bin/common

   1 #!/bin/bash
   2
   3 # https://stackoverflow.com/a/2684300
   4 if [[ "${BASH_SOURCE[0]}" = "${0}" ]]; then
   5   echo "[error] script \"$0\" is intended to be sourced, not executed directly"
   6   exit 1
   7 fi
   8
   9 # Get directory of current script:
  10 #
  11 #     https://stackoverflow.com/a/12694189/2103996
  12
  13 # and convert to absolute path:
  14 #
  15 #     https://stackoverflow.com/a/4045350/2103996
  16 #
  17 REPO_ROOT=$(cd "${BASH_SOURCE%/*}/.." && pwd)
  18
  19 BIN_DIR="$REPO_ROOT/bin"
  20
  21 NODE_VERSION=14.4.0
  22
  23 export PATH="$BIN_DIR":$PATH
  24
  25 # https://stackoverflow.com/a/5947802/2103996
  26 BOLD='\033[0;1m'
  27 GREEN='\033[1;32m'
  28 PURPLE='\033[1;35m'
  29 RED='\033[1;31m'
  30 RESET='\033[0m'
  31 YELLOW='\033[1;33m'
  32
  33 # No associative arrays in Bash < v4, so can't do:
  34 #
  35 #   declare -A LOG_LEVEL
  36 #
  37 LOG_LEVEL_EMERGENCY=0
  38 LOG_LEVEL_ALERT=1
  39 LOG_LEVEL_CRITICAL=2
  40 LOG_LEVEL_ERROR=3
  41 LOG_LEVEL_WARNING=4
  42 LOG_LEVEL_NOTICE=5
  43 LOG_LEVEL_INFO=6
  44 LOG_LEVEL_DEBUG=7
  45
  46 LOG_LEVEL=$LOG_LEVEL_INFO
  47
  48 for VAR in "$@"
  49 do
  50   if [[ $VAR = "--debug" ]]; then
  51     LOG_LEVEL=$LOG_LEVEL_DEBUG
  52     DEBUG=1
  53   elif [[ $VAR = "--quiet" || $VAR = "-q" ]]; then
  54     LOG_LEVEL=$LOG_LEVEL_ERROR
  55     unset DEBUG
  56   fi
  57 done
  58
  59 log_debug() {
  60   if [[ $LOG_LEVEL -ge $LOG_LEVEL_DEBUG ]]; then
  61     echo -e "${PURPLE}[debug]  ${RESET} $*" > /dev/stderr
  62   fi
  63 }
  64
  65 log_error() {
  66   if [[ $LOG_LEVEL -ge $LOG_LEVEL_ERROR ]]; then
  67     echo -e "${RED}[error]  ${RESET} $*" > /dev/stderr
  68   fi
  69 }
  70
  71 log_info() {
  72   if [[ $LOG_LEVEL -ge $LOG_LEVEL_INFO ]]; then
  73     echo -e "${BOLD}[info]   ${RESET} $*" > /dev/stderr
  74   fi
  75 }
  76
  77 log_notice() {
  78   if [[ $LOG_LEVEL -ge $LOG_LEVEL_NOTICE ]]; then
  79     echo -e "${GREEN}[notice] ${RESET} $*" > /dev/stderr
  80   fi
  81 }
  82
  83 log_warn() {
  84   if [[ $LOG_LEVEL -ge $LOG_LEVEL_WARNING ]]; then
  85     echo -e "${YELLOW}[warning]${RESET} $*" > /dev/stderr
  86   fi
  87 }