sourceme

#!/usr/bin/env bash

# Go to the directory where you want to install all these things:
#  - i.e.: `mkdir -p /dev/shm/__ && cd !$`
#
# Copy this script into that dir:
#  - i.e.: `cp <path/to/script> !$`
#
# And then source this script:
#  - i.e.: `source sourceme`

# dir="$(dirname "$(realpath "${0}")")"
dir="$(dirname "$(readlink -e "${0}")")"

PYENV=".pyenv"
RUSTUP=".rustup"
CARGO=".cargo"

export RUSTUP_HOME="${dir}/${RUSTUP}"
export CARGO_HOME="${dir}/${CARGO}"

pushd . > /dev/null
echo "Using \`${dir}\` ($(pwd)) to set things up!"

error() { echo "${1-error}"; exit "${2-4}"; }

cd "${dir}" || error "couldn't cd!" 9

# One equal here instead of two because zsh!!
if [ "$(uname -n)" = "luigi" ]; then
    echo "On luigi, shadowing libdl.."
    # libdl on luigi is broken somehow...

    export LDFLAGS="-L${HOME}/libs/"
    export LIBRARY_PATH=${LIBRARY_PATH}:${HOME}/libs/
fi

if [ ! -d "${PYENV}" ]; then
    echo "pyenv not found, cloning..."
    git clone https://github.com/pyenv/pyenv.git "${PYENV}"
    git --git-dir="${PYENV}"/.git --work-tree="${PYENV}" checkout v1.2.14

    export PYENV_ROOT="${dir}/${PYENV}"
    export PATH="${PYENV_ROOT}/bin:${PATH}"

    export HAVE_DYNAMIC_LOADING=true
    pyenv install 3.8.0
else
    export PYENV_ROOT="${dir}/${PYENV}"
    export PATH="${PYENV_ROOT}/bin:${PATH}"
fi

if command -v pyenv 1>/dev/null 2>&1; then
  eval "$(pyenv init -)"
fi

if [ ! -d "${RUSTUP}" ]; then
    echo "rustup not found, installing..."
    curl --tlsv1.2 -sSfL "https://sh.rustup.rs" | sh
    export PATH="${CARGO}/bin:${PATH}"

    cargo install ripgrep loc fd hexyl irust
else
    export PATH="${CARGO}/bin:${PATH}"
fi

popd > /dev/null || error "couldn't go back"