ast-description-lang 0.4.0

A language to describe your language's AST
Documentation 
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#!/usr/bin/env bash
set -euo pipefail
shopt -s inherit_errexit

function usage() {
    cat <<USAGE
    $0  verify that the local dev environment has the necessary tools installed
USAGE
}

if [ "$#" -gt 0 ]; then
    usage
    exit
fi

readonly dependencies=(
  cargo
  pre-commit
)

function main() {
  status "Checking dependencies..."
  check_dependencies

  status "Installing git hooks..."
  pre-commit install --install-hooks -t pre-commit -t commit-msg

  status "Dev environment is set up!"
}

function status() {
  printf "\\n\\n[Status] %s\\n" "$1"
}

function check_dependencies() {
  missing=0
  set +e
  for dependency in "${dependencies[@]}"; do
    if ! type "$dependency" >/dev/null 2>/dev/null; then
      ((missing++))
      echo >&2 "Missing dependency: $dependency"
    fi
  done
  set -e

  if ((missing)); then
    exit 1
  fi
}

main