platform="$(uname -s)-$(uname -m)" case $platform in Linux-x86_64) url="https://raw.githubusercontent.com/graalvm/graal-languages-ea-builds/main/truffleruby/versions/latest-jvm-linux-amd64.url" ;; Linux-aarch64) url="https://raw.githubusercontent.com/graalvm/graal-languages-ea-builds/main/truffleruby/versions/latest-jvm-linux-aarch64.url" ;; Darwin-x86_64) url="https://raw.githubusercontent.com/graalvm/graal-languages-ea-builds/main/truffleruby/versions/latest-jvm-darwin-amd64.url" ;; Darwin-arm64) url="https://raw.githubusercontent.com/graalvm/graal-languages-ea-builds/main/truffleruby/versions/latest-jvm-darwin-aarch64.url" ;; *) colorize 1 "Unsupported platform: $platform" return 1 ;; esac pushd "$BUILD_PATH" >/dev/null http get $url url.txt url=$(