#!/bin/bash
# run_once_00-prereqs.sh
# Verifies that the tools required by later run_once scripts are installed.

set -euo pipefail

missing=()

need_cmd() {
    command -v "$1" >/dev/null 2>&1 || missing+=("$1")
}

need_cmd sudo
need_cmd git
need_cmd curl
need_cmd age         
need_cmd jq           
need_cmd chezmoi

if (( ${#missing[@]} > 0 )); then
    RED=$'\e[31m'
    RESET=$'\e[0m'

    printf ">>> Missing prerequisites:\n"
    for cmd in "${missing[@]}"; do
        printf "\t%s%s%s\n" "$RED" "$cmd" "$RESET"
    done
    printf "\n"
    echo "Install them, then re-run \`chezmoi apply\`"
    exit 1
fi

echo ">>> prereqs OK"