set -eu

BIN_DIR="$(git rev-parse --show-toplevel)/bin"
export PATH="$BIN_DIR:$PATH"

_u_bzl=https://github.com/bazelbuild/bazelisk/releases/download/v1.12.0/bazelisk-
_u_bldf=https://github.com/bazelbuild/buildtools/releases/download/5.1.0/buildifier-

if [[ "${PRINT_TOOL_HASHES:-no}" = "yes" ]]; then
    for os in linux darwin; do
        for arch in amd64 arm64; do
            hash_bzl=$(direnv fetchurl "${_u_bzl}$os-$arch")
            hash_bldf=$(direnv fetchurl "${_u_bldf}$os-$arch")
            echo -e "bzl:  $os-$arch\t$hash_bzl"
            echo -e "bldf: $os-$arch\t$hash_bldf"
        done
    done
fi

# to fetch the hashes, run:
# $ PRINT_TOOL_HASHES=yes bash .envrc
case "$(uname | tr A-Z a-z)-$(uname -m)" in
    linux-x86_64)
        bzl=$(direnv fetchurl "${_u_bzl}linux-amd64" sha256-awvLLqFbyhb/+r5v2nWANEA3U1TAhUgP42HSy/MlAds=)
        bldf=$(direnv fetchurl "${_u_bldf}linux-amd64" sha256-Ur9rECy0+IRk4ZfKrAbWl5P6KwX1rVCn579vvWVmSKM=)
        ;;
    linux-aarch64)
        bzl=$(direnv fetchurl "${_u_bzl}linux-arm64" sha256-KdhhykjfJKPo3sV/sAUIumZKMZIQR7JobDjPmiDUY58=)
        bldf=$(direnv fetchurl "${_u_bldf}linux-arm64" sha256-kX1ZnbsEDmOuen4a23ENIFeBGQL9yeNczpJev9lm7rg=)
        ;;
    darwin-x86_64)
        bzl=$(direnv fetchurl "${_u_bzl}darwin-amd64" sha256-cM9/50gI0WQY03H+uMzU58RCFdsD0sT/x1t2e3ZUCfs=)
        bldf=$(direnv fetchurl "${_u_bldf}darwin-amd64" sha256-yTeNn0KT/DjsVKCPvHTnqdKJFNrmiRM0QB5Z849uZdw=)
        ;;
    darwin-arm64)
        bzl=$(direnv fetchurl "${_u_bzl}darwin-arm64" sha256-NFu4uQDWue90I06enkE67Tj7Ke8lXkrhisYb9KYQLYQ=)
        bldf=$(direnv fetchurl "${_u_bldf}darwin-arm64" sha256-dF/rXqlstv85p2soIcV1kf1wtSgyVWJIbUe10IkA4uQ=)
        ;;
    *)
        >&2 echo "unsupported architecture tuple $(uname | tr A-Z a-z)-$(uname -m)"
        exit 1;;
esac

ln -sf "${bzl}" "$BIN_DIR/bazel"
ln -sf "${bldf}" "$BIN_DIR/buildifier"