# how to use
# nix-update -u librewolf-unwrapped
{
  writeScript,
  lib,
  coreutils,
  gnused,
  gnugrep,
  curl,
  gnupg,
  jq,
  nix-prefetch-git,
  moreutils,
  runtimeShell,
  nix,
  ...
}:

writeScript "update-librewolf" ''
  #!${runtimeShell}
  PATH=${
    lib.makeBinPath [
      coreutils
      curl
      gnugrep
      gnupg
      gnused
      jq
      moreutils
      nix-prefetch-git
      nix
    ]
  }
  set -euo pipefail

  latestTag=$(curl "https://librewolf.dev/api/v1/repos/librewolf/source/tags?page=1&limit=1" | jq -r .[0].name)
  echo "latestTag=$latestTag"

  srcJson=pkgs/by-name/li/librewolf-unwrapped/src.json
  localRev=$(jq -r .source.rev < $srcJson)
  echo "localRev=$localRev"

  if [ "$localRev" == "$latestTag" ]; then
    exit 0
  fi

  prefetchOut=$(mktemp)
  repoUrl=https://librewolf.dev/librewolf/source.git
  nix-prefetch-git $repoUrl --quiet --rev $latestTag --fetch-submodules > $prefetchOut
  srcDir=$(jq -r .path < $prefetchOut)
  srcHash=$(nix --extra-experimental-features nix-command hash convert --to sri --hash-algo sha256 $(jq -r .sha256 < $prefetchOut))

  ffVersion=$(<$srcDir/version)
  lwRelease=$(<$srcDir/release)
  lwVersion="$ffVersion-$lwRelease"
  echo "lwVersion=$lwVersion"
  echo "ffVersion=$ffVersion"
  if [ "$lwVersion" != "$latestTag" ]; then
    echo "error: Tag name does not match the computed LibreWolf version"
    exit 1
  fi

  HOME=$(mktemp -d)
  export GNUPGHOME=$(mktemp -d)
  gpg --receive-keys 14F26682D0916CDD81E37B6D61B7B526D98F0353

  mozillaUrl=https://archive.mozilla.org/pub/firefox/releases/

  curl --silent --show-error -o "$HOME"/shasums "$mozillaUrl$ffVersion/SHA512SUMS"
  curl --silent --show-error -o "$HOME"/shasums.asc "$mozillaUrl$ffVersion/SHA512SUMS.asc"
  gpgv --keyring="$GNUPGHOME"/pubring.kbx "$HOME"/shasums.asc "$HOME"/shasums

  ffHash=$(nix --extra-experimental-features nix-command hash convert --to sri --hash-algo sha512 $(grep '\.source\.tar\.xz$' "$HOME"/shasums | grep '^[^ ]*' -o))
  echo "ffHash=$ffHash"

  jq ".source.rev = \"$latestTag\"" $srcJson | sponge $srcJson
  jq ".source.hash = \"$srcHash\"" $srcJson | sponge $srcJson
  jq ".firefox.version = \"$ffVersion\"" $srcJson | sponge $srcJson
  jq ".firefox.hash = \"$ffHash\"" $srcJson | sponge $srcJson
  jq ".packageVersion = \"$lwVersion\"" $srcJson | sponge $srcJson
''