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