proxmox/scripts/verify/check-dependencies.sh

#!/usr/bin/env bash
# Verify script dependencies for scripts/verify/* and deployment/automation
# See scripts/verify/README.md and docs/11-references/APT_PACKAGES_CHECKLIST.md

set -euo pipefail

REQUIRED=(bash curl jq openssl ssh)
# Optional: used by push-templates, storage-monitor, set-container-password, Blockscout/restart scripts, etc.
OPTIONAL=(sshpass rsync dig ss sqlite3 wscat websocat screen tmux htop shellcheck parallel)
MISSING=()
OPTIONAL_MISSING=()

for cmd in "${REQUIRED[@]}"; do
    if ! command -v "$cmd" &>/dev/null; then
        MISSING+=("$cmd")
    fi
done

if [ ${#MISSING[@]} -gt 0 ]; then
    echo "Missing required: ${MISSING[*]}"
    exit 1
fi

for cmd in "${OPTIONAL[@]}"; do
    if ! command -v "$cmd" &>/dev/null; then
        OPTIONAL_MISSING+=("$cmd")
    fi
done

echo "All required dependencies present: ${REQUIRED[*]}"
if [ ${#OPTIONAL_MISSING[@]} -gt 0 ]; then
  # Not a failure — optional tools (exit code stays 0)
  echo "Note — optional tools not in PATH: ${OPTIONAL_MISSING[*]}"
  echo "  To install (Debian/Ubuntu): sudo apt install -y sshpass rsync dnsutils iproute2 screen tmux htop shellcheck parallel sqlite3"
  echo "  (dig: dnsutils; ss: iproute2; wscat/websocat: npm install -g wscat or cargo install websocat)"
fi
exit 0