helper.sh

#!/bin/bash

# http://bash.cumulonim.biz/NullGlob.html
shopt -s nullglob

# get this file with the following command:
# curl https://gist.githubusercontent.com/jtviegas/35b97994f7a34e5e06ab055f2f47a624/raw/282a0c6628969e5812a70e372ba6636fe0c594ea/helper.sh --output helper.sh


this_folder="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
if [ -z "$this_folder" ]; then
  this_folder=$(dirname $(readlink -f $0))
fi

debug(){
    local __msg="$1"
    echo " [DEBUG] `date` ... $__msg "
}

info(){
    local __msg="$1"
    echo " [INFO]  `date` ->>> $__msg "
}

warn(){
    local __msg="$1"
    echo " [WARN]  `date` *** $__msg "
}

err(){
    local __msg="$1"
    echo " [ERR]   `date` !!! $__msg "
}

if [ ! -f "$this_folder/variables.inc" ]; then
  warn "we DON'T have a 'variables.inc' file"
else
  . "$this_folder/variables.inc"
fi

if [ ! -f "$this_folder/secrets.inc" ]; then
  warn "we DON'T have a 'secrets.inc' file"
else
  . "$this_folder/secrets.inc"
fi

verify(){
  info "[verify] ..."
  local _r=0

  # which aws 1>/dev/null
  # if [ ! "$?" -eq "0" ] ; then err "please install aws cli" && return 1; fi

  info "[verify] ...done."
}


installdeps(){
  info "[installdeps] ..."
  _pwd=`pwd`
  cd "$this_folder"
  # npm install -g something
  # if [ ! "$?" -eq "0" ]; then err "[installdeps] could not install something" && cd "$_pwd" && return 1; fi
  cd "$_pwd"
  info "[installdeps] ...done."
}

usage() {
  cat <<EOM
  usage:
  $(basename $0) { installdeps }

      - installdeps: installs dependencies

EOM
  exit 1
}

verify

debug "1: $1 2: $2 3: $3 4: $4 5: $5 6: $6 7: $7 8: $8 9: $9"


case "$1" in
  installdeps)
    installdeps
    ;;
  *)
    usage
    ;;
esac