tasker-core

#!/usr/bin/env bash
_TC_SELF_DIR=$(cd -P -- "${BASH_SOURCE%/*}" && pwd -P)

source "$_TC_SELF_DIR/commands/index"

if [[ $TERM != "" ]] && [[ $TERM != "dumb" ]]; then
  black=$(tput setaf 0)
  red=$(tput setaf 1)
  green=$(tput setaf 2)
  yellow=$(tput setaf 3)
  blue=$(tput setaf 4)
  magenta=$(tput setaf 5)
  cyan=$(tput setaf 6)
  white=$(tput setaf 7)

  bgBlack=$(tput setab 0)
  bgRed=$(tput setab 1)
  bgGreen=$(tput setab 2)
  bgYellow=$(tput setab 3)
  bgBlue=$(tput setab 4)
  bgMagenta=$(tput setab 5)
  bgCyan=$(tput setab 6)
  bgWhite=$(tput setab 7)
  rc=$(tput sgr0) # Reset Color
fi

LOGO="
████████╗ █████╗ ███████╗██╗  ██╗███████╗██████╗
╚══██╔══╝██╔══██╗██╔════╝██║ ██╔╝██╔════╝██╔══██╗
   ██║   ███████║███████╗█████╔╝ █████╗  ██████╔╝
   ██║   ██╔══██║╚════██║██╔═██╗ ██╔══╝  ██╔══██╗
   ██║   ██║  ██║███████║██║  ██╗███████╗██║  ██║
   ╚═╝   ╚═╝  ╚═╝╚══════╝╚═╝  ╚═╝╚══════╝╚═╝  ╚═╝"
VERSION="1.3"
PATH="./node_modules/.bin:./vendor/bin:./bin:$PATH"
TASKER_FILE="${TASKER_FILE:-$0}"

function _logo { # Display LOGO if there is enough space in terminal window
  if [[ "$(tput cols)" -ge "$(echo $LOGO | _longestLineLength)" ]]; then
    echo "${LOGO}"
  fi
}

function _listAutoCompleteFunctions { # Display list of public functions for autocomplete
  _listFunctions $0 "^function ([a-zA-Z][a-zA-Z0-9\-\_]+)\ \{ \# (.+)" --names
}

function _listPublicFunctions { # Display list of public functions definded in current file
  _listFunctions $0 "^function ([a-zA-Z][a-zA-Z0-9\-\_]+)\ \{ \# (.+)" $1
}

function _listAllFunctions { # Display list of all functions definded in current file
  _listFunctions $0 "^function ([a-zA-Z0-9\-\_]+)\ \{ \# (.+)" $1
}

function _listPrivateFunctions { # Display list of private functions definded in current file
  _listFunctions $0 "^function (_[a-zA-Z0-9\-\_]+)\ \{ \# (.+)" $1
}

function _error { # Display error message
  if [ -n "$(type -t cowsay)" ]; then
    cowsay "$1"
    echo ""
  else
    echo ""
    echo "${red}$1${rc}"
    echo ""
  fi
}

function _help { # Display help message
  _logo
  echo ""
  echo "${green}Tasker ${rc}version ${yellow}${VERSION}${rc} - Bash alias runner"
  echo ""
  echo "${yellow}Usage:${rc}"
  echo "  $TASKER_FILE command [arguments]"
  echo ""
  echo "${yellow}Available commands:${rc}"
  _listPublicFunctions --color
  echo ""
}

function _bootstrap {
  if [[ $1 ]]; then
    if [ -n "$(type -t $1)" ]; then
      eval "${@:1}"
    else
      _error "Command \"$1\" is not defined."
    fi
  else
    _help
  fi
}

function _callStack {
  local i=0
  local frames=${#BASH_LINENO[@]}


  for ((i = frames - 4; i >= 0; i--)); do
    echo "  File" \"${BASH_SOURCE[i + 1]}\", line ${BASH_LINENO[i]}, in ${FUNCNAME[i + 1]}

    local code=`head -n "${BASH_LINENO[i]}" "${BASH_SOURCE[i + 1]}" | tail -n 1`

    echo "    ${code}"
  done
}

set -o pipefail # trace ERR through pipes
set -o errtrace # trace ERR through 'time command' and other functions

trap '_callStack; exit 1' ERR
trap 'kill %- 2> /dev/null || exit 0' SIGINT