externalize.sh

externalize.sh

#!/bin/bash -e

function externalize_git {
  if [ ! -d "$git_repos_repo_full_path" ]; then
    mkdir -p "$git_repos_repo_full_path"
    mv .git "${git_repos_repo_full_path}"/.git
    git --git-dir="${git_repos_repo_full_path}/.git" --work-tree=. init && echo "gitdir: ${git_repos_repo_full_path}/.git" > .git
  else
    echo "Directory $git_repos_repo_full_path already exists!"
  fi
}

function move_and_link {
  mkdir -p `dirname "${git_repos_repo_full_path}"/"$1"`
  mv "$1" "${git_repos_repo_full_path}"/"$1"
  ln -s "${git_repos_repo_full_path}"/"$1" "$1"
}

function externalize_node {
  if [ ! -d "$git_repos_repo_full_path" ]; then
    echo "Directory $git_repos_repo_full_path doesn't exist!"
  else
    move_and_link "node_modules"
  fi
}

function externalize_ruby {
  if [ ! -d "$git_repos_repo_full_path" ]; then
    echo "Directory $git_repos_repo_full_path doesn't exist!"
  else
    move_and_link "tmp"
    move_and_link "log"
    move_and_link "public/assets"
  fi
}

if [[ "$#" == "0" ]]; then
  echo "Wrong number of arguments. Provide type of externalization: git|npm|ruby"
else
  current_dir=${PWD##*/}
  current_full_path=$PWD
  developer_full_path=$HOME/Developer
  developer_full_path_length=${#developer_full_path}
  relative_path=${current_full_path:$developer_full_path_length+1}
  git_repos_repo_full_path=$HOME/git-repos/"${relative_path}"

  if [[ "$1" == "git" ]]; then
    externalize_git
  elif [[ "$1" == "ruby" ]]; then
    externalize_ruby
  elif [[ "$1" == "npm" ]]; then
    externalize_node
  else
    echo "Wront externalization parameter. Valid options include: git|npm|ruby"
  fi
fi