Script for restoring and backing up dot files

dot-files.sh

#!/usr/bin/env bash

##  ______            _      _
## |  ____|          (_)    | |
## | |__  __ _  _ __  _   __| |
## |  __|/ _` || '__|| | / _` |
## | |  | (_| || |   | || (_| |
## |_|   \__,_||_|   |_| \__,_|

## @author Carlos Farid Nogales López
## @since 2020-09-07
## @brief Script that backup old dot files (if any) and place the current dot files

BOLD=$(tput bold)
NORMAL=$(tput sgr0)

DIR=$(readlink -f "$1")
DEFAULT=$HOME

# Files and dirs to be backed up. Check the dot files repo, it must be the same.
FILES_AND_DIRS=(
  ".zshrc"
  ".zshenv"
  ".gitconfig"
  ".p10k.zsh"
  "README.md"
  ".scripts"
  ".config/nvim"
  ".config/zsh"
  ".config/yakuakerc"
  ".icons/Dracula-cursors"
  ".local/share/konsole"
)

# Choose where the dot files will be placed (Default: ~)
if [ $# -eq 0 ]; then
  echo "No argument provided."
  echo -n "Do you want to use the default directory '$DEFAULT'? [Y/n]: "
  read -r CHOOSE
  if [ "$CHOOSE" = Y ] || [ "$CHOOSE" = y ] || [ "$CHOOSE" = "" ]; then
    DIR=$DEFAULT
  else
    echo -e "\nPut the target directory where the ${BOLD}dot files ${NORMAL}will be placed "
    echo "Normally is ${BOLD}\$HOME ${NORMAL}or ${BOLD}~"
    exit 1
  fi
fi

if [ ! -d "$1" ]; then
  echo "Invalid argument: Not a directory"
  exit 1
fi

# Handlement of .gitignore
[ ! -f "$DIR"/.gitignore ] && touch "$DIR"/.gitignore

if grep -Fxq ".dot-config" "$DIR/.gitignore"; then
  echo -e ".gitignore file ${BOLD}already set\n${NORMAL}"
else
  echo ".dot-config" >> "$DIR"/.gitignore
  echo -e ".gitignore file ${BOLD}set\n${NORMAL}"
fi

## Backup files if needed
## @arg $1 Relative path of the file(s)
backup() {
  TARGET_DIR=$DIR/dot-files-bak

  if [ -f "$DIR/$1" ]; then
    [ ! -d "$TARGET_DIR" ] && mkdir -p "$TARGET_DIR"
    mv "$DIR/$1" "$TARGET_DIR/$1"

  elif [ -d "$DIR/$1" ]; then
    [[ "$1" == *"/"* ]] && TARGET_DIR="$TARGET_DIR/${1%/*}"
    [ ! -d "$TARGET_DIR" ] && mkdir -p "$TARGET_DIR"
    mv "$DIR/$1" "$TARGET_DIR"

  fi
}

# Backing up
for i in "${FILES_AND_DIRS[@]}"; do
  backup "$i"
done

[ -d "$DIR"/dot-files-bak ] && echo "Previous files backed up in ${BOLD}$DIR/dot-files-bak"

# Cloning and checking out [Change the repo url]
if [ ! -d "$DIR"/.dot-config/ ]; then
  git clone --quiet --bare [email protected]:FaruNL/dotfiles.git "$DIR"/.dot-config/
  git --git-dir="$DIR"/.dot-config/ --work-tree="$DIR" checkout
else
  git --git-dir="$DIR"/.dot-config/ --work-tree="$DIR" restore "${FILES_AND_DIRS[@]/#/$DIR\/}"
fi