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This makes Home Manager respect the NO_COLOR environment variable to disable coloring from output generated by Home Manager. This initiative can be found more on https://no-color.org/
40 lines
942 B
Bash
40 lines
942 B
Bash
# The check for terminal output and color support is heavily inspired
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# by https://unix.stackexchange.com/a/10065.
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#
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# Allow opt out by respecting the `NO_COLOR` environment variable.
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function setupColors() {
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normalColor=""
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errorColor=""
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warnColor=""
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noteColor=""
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# Enable colors for terminals, and allow opting out.
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if [[ ! -v NO_COLOR && -t 1 ]]; then
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# See if it supports colors.
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local ncolors
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ncolors=$(tput colors)
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if [[ -n "$ncolors" && "$ncolors" -ge 8 ]]; then
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normalColor="$(tput sgr0)"
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errorColor="$(tput bold)$(tput setaf 1)"
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warnColor="$(tput setaf 3)"
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noteColor="$(tput bold)$(tput setaf 6)"
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fi
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fi
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}
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setupColors
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function errorEcho() {
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echo "${errorColor}$*${normalColor}"
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}
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function warnEcho() {
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echo "${warnColor}$*${normalColor}"
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}
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function noteEcho() {
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echo "${noteColor}$*${normalColor}"
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}
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