universe/pkgs/nix-modrinth-prefetch.nix

13 lines
502 B
Nix

{ runtimeShell, writeShellScriptBin, curl, jq, gnused }:
writeShellScriptBin "nix-modrinth-prefetch" ''
input=$(${curl}/bin/curl --no-progress-meter https://api.modrinth.com/v2/version/$1)
if [[ $input == "" ]]; then
echo "Invalid version"
exit 1
fi
echo $input \
| ${jq}/bin/jq -c '.files | (.[] | select(.primary == true)) // .[0] | {url: .url, sha512: .hashes.sha512}' \
| ${gnused}/bin/sed 's/{"url":"\(.\+\)","sha512":"\(.\+\)"}/fetchurl { url = "\1"; sha512 = "\2"; }/'
''