dot-installer.sh

#!/usr/bin/env bash

# The script installs Dotfiles on a system managed by Git Bare Repository technique.
# The inspiration of this script and management of dotfiles comes from 
# @see https://www.atlassian.com/git/tutorials/dotfiles
# The code below is taken from here with some modification


RED="\033[31m"
GREEN="\033[32m"
YELLOW="\033[33m"
BLUE="\033[34m"
CYAN="\033[36m"
ENDCOLOR="\033[0m"

note() {
  local msg="$1"
  local level="${2:-info}"
  local type="$(echo $level | tr '[:lower:]' '[:upper:]' )"
  
  local COLOR=$CYAN

  case $type in
    INFO)
      COLOR=$CYAN
      ;;
    ERROR)
      COLOR=$RED
      ;;
    WARNING)
      COLOR=$YELLOW
      ;;
    NOTICE)
      COLOR=$CYAN
      ;;
    SUCCESS)
      COLOR=$GREEN
      ;;
    *)
      COLOR=$GREEN
      ;;
  esac

  echo ''
  echo -e "${COLOR}[${type}] ${msg}${ENDCOLOR}\n"
}

config() {
  $(which git) --git-dir="$HOME/dotfiles" --work-tree="$HOME" $@
}


echo "Please enter the dotfiles git repository. "
read -r repo

if [ -z "$repo" ]; then
  note "You must enter a repository to fetch dotfiles. No repository given." error
  exit 1
fi 


note "Cloning dotfiles repository ${repo}"
git clone --bare "$repo" "$HOME/dotfiles"


mkdir -p .config-backup
config checkout
if [ $? = 0 ]; then
  note "Checked out dotfiles."
else
  note "Couldn't checkout the dotfiles repo. " error
  note "Trying to back up pre-existing dot files first."

  config checkout 2>&1 | egrep "\s+\." | awk {'print $1'} | xargs -I{} mv {} .config-backup/{}
fi

config checkout
config config status.showUntrackedFiles no

note "Dotfiles setup is completed successfully!" success