Continuous Integration (CI) dependencies
  sudo apt-get install -y --no-install-recommends shellcheck
}

function ci:test {
  # Execute Continuous Integration (CI) pipeline
  shellcheck run

  clean

  cd test

  file_1_input="input/static/hello/world/1.txt"

  file_1_output="output/hello/world/1.txt"
  file_2_output="output/hello/world/2.txt"

  # Run esbuild.
  node esbuild.config.js

  # Ensure both output files exist.
  [ -f "${file_1_output}" ] && [ -f "${file_2_output}" ]

  # Get the last modified time in Unix time (epoch).
  mtime_file_1_output_before="$(stat -c %Y "${file_1_output}")"
  mtime_file_2_output_before="$(stat -c %Y "${file_2_output}")"

  # Update one of the files.
  echo "modified this file" >> "${file_1_input}"

  # Generate a new set of static files by running esbuild again.
  node esbuild.config.js

  # Get the new last modified times.
  mtime_file_1_output_after="$(stat -c %Y "${file_1_output}")"
  mtime_file_2_output_after="$(stat -c %Y "${file_2_output}")"

  # The first file's time should be different but not the second one.
  [ "${mtime_file_1_output_before}" != "${mtime_file_1_output_after}" ]
  [ "${mtime_file_2_output_before}" = "${mtime_file_2_output_after}" ]
}

function help {
  printf "%s <task> [args]\n\nTasks:\n" "${0}"

  compgen -A function | grep -v "^_" | cat -n

  printf "\nExtended help:\n  Each task has comments for general usage\n"
}

# This idea is heavily inspired by: https://github.com/adriancooney/Taskfile
TIMEFORMAT=$'\nTask completed in %3lR'
time "${@:-help}"