sync-apps-data

#!/bin/bash
#
# Synchronize apps data with a custom local folder that I back up frequently to an external drive.
#
# - Run the synchronization:
#
# `sync-apps-data`
#
# ---
# Author: Nick Plekhanov, https://plekhanov.me
# License: MIT
# https://github.com/nicksp/dotfiles

set -eu

CYAN="$(tput setaf 6)"
UNDERLINE="$(tput sgr 0 1)"
RESET="$(tput sgr0)"

title() {
  echo -e "${UNDERLINE}${CYAN}${1}${RESET}\n"
}

_bk() {
  source_dir="$1"
  dest_dir="$2"
  backup_name="$3"
  shift 3
  exclude_names=("$@")

  title "Backing up ${backup_name}…"
  mkdir -p "$dest_dir"

  should_exclude() {
    item_name="$1"

    for exclude_name in ${exclude_names[@]+"${exclude_names[@]}"}; do
      if [ "$item_name" = "$exclude_name" ]; then
        return 0
      fi
    done

    return 1
  }

  # Remove any files/directories in the destination that are not in the source
  for item in "$dest_dir"/*; do
    item_name="$(basename "$item")"

    if should_exclude "$item_name"; then
      continue
    fi

    if [ ! -e "$source_dir/$item_name" ]; then
      rm -rf "$item"
    fi
  done

  # Copy files/directories from the source to the destination
  for item in "$source_dir"/*; do
    item_name="$(basename "$item")"

    if should_exclude "$item_name"; then
      continue
    fi

    if [ -d "$item" ]; then
      cp -R "$item" "$dest_dir"
    else
      cp "$item" "$dest_dir"
    fi
  done

  title "Done 🦜"
}

# Obsidian settings synchronization
OBSIDIAN_VAULT="$HOME/Library/Mobile Documents/iCloud~md~obsidian/Documents/Chest"
_bk "$OBSIDIAN_VAULT/.obsidian" "$HOME/dotfiles/obsidian/.obsidian" "Obsidian configs" "themes"
# Obsidian templates and bases synchronization
_bk "$OBSIDIAN_VAULT/99 🥒 Meta" "$HOME/dotfiles/obsidian/99 🥒 Meta" "Obsidian templates and bases"
# Obsidian notes/images synchronization
_bk "$OBSIDIAN_VAULT" "$HOME/Documents/MYDATA/Obsidian" "Obsidian vault content"