nixpkgs/pkgs/tools/archivers/rar/update.sh
2024-01-08 16:43:32 +00:00

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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p curl gawk gnused pup jq
set -euo pipefail
DIRNAME=$(dirname "$0")
readonly DIRNAME
readonly NIXPKGS_ROOT="../../../.."
readonly NIX_FLAGS=(--extra-experimental-features 'nix-command flakes')
# awk is used for parsing the RARLAB website to get the newest version
readonly AWK_FIELD_SEPARATOR='[-.]'
# shellcheck disable=SC2016
readonly AWK_COMMAND='
# We will get the following output from pup:
# /rar/rarlinux-x64-700b3.tar.gz
# /rar/rarmacos-x64-700b3.tar.gz
# /rar/rarlinux-x64-624.tar.gz
# /rar/rarbsd-x64-624.tar.gz
# /rar/rarmacos-x64-624.tar.gz
# Ignore anything that is flagged as beta (e.g.: `/rar/rarlinux-x64-700b3.tar.gz`)
!/[0-9]+b[0-9]*.tar.gz$/ {
# /rar/rarlinux-x64-624.tar.gz -> 624
val = $3
# Only get the value if it is bigger than the current one
if (val > max) max = val
}
END {
# 624 -> 6.24
printf "%.2f\n", max/100
}
'
updateHash() {
local -r version="${1//./}"
local -r arch="$2"
local -r os="$3"
local -r nix_arch="$4"
url="https://www.rarlab.com/rar/rar$os-$arch-$version.tar.gz"
hash=$(nix store prefetch-file --json "$url" | jq -r .hash)
currentHash=$(cd "$DIRNAME" && nix "${NIX_FLAGS[@]}" eval --raw "$NIXPKGS_ROOT#legacyPackages.$nix_arch.rar.src.outputHash")
sed -i "s|$currentHash|$hash|g" "$DIRNAME/default.nix"
}
updateVersion() {
local -r version="$1"
sed -i "s|version = \"[0-9.]*\";|version = \"$version\";|g" "$DIRNAME/default.nix"
}
latestVersion="${1:-}"
if [[ -z "$latestVersion" ]]; then
latestVersion=$(
curl --silent --location --fail https://www.rarlab.com/download.htm | \
pup 'a[href*=".tar.gz"] attr{href}' | \
awk -F"$AWK_FIELD_SEPARATOR" "$AWK_COMMAND"
)
fi
readonly latestVersion
echo "Latest version: $latestVersion"
currentVersion=$(cd "$DIRNAME" && nix "${NIX_FLAGS[@]}" eval --raw "$NIXPKGS_ROOT#legacyPackages.x86_64-linux.rar.version")
readonly currentVersion
echo "Current version: $currentVersion"
if [[ "$currentVersion" == "$latestVersion" ]]; then
echo "rar is up-to-date"
exit 0
fi
updateHash "$latestVersion" x32 linux i686-linux
updateHash "$latestVersion" x64 linux x86_64-linux
updateHash "$latestVersion" arm macos aarch64-darwin
updateHash "$latestVersion" x64 macos x86_64-darwin
updateVersion "$latestVersion"