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nixpkgs/pkgs/by-name/sw/swiftlint/update.sh

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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p curl jq nix
set -euo pipefail
cd "$(dirname "$0")"
old_version=$(jq -r ".version" sources.json)
version=$(curl -s ${GITHUB_TOKEN:+-u ":$GITHUB_TOKEN"} \
"https://api.github.com/repos/realm/SwiftLint/releases/latest" | jq -r ".tag_name")
if [[ "$old_version" == "$version" ]]; then
echo "swiftlint is already up to date at $version"
exit 0
fi
echo "Updating swiftlint from $old_version to $version"
declare -A platforms=(
[x86_64-linux]="swiftlint_linux_amd64.zip"
[aarch64-linux]="swiftlint_linux_arm64.zip"
[aarch64-darwin]="portable_swiftlint.zip"
)
sources_tmp="$(mktemp)"
jq -n --arg v "$version" '{version: $v, platforms: {}}' > "$sources_tmp"
for platform in "${!platforms[@]}"; do
filename="${platforms[$platform]}"
url="https://github.com/realm/SwiftLint/releases/download/${version}/${filename}"
echo "Fetching hash for $platform ($filename)..."
sha256hash="$(nix-prefetch-url --type sha256 "$url")"
hash="$(nix hash convert --to sri --hash-algo sha256 "$sha256hash")"
jq --arg platform "$platform" \
--arg filename "$filename" \
--arg hash "$hash" \
'.platforms += {($platform): {filename: $filename, hash: $hash}}' \
"$sources_tmp" > "${sources_tmp}.tmp" && mv "${sources_tmp}.tmp" "$sources_tmp"
done
mv "$sources_tmp" sources.json
echo "Updated swiftlint to $version"