install

#!/usr/bin/env bash

set -Eeuo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
STATE_DIR="$ROOT_DIR/build/.state"
ADAPTER_BUILD_DIR="$ROOT_DIR/build/adapters"
EXAMPLE_BUILD_DIR="$ROOT_DIR/build/examples"
PREFIX="${PREFIX:-/usr/local}"
DESTDIR="${DESTDIR:-}"
INSTALL_ROOT="${DESTDIR}${PREFIX}"

if [[ ! -f "$STATE_DIR/.configured" ]]; then
  echo "The repository has not been configured." >&2
  echo "Run ./configure and ./build.sh before ./install." >&2
  exit 1
fi

if [[ ! -f "$STATE_DIR/.built" ]]; then
  echo "The repository has not been built successfully." >&2
  echo "Run ./build.sh before ./install." >&2
  exit 1
fi

required_outputs=(
  "$ROOT_DIR/build/rust/release/vds-server"
  "$ROOT_DIR/build/rust/release/vds-cli"
  "$ROOT_DIR/build/web/index.html"
  "$ADAPTER_BUILD_DIR/spi-cuse/vds4e-spi-cuse"
  "$ADAPTER_BUILD_DIR/i2c-cuse/vds4e-i2c-cuse"
  "$ADAPTER_BUILD_DIR/gpio-sim/vds4e-gpio-sim"
  "$ADAPTER_BUILD_DIR/uart-pty/vds4e-uart-pty"
  "$EXAMPLE_BUILD_DIR/mt25ql256_tool"
  "$EXAMPLE_BUILD_DIR/at24c256_tool"
  "$EXAMPLE_BUILD_DIR/uart_ping"
  "$EXAMPLE_BUILD_DIR/gpio_tool"
)

for output in "${required_outputs[@]}"; do
  if [[ ! -e "$output" ]]; then
    echo "Required build output is missing: $output" >&2
    echo "Run ./build.sh again." >&2
    exit 1
  fi
done

install_file() {
  local mode="$1"
  local source="$2"
  local destination="$3"
  command install -D -m "$mode" "$source" "$destination"
}

install_tree() {
  local source="$1"
  local destination="$2"
  command install -d "$destination"
  cp -a "$source/." "$destination/"
}

echo "Installing into $INSTALL_ROOT..."

install_file 0755 "$ROOT_DIR/build/rust/release/vds-server" \
  "$INSTALL_ROOT/bin/vds-server"
install_file 0755 "$ROOT_DIR/build/rust/release/vds-cli" \
  "$INSTALL_ROOT/bin/vds-cli"
install_file 0755 "$ROOT_DIR/packaging/vds4e" \
  "$INSTALL_ROOT/bin/vds4e"
install_file 0755 "$ADAPTER_BUILD_DIR/spi-cuse/vds4e-spi-cuse" \
  "$INSTALL_ROOT/bin/vds4e-spi-cuse"
install_file 0755 "$ADAPTER_BUILD_DIR/i2c-cuse/vds4e-i2c-cuse" \
  "$INSTALL_ROOT/bin/vds4e-i2c-cuse"
install_file 0755 "$ADAPTER_BUILD_DIR/gpio-sim/vds4e-gpio-sim" \
  "$INSTALL_ROOT/bin/vds4e-gpio-sim"
install_file 0755 "$ADAPTER_BUILD_DIR/uart-pty/vds4e-uart-pty" \
  "$INSTALL_ROOT/bin/vds4e-uart-pty"
install_file 0755 "$EXAMPLE_BUILD_DIR/mt25ql256_tool" \
  "$INSTALL_ROOT/bin/mt25ql256_tool"
install_file 0755 "$EXAMPLE_BUILD_DIR/at24c256_tool" \
  "$INSTALL_ROOT/bin/at24c256_tool"
install_file 0755 "$EXAMPLE_BUILD_DIR/uart_ping" \
  "$INSTALL_ROOT/bin/uart_ping"
install_file 0755 "$EXAMPLE_BUILD_DIR/gpio_tool" \
  "$INSTALL_ROOT/bin/gpio_tool"

install_tree "$ROOT_DIR/build/web" \
  "$INSTALL_ROOT/share/vds4e/web"
install_tree "$ROOT_DIR/device-models/examples" \
  "$INSTALL_ROOT/share/vds4e/device-models"
install_tree "$ROOT_DIR/schemas" \
  "$INSTALL_ROOT/share/vds4e/schemas"

command install -d "$INSTALL_ROOT/share/vds4e"
sed \
  "s#device-models/examples/#$PREFIX/share/vds4e/device-models/#g" \
  "$ROOT_DIR/config/vds-server.yaml" \
  >"$INSTALL_ROOT/share/vds4e/vds-server.example.yaml"
chmod 0644 "$INSTALL_ROOT/share/vds4e/vds-server.example.yaml"

echo
echo "Installation complete: $INSTALL_ROOT"