#!/usr/bin/env bash
#
# Clone or update alacritty to $HOME/dev/alacritty, build and install to $HOME/bin
# Note: run from ZSH in a different terminal emulator.
set -e

if pgrep alacritty > /dev/null; then
  echo "Error: alacritty is running. Kill it and retry."
  exit 1
fi

if ! [ -x "$(command -v cargo)" ]; then
  echo "Install Rust toolchain first"
  exit 1
fi

mkdir -p "$HOME/dev" "$HOME/bin"
destdir=$HOME/dev/alacritty
if [ -d "$destdir" ]; then
  echo "Updating alacritty..."
  cd "$destdir"
  git pull --rebase
else
  echo "Cloning alacritty..."
  cd "$HOME/dev"
  git clone -q https://github.com/alacritty/alacritty.git alacritty
fi

cd "$destdir"
echo "Building alacritty..."
if [ "$(uname -s)" = "Darwin" ]; then
  make app
  sudo cp -av "$destdir/target/release/osx/Alacritty.app" /Applications/
else
  cargo build --release
  echo "Installing alacritty..."
  cp "$destdir/target/release/alacritty" "$HOME/bin/alacritty"
fi

if [ -z "$ZDOTDIR" ]; then
  echo "WARNING: ZDOTDIR blank so not installing ZSH completions"
  exit 0
fi

echo "Installing ZSH completions..."
funcdir=$ZDOTDIR/functions
mkdir -p "$funcdir"
cp "$destdir/extra/completions/_alacritty" "$funcdir/_alacritty"

if [ "$(uname -s)" = "Linux" ]; then
  # TODO: fix for Manjaro/xfce4:
  sudo cp "$destdir/extra/logo/alacritty-term.svg" /usr/share/pixmaps/Alacritty.svg
  sudo desktop-file-install "$destdir/extra/linux/Alacritty.desktop"
  sudo update-desktop-database
fi

echo "Done"