lib/log.sh

   1 #!/bin/sh
   2
   3 export TERM=${TERM:-linux}
   4 tput_rev=${nocolor:-$(tput rev)}
   5 tput_sgr0=${nocolor:-$(tput sgr0)}
   6 tput_bold=${nocolor:-$(tput bold)}
   7 tput_setaf_0=${nocolor:-$(tput setaf 0)}
   8 tput_setaf_2=${nocolor:-$(tput setaf 2)}
   9
  10 info () {
  11         set=$(set +o | grep '^set .o xtrace$')
  12         set +x
  13         printf >&2 "%sINFO%s" "$tput_setaf_2" "$tput_sgr0"
  14         comment=$1
  15         shift
  16         for var in "$@"
  17          do
  18                 val=$(eval printf %s "\"\${$var:-}\"" || false) || false
  19                 printf >&2 ": %s%s%s=%s%s%s" "$tput_bold$tput_setaf_0" "$var" "$tput_sgr0" "$tput_bold$tput_setaf_0" "$val" "$tput_sgr0"
  20          done
  21         printf >&2 ": %s%s%s\n" "$tput_rev" "$comment" "$tput_sgr0"
  22         $set
  23  }
  24 error () {
  25         set=$(set +o | grep '^set .o xtrace$')
  26         set +x
  27         printf >&2 "%sERROR%s" "$tput_setaf_2" "$tput_sgr0"
  28         errno=$1
  29         comment=$2
  30         shift 2
  31         for var in "$@"
  32          do
  33                 val=$(eval printf %s "\"\${$var:-}\"" || false) || false
  34                 printf >&2 ": %s%s%s=%s%s%s" "$tput_bold$tput_setaf_0" "$var" "$tput_sgr0" "$tput_bold$tput_setaf_0" "$val" "$tput_sgr0"
  35          done
  36         printf >&2 ": %s%s%s\n" "$tput_rev" "$comment" "$tput_sgr0"
  37         $set
  38         exit $1
  39  }