omz-env-install.sh

#!/bin/bash

zshrc_file="$HOME/.zshrc"
omz_custom_plugin_home=${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins

append_plugin_to_zshrc() {
  # The plugin to add
  local new_plugin=$1

  # Check if the .zshrc file exists
  if [ ! -f $zshrc_file ]; then
      echo "$zshrc_file does not exist!"
      exit 1
  fi

  # Check and update the plugins configuration
  if grep -qE "^plugins=\(.*\b${new_plugin}\b.*\)" "$zshrc_file"; then
      echo "Plugin $new_plugin already exists in the plugins configuration."
  else
      sed -i -E "s/^plugins=\((.*)\)/plugins=(\1 $new_plugin)/" "$zshrc_file"
      echo "Plugin $new_plugin has been successfully added to the plugins configuration."
  fi
}

install_plugin() {
  local plugin=$1
  local git_repo=$2
  local plugin_path="$omz_custom_plugin_home/$plugin"
  if [ ! -e $plugin_path ]; then
    echo "Install plugin $plugin"
    git clone --depth 1 $git_repo $plugin_path
    if [ $? != 0 ]; then
      echo "git clone $git_repo failed"
      exit 1
    fi
  fi
  append_plugin_to_zshrc $plugin
}

if ! command -v "zsh" >/dev/null 2>&1; then
  echo "Install zsh first"
  sudo apt install -y zsh
fi
if [ $? != 0 ]; then
  echo "Zsh install failed"
  exit 1
fi

if [ ! -e ~/.oh-my-zsh ]; then
  echo "Install oh-my-zsh"
  sh -c "RUNZSH=no $(curl -fsSL https://install.ohmyz.sh/)"
  if [ $? != 0 ]; then
    echo "oh-my-zsh install failed"
    exit 1
  fi
fi

install_plugin zsh-syntax-highlighting https://github.com/zsh-users/zsh-syntax-highlighting.git
install_plugin zsh-autosuggestions https://github.com/zsh-users/zsh-autosuggestions.git

if ! command -v "autojump" >/dev/null 2>&1; then
  echo "Install plugin autojump"
  sudo apt install -y autojump
fi
append_plugin_to_zshrc autojump