pkgs/tools/archivers/rar/update.sh

   1 #!/usr/bin/env nix-shell
   2 #!nix-shell -i bash -p curl gawk gnused pup jq
   3
   4 set -euo pipefail
   5
   6 DIRNAME=$(dirname "$0")
   7 readonly DIRNAME
   8 readonly NIXPKGS_ROOT="../../../.."
   9 readonly NIX_FLAGS=(--extra-experimental-features 'nix-command flakes')
  10
  11 # awk is used for parsing the RARLAB website to get the newest version
  12 readonly AWK_FIELD_SEPARATOR='[-.]'
  13 # shellcheck disable=SC2016
  14 readonly AWK_COMMAND='
  15 # We will get the following output from pup:
  16 # /rar/rarlinux-x64-700b3.tar.gz
  17 # /rar/rarmacos-x64-700b3.tar.gz
  18 # /rar/rarlinux-x64-624.tar.gz
  19 # /rar/rarbsd-x64-624.tar.gz
  20 # /rar/rarmacos-x64-624.tar.gz
  21
  22 # Ignore anything that is flagged as beta (e.g.: `/rar/rarlinux-x64-700b3.tar.gz`)
  23 !/[0-9]+b[0-9]*.tar.gz$/ {
  24     # /rar/rarlinux-x64-624.tar.gz -> 624
  25     val = $3
  26     # Only get the value if it is bigger than the current one
  27     if (val > max) max = val
  28 }
  29 END {
  30     # 624 -> 6.24
  31     printf "%.2f\n", max/100
  32 }
  33 '
  34
  35 updateHash() {
  36     local -r version="${1//./}"
  37     local -r arch="$2"
  38     local -r os="$3"
  39     local -r nix_arch="$4"
  40
  41     url="https://www.rarlab.com/rar/rar$os-$arch-$version.tar.gz"
  42     hash=$(nix store prefetch-file --json "$url" | jq -r .hash)
  43     currentHash=$(cd "$DIRNAME" && nix "${NIX_FLAGS[@]}" eval --raw "$NIXPKGS_ROOT#legacyPackages.$nix_arch.rar.src.outputHash")
  44
  45     sed -i "s|$currentHash|$hash|g" "$DIRNAME/default.nix"
  46 }
  47
  48 updateVersion() {
  49     local -r version="$1"
  50     sed -i "s|version = \"[0-9.]*\";|version = \"$version\";|g" "$DIRNAME/default.nix"
  51 }
  52
  53 latestVersion="${1:-}"
  54 if [[ -z "$latestVersion" ]]; then
  55     latestVersion=$(
  56         curl --silent --location --fail https://www.rarlab.com/download.htm | \
  57             pup 'a[href*=".tar.gz"] attr{href}' | \
  58             awk -F"$AWK_FIELD_SEPARATOR" "$AWK_COMMAND"
  59     )
  60 fi
  61 readonly latestVersion
  62 echo "Latest version: $latestVersion"
  63
  64 currentVersion=$(cd "$DIRNAME" && nix "${NIX_FLAGS[@]}" eval --raw "$NIXPKGS_ROOT#legacyPackages.x86_64-linux.rar.version")
  65 readonly currentVersion
  66 echo "Current version: $currentVersion"
  67
  68 if [[ "$currentVersion" == "$latestVersion" ]]; then
  69     echo "rar is up-to-date"
  70     exit 0
  71 fi
  72
  73 updateHash "$latestVersion" x32 linux i686-linux
  74 updateHash "$latestVersion" x64 linux x86_64-linux
  75 updateHash "$latestVersion" arm macos aarch64-darwin
  76 updateHash "$latestVersion" x64 macos x86_64-darwin
  77
  78 updateVersion "$latestVersion"