message: Rework the color functions to appease shellcheck
diff: @@ -63,19 +63,34 @@ TIMESTAMP=$(date +%s)
  # Colours.
  shw_grey () {
  - echo $(tput bold)$(tput setaf 0) $@ $(tput sgr 0)
  + tput bold
  + tput setaf 0
  + echo "$@"
  + tput sgr0
  }
  shw_norm () {
  - echo $(tput bold)$(tput setaf 9) $@ $(tput sgr 0)
  + tput bold
  + tput setaf 9
  + echo "$@"
  + tput sgr0
  }
  shw_info () {
  - echo $(tput bold)$(tput setaf 4) $@ $(tput sgr 0)
  + tput bold
  + tput setaf 4
  + echo "$@"
  + tput sgr0
  }
  shw_warn () {
  - echo $(tput bold)$(tput setaf 2) $@ $(tput sgr 0)
  + tput bold
  + tput setaf 2
  + echo "$@"
  + tput sgr0
  }
  shw_err () {
  - echo $(tput bold)$(tput setaf 1) $@ $(tput sgr 0)
  + tput bold
  + tput setaf 1
  + echo "$@"
  + tput sgr0
  }
  # Parse input arguments.
  