#!/bin/bash

set -eux

install_x86_64() {
    local -a targets
    targets=(x86_64-{unknown-linux-{gnu,musl},linux-android})

    rustup target add "${targets[@]}" --toolchain stable
    rustup target add "${targets[@]}" --toolchain 1.65.0
}

install_x86() {
    local -a targets
    targets=(i{5,6}86-unknown-linux-{gnu,musl} i686-linux-android)

    rustup target add "${targets[@]}" --toolchain stable
    rustup target add "${targets[@]}" --toolchain 1.65.0
}

install_arm() {
    local -a targets
    targets=(
        {arm,armv7}-unknown-linux-{gnu,musl}eabi{,hf}
        armv7-linux-androideabi
        armv5te-unknown-linux-{gnu,musl}eabi
        thumbv7neon-{unknown-linux-gnueabihf,linux-androideabi}
    )

    rustup target add "${targets[@]}" arm-linux-androideabi --toolchain stable
    rustup target add "${targets[@]}" --toolchain 1.65.0
}

install_aarch64() {
    local -a targets
    targets=(aarch64-{unknown-linux-{gnu,musl},linux-android})

    rustup target add "${targets[@]}" --toolchain stable
    rustup target add "${targets[@]}" --toolchain 1.65.0
}

install_riscv64() {
    rustup target add riscv64gc-unknown-linux-gnu --toolchain stable
    rustup target add riscv64gc-unknown-linux-gnu --toolchain 1.65.0
}

install_loongarch64() {
    rustup target add loongarch64-unknown-linux-gnu --toolchain nightly
}

install_powerpc() {
    rustup target add powerpc-unknown-linux-gnu --toolchain stable
    rustup target add powerpc-unknown-linux-gnu --toolchain 1.65.0
}

install_powerpc64() {
    local -a targets
    targets=(powerpc64{,le}-unknown-linux-gnu)

    rustup target add "${targets[@]}" --toolchain stable
    rustup target add "${targets[@]}" --toolchain 1.65.0
}

install_mips() {
    local -a targets
    targets=(mips{,el}-unknown-linux-{gnu,musl})

    rustup target add "${targets[@]}" --toolchain stable
    rustup target add "${targets[@]}" --toolchain 1.65.0
}

install_mips64() {
    local -a targets
    targets=(mips64{,el}-unknown-linux-{gnu,musl}abi64)

    rustup target add "${targets[@]}" --toolchain stable
    rustup target add "${targets[@]}" --toolchain 1.65.0
}

install_s390x() {
    local -a targets

    rustup target add s390x-unknown-linux-gnu --toolchain stable
    rustup target add s390x-unknown-linux-gnu --toolchain 1.65.0
}

if [ $# -eq 0 ]; then
    set -- arm loongarch64 x86_64 x86 aarch64 riscv64 powerpc powerpc64 mips \
        mips64 s390x
fi

while [ $# -ne 0 ]; do
    "install_$1"
    shift
done