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Dotfiles/run_once_00-prereqs.sh

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#!/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"