nixpkgs/pkgs/development/tools/build-managers/scala-cli/update.nix
2022-05-30 19:23:16 +02:00

38 lines
1.4 KiB
Nix

{ lib, curl, writeShellScript, jq, gnused, git, nix, coreutils }: { platforms, pname, version }:
writeShellScript "${pname}-update-script" ''
set -o errexit
PATH=${lib.makeBinPath [ curl jq gnused git nix coreutils ]}
latest_version=$(curl -s "https://api.github.com/repos/VirtusLab/scala-cli/releases?per_page=1" | jq ".[0].tag_name" --raw-output | sed 's/^v//')
if [[ "${version}" = "$latest_version" ]]; then
echo "The new version same as the old version."
exit 0
fi
nixpkgs=$(git rev-parse --show-toplevel)
sources_json="$nixpkgs/pkgs/development/tools/build-managers/scala-cli/sources.json"
platform_assets=()
for platform in ${lib.concatStringsSep " " platforms}; do
asset=$(jq ".assets.\"$platform\".asset" --raw-output < $sources_json)
release_asset_url="https://github.com/Virtuslab/scala-cli/releases/download/v$latest_version/$asset"
asset_hash=$(nix-prefetch-url "$release_asset_url")
asset_object=$(jq --compact-output --null-input \
--arg asset "$asset" \
--arg sha256 "$asset_hash" \
--arg platform "$platform" \
'{asset: $asset, sha256: $sha256, platform: $platform}')
platform_assets+=($asset_object)
done
printf '%s\n' "''${platform_assets[@]}" | \
jq -s "map ( { (.platform): . | del(.platform) }) | add" | \
jq --arg version $latest_version \
'{ version: $version, assets: . }' > $sources_json
''