sys-libs/elog-functions/files/elog-functions.sh

   1 # Copyright (c) 2012 Canek Peláez Valdés <canek@ciencias.unam.mx>
   2 # Compatibility e* log functions from sys-apps/openrc
   3
   4 # Shamelessly stolen from /etc/init.d/functions.sh
   5 for arg; do
   6     case "$arg" in
   7         --nocolor|--nocolour|-C)
   8             export EINFO_COLOR="NO"
   9             ;;
  10     esac
  11 done
  12
  13 # Adapted from /etc/init.d/functions.sh so we don't need eval_colors
  14 if [ "${EINFO_COLOR}" != NO ]; then
  15     if [ -z "$GOOD" ]; then
  16         GOOD=$(echo -ne "\e[1;32m")
  17         WARN=$(echo -ne "\e[1;33m")
  18         BAD=$(echo -ne "\e[1;31m")
  19         HILITE=$(echo -ne "\e[1;36m")
  20         BRACKET=$(echo -ne "\e[1;34m")
  21         NORMAL=$(echo -ne "\e[0;0m")
  22         export GOOD WARN BAD HILITE BRACKET NORMAL
  23     fi
  24 fi
  25
  26 function elog()
  27 {
  28     if [ "${EINFO_QUIET}" == "true" ]; then
  29         return
  30     fi
  31     echo -ne "${@}"
  32 }
  33
  34 function errlog()
  35 {
  36     echo -ne "${@}" > /dev/stderr
  37 }
  38
  39 function einfo()
  40 {
  41     elog " ${GOOD}*${NORMAL} ${_ELOG_INDENT}${@}\n"
  42 }
  43
  44 function ewarn()
  45 {
  46     errlog " ${WARN}*${NORMAL} ${_ELOG_INDENT}${@}\n"
  47 }
  48
  49 function eerror()
  50 {
  51     errlog " ${BAD}*${NORMAL} ${_ELOG_INDENT}${@}\n"
  52 }
  53
  54 function veinfo()
  55 {
  56     if [ "${EINFO_VERBOSE}"  == "true" ]; then
  57         einfo "${@}"
  58     fi
  59 }
  60
  61 function vewarn()
  62 {
  63     if [ "${EINFO_VERBOSE}" ]; then
  64         ewarn "${@}"
  65     fi
  66 }
  67
  68 function ebegin()
  69 {
  70     elog " ${GOOD}*${NORMAL} ${_ELOG_INDENT}${@} ...\n"
  71 }
  72
  73 function eend()
  74 {
  75     if [ "${EINFO_QUIET}" == "true" ]; then
  76         return
  77     fi
  78     msg="$1"
  79     if [ ! -z "${msg##*[!0-9]*}" ]; then
  80         retval="$msg"
  81     else
  82         eerror "$msg"
  83         retval=1
  84     fi
  85     # go up
  86     echo -ne "\e[1A"
  87     # ncurses dependency
  88     COLUMNS=$(/usr/bin/tput cols)
  89     COLUMN=$((COLUMNS - 6))
  90     # goto column
  91     echo -ne "\e[${COLUMN}C"
  92     LBRAC="${BRACKET}[${NORMAL}"
  93     RBRAC="${BRACKET}]${NORMAL}"
  94     if [ "$retval" != 1 ]; then
  95         echo -e "${LBRAC} ${GOOD}ok${NORMAL} ${RBRAC}"
  96     else
  97         echo -e "${LBRAC} ${BAD}!!${NORMAL} ${RBRAC}"
  98     fi
  99 }
 100
 101 function eindent()
 102 {
 103     if [ -z "${_ELOG_INDENT}" ]; then
 104         export _ELOG_INDENT="  "
 105     else
 106         export _ELOG_INDENT="${_ELOG_INDENT}  "
 107     fi
 108 }
 109
 110 function eoutdent()
 111 {
 112      if [ -z "${_ELOG_INDENT}" ]; then
 113          unset _ELOG_INDENT
 114      else
 115          export _ELOG_INDENT=$(echo "${_ELOG_INDENT}" | sed "s/  //")
 116      fi
 117 }
 118
 119 export -f elog errlog einfo ewarn eerror veinfo vewarn ebegin eend eindent eoutdent