#!/usr/bin/env bash
# Every AppImage tool the recipe downloads matches its pinned hash.
set -euo pipefail

root=$(cd "$(dirname "$0")/../.." && pwd)
script=$root/packaging/linux/appimage.sh
fail() {
  echo "FAIL: $*" >&2
  exit 1
}

pack=https://github.com/AppImage/appimagetool/releases/download/1.9.1
deploy=https://github.com/linuxdeploy/linuxdeploy/releases/download/1-alpha-20251107-1
runtime=https://github.com/AppImage/type2-runtime/releases/download/20251108
curl -fsSI --max-time 20 "$pack/appimagetool-x86_64.AppImage" >/dev/null 2>&1 || {
  echo "SKIP appimage-pins: GitHub is not reachable"
  exit 0
}
grep -q "$pack/appimagetool-\$arch.AppImage" "$script" || fail "the script downloads another appimagetool"
grep -q "$deploy/linuxdeploy-\$arch.AppImage" "$script" || fail "the script downloads another linuxdeploy"
grep -q "$runtime/runtime-\$arch" "$script" || fail "the script downloads another runtime"
grep -q -- '--runtime-file "\$runtime"' "$script" || fail "appimagetool fetches its own runtime"
for arch in x86_64 aarch64; do
  for url in "$pack/appimagetool-$arch.AppImage" "$deploy/linuxdeploy-$arch.AppImage" "$runtime/runtime-$arch"; do
    sha=$(curl -fsSL "$url" | shasum -a 256 | cut -d' ' -f1)
    grep -q "$sha" "$script" || fail "$url has sha256 $sha, which the script does not pin"
  done
done
echo "appimage-pins: 6 downloads match their pins"