dotfiles

#!/usr/bin/env bash

# Top level manager for @CNG's system configuration scripts

# Script location determination accounting for symlinked script name
# http://stackoverflow.com/a/246128/172602
SOURCE="${BASH_SOURCE[0]}"
while [[ -h "$SOURCE" ]]; do # resolve $SOURCE until the file is no longer a symlink
  DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
  SOURCE="$(readlink "$SOURCE")"
  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
done
APP_ROOT="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
source "$APP_ROOT/lib/common.bash"

hdlr_install () {
  local force='false'
  (( $# != 0 )) || module_install $force base
  for module in "$@"; do
    if [[ $module = --force ]]; then
      force='true'
      continue
    fi
    module_install $force "$module"
  done
}

hdlr_upgrade () {
  (( $# != 0 )) || module_upgrade --all
  for module in "$@"; do
    module_upgrade "$module"
  done
}

hdlr_remove () {
  (( $# != 0 )) || print_usage
  local force='false'
  for module in "$@"; do
    shift # for detecting if --force is last
    if [[ $module = --force ]]; then
      (( $# != 0 )) || print_usage
      force='true'
    else
      module_remove $force "$module"
    fi
  done
}

hdlr_list () {
  module_list "$@"
}

hdlr_cleanup () {
  (( $# == 0 )) || print_usage
  packages_cleanup
}

hdlr_tests () {
  (( $# == 0 )) || print_usage
  source "$APP_ROOT/lib/tests.bash"
  main_tests
}

err_report () {
  echo "Error on line $1"
}

main () {
  trap 'err_report $LINENO' ERR
  cd "$( dirname "${BASH_SOURCE[0]}" )"
  case ${1:-} in
    install   ) hdlr_install   "${@:2}" ;;
    reinstall ) hdlr_reinstall "${@:2}" ;;
    upgrade   ) hdlr_upgrade   "${@:2}" ;;
    remove    ) hdlr_remove    "${@:2}" ;;
    cleanup   ) hdlr_cleanup   "${@:2}" ;;
    list      ) hdlr_list      "${@:2}" ;;
    tests     ) hdlr_tests     "${@:2}" ;;
    help      ) print_usage             ;;
    *         ) print_usage; return 1   ;;
  esac
  trap - ERR
}

main "$@"

#TODO autocomplete http://askubuntu.com/questions/68175/how-to-create-script-with-auto-complete