update-config.sh

#!/bin/bash

function file_update() {
  local fileSource="$1"
  # Remove the sync folder from the destination file path
  local fileDest="/${fileSource#sync/}"
  # Substitute the string "my_user" with the actual user
  fileDest="${fileDest//my_user/$USERNAME}"

  # Create the destination file and the path if they do not not exist
  if [ ! -f "$fileDest" ]; then
    print_color red "The file $fileDest does not exist"

    filePath="$(dirname "$fileDest")"

    # Get the owner of the closest existing folder to the file
    existingPath="$filePath"
    while [ ! -d "$existingPath" ] && [ "$existingPath" != "/" ]; do
      existingPath="$(dirname "$existingPath")"
      if [ -d "$existingPath" ]; then
        break
      fi
    done

    local folderOwnerAndGroup=$(stat -c "%U:%G" "$existingPath")
    local folderOwner=$(stat -c "%U" "$existingPath")

    if [ "$folderOwner" = "root" ]; then
      sudo mkdir -p "$filePath"
    else
      mkdir -p "$filePath"
    fi

    sudo touch "$fileDest"
    sudo chown $folderOwnerAndGroup "$fileDest"
    # Setting restricting permissions on new files
    sudo chmod 644 "$fileDest"

    print_color green "Created new file $fileDest with owner $folderOwner"
  fi

  git diff $fileDest $fileSource >/dev/null 2>&1
  diff_found=$?

  if [ $diff_found -ne 0 ]; then
    echo "Showing diff between local and remote $(basename "$fileDest") file:"
    # Even if code is installed, we don't want to use it to show the diff if running in tty mode
    if command -v code >/dev/null 2>&1 && [ -n "$XDG_SESSION_TYPE" ] && [ "$XDG_SESSION_TYPE" != "tty" ]; then
      code --diff $fileDest $fileSource
    else
      git --no-pager diff --no-index --color=always $fileDest $fileSource
    fi
    print_color yellow "Do you want to update $fileDest (y/n)?"
    read -r answer
    if [ "$answer" == "${answer#[Yy]}" ]; then
      print_color red "Not updating $(basename "$fileDest")"
    else
      # Save the original owner of the file
      local owner=$(stat -c "%U:%G" $fileDest)
      local ownerPermissions=$(stat -c "%a" $fileDest)
      sudo cp -i -p $fileSource $fileDest
      # Restore the original owner of the file.
      # Git does not maintain the original owner when you commit a file
      sudo chown $owner $fileDest
      # Restore also original permission
      sudo chmod $ownerPermissions "$fileDest"
    fi
  fi
}

function checkDeps() {
  $SCRIPT_PATH/install-deps.sh update
}

USERNAME=$(whoami)

SCRIPT_PATH=$(dirname "${BASH_SOURCE[0]}")
if [[ "${SCRIPT_PATH:0:1}" != "/" ]]; then
  echo "This script needs to be called with the absolute path"
  exit 1
fi
cd $SCRIPT_PATH

source print-color.sh

# Get all files in the sync folder
mapfile -t files < <(find sync -type f)

# Update all the files
for file in "${files[@]}"; do
  file_update "$file"
done

print_color white "Config was updated!"

# Optional check for deps if the deps argument is present
case "$1" in
  deps)
    checkDeps ;;
  init)
    ;;
  *)
    ;;
esac