#!/bin/bash

set -eu

source "${BOOTSTRAP_LIB}/helpers"

VERSION="1.4.1"
INSTALL_DIR="${HOME}/.local/bin"
INSTALLED_VERSION=""

if [[ -x "$(command -v glow)" ]]; then
  INSTALLED_VERSION="$(glow --version | grep -o '[0-9]\+\.[0-9]\+\.[0-9]\+')"
fi

if [[ "$VERSION" == "$INSTALLED_VERSION" ]]; then
  echo "glow version ${VERSION} already installed."
  exit 0
fi

echo "Installing glow version ${VERSION}..."

URL="https://github.com/charmbracelet/glow/releases/download/v${VERSION}/glow_${VERSION}_linux_x86_64.tar.gz"

echo "Downloading from ${URL}..."
TARGET="$(download "$URL")"

if [[ -f "${INSTALL_DIR}/glow" ]]; then
  echo "Removing old glow command..."
  rm -f "${INSTALL_DIR}/glow"
fi

echo "Unpacking glow command to ${INSTALL_DIR}..."
mkdir -p "${INSTALL_DIR}"
tar --directory="${INSTALL_DIR}" -xf "${TARGET}" glow
chmod +x "${INSTALL_DIR}/glow"

echo "Removing ${TARGET}..."
rm -f "${TARGET}"