home-manager/modules/lib-bash/color-echo.sh
2017-05-14 20:35:13 +02:00

38 lines
836 B
Bash

# The check for terminal output and color support is heavily inspired
# by https://unix.stackexchange.com/a/10065.
function setupColors() {
normalColor=""
errorColor=""
warnColor=""
noteColor=""
# Check if stdout is a terminal.
if [[ -t 1 ]]; then
# See if it supports colors.
local ncolors
ncolors=$(tput colors)
if [[ -n "$ncolors" && "$ncolors" -ge 8 ]]; then
normalColor="$(tput sgr0)"
errorColor="$(tput bold)$(tput setaf 1)"
warnColor="$(tput setaf 3)"
noteColor="$(tput bold)$(tput setaf 6)"
fi
fi
}
setupColors
function errorEcho() {
echo "${errorColor}$*${normalColor}"
}
function warnEcho() {
echo "${warnColor}$*${normalColor}"
}
function noteEcho() {
echo "${noteColor}$*${normalColor}"
}