📦 Turbo87 / heroku-buildpack-crates-io

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98#!/bin/bash

set -eu

BUILDPACK_DIR="$(dirname "$(dirname "$0")")"

# see https://devcenter.heroku.com/articles/buildpack-api#bin-compile
BUILD_DIR=${1:-}
CACHE_DIR=${2:-}

cd "$BUILD_DIR"
mkdir -p "$CACHE_DIR"

### Install Node.js & pnpm and build frontend

JQ_VERSION="1.7"
JQ="$CACHE_DIR/jq-$JQ_VERSION"

if [ ! -x "$JQ" ]; then
    echo "-----> Installing jq v$JQ_VERSION"
    curl --proto '=https' --tlsv1.2 --location https://github.com/jqlang/jq/releases/download/jq-1.7/jq-linux-amd64 --output "$JQ"
    chmod +x "$JQ"
else
    echo "-----> jq v$JQ_VERSION already installed"
fi

echo "-----> Parsing pnpm version from \`package.json\` file"
PNPM_VERSION="$($JQ ".engines.pnpm" "package.json" --raw-output)"
export PNPM_VERSION

export PNPM_HOME="$CACHE_DIR/pnpm"

echo "-----> Installing pnpm v$PNPM_VERSION"
# see https://github.com/pnpm/get.pnpm.io/pull/35 for why the install script is vendored
ENV="$CACHE_DIR/.shrc" SHELL="$(which sh)" sh "$BUILDPACK_DIR/install_pnpm.sh"

export PATH="$PNPM_HOME:$PATH"

echo "-----> Parsing Node.js version from \`package.json\` file"
NODE_VERSION="$($JQ ".engines.node" "package.json" --raw-output)"

if [ ! -x "$PNPM_HOME/nodejs/$NODE_VERSION" ]; then
    echo "-----> Installing Node.js v$NODE_VERSION"
    pnpm env use --global "$NODE_VERSION"
else
    echo "-----> Node.js v$NODE_VERSION already installed"
fi

echo "-----> pnpm install"
pnpm install

echo "-----> pnpm run build"
pnpm run build

echo "-----> rm -rf node_modules"
rm -rf node_modules

### Install Rust and build backend

export RUSTUP_HOME="$CACHE_DIR/rustup"
export CARGO_HOME="$CACHE_DIR/cargo"
export CARGO_TARGET_DIR="$CACHE_DIR/target"

if [ ! -x "$CARGO_HOME/bin/rustup" ]; then
    echo "-----> Installing rustup"
    curl --proto '=https' --tlsv1.2 https://sh.rustup.rs | sh -s -- --default-toolchain none -y
else
    echo "-----> rustup already installed"
fi

export PATH="$CARGO_HOME/bin:$PATH"

echo "-----> rustup set profile minimal"
rustup set profile minimal

echo "-----> cargo build"
cargo build --release

echo "-----> Copying compiled binaries into \`./target/release\` folder"
mkdir -p target/release
find "$CARGO_TARGET_DIR/release" -maxdepth 1 -type f -executable -exec cp -a -t target/release {} \;

echo "-----> Cleaning up cache folder"

# We can remove this completely, as cargo will recreate this from `cache`
rm -rf "$CARGO_HOME/registry/src"

# Remove dependencies that haven't been touched in the past 20 days
if [ -d "$CARGO_TARGET_DIR/release/.fingerprint" ]; then
  find "$CARGO_TARGET_DIR/release/.fingerprint" -maxdepth 1 -type d -mtime +20 -exec rm -rf {} \;
fi
if [ -d "$CARGO_TARGET_DIR/release/build" ]; then
  find "$CARGO_TARGET_DIR/release/build" -maxdepth 1 -type d -mtime +20 -exec rm -rf {} \;
fi
if [ -d "$CARGO_TARGET_DIR/release/deps" ]; then
  find "$CARGO_TARGET_DIR/release/deps" -maxdepth 1 -type d -mtime +20 -exec rm -rf {} \;
fi