dotfiles/COLOR_TABLE at master · randomparity/dotfiles · GitHub

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# Determine if terminal is capable of showing colors
if [[ -t 1 ]] && [[ $(tput colors) -ge 8 ]]; then
  # Bold and underline may not show up on all clients
  # If something MUST be emphasized, use both
  COL_BOLD='\e[1m'
  COL_ULINE='\e[4m'

  COL_NC='\e[0m'
  COL_GRAY='\e[90m'
  COL_RED='\e[91m'
  COL_GREEN='\e[32m'
  COL_YELLOW='\e[33m'
  COL_BLUE='\e[94m'
  COL_PURPLE='\e[95m'
  COL_CYAN='\e[96m'
else
  # Provide empty variables for `set -u`
  COL_BOLD=""
  COL_ULINE=""

  COL_NC=""
  COL_GRAY=""
  COL_RED=""
  COL_GREEN=""
  COL_YELLOW=""
  COL_BLUE=""
  COL_PURPLE=""
  COL_CYAN=""
fi

# Deprecated variables
COL_WHITE="${COL_BOLD}"
COL_BLACK="${COL_NC}"
COL_LIGHT_BLUE="${COL_BLUE}"
COL_LIGHT_GREEN="${COL_GREEN}"
COL_LIGHT_CYAN="${COL_CYAN}"
COL_LIGHT_RED="${COL_RED}"
COL_URG_RED="${COL_RED}${COL_BOLD}${COL_ULINE}"
COL_LIGHT_PURPLE="${COL_PURPLE}"
COL_BROWN="${COL_YELLOW}"
COL_LIGHT_GRAY="${COL_GRAY}"
COL_DARK_GRAY="${COL_GRAY}"

TICK="[${COL_GREEN}✓${COL_NC}]"
CROSS="[${COL_RED}✗${COL_NC}]"
INFO="[${COL_CYAN}i${COL_NC}]"
QST="[${COL_YELLOW}?${COL_NC}]"
DONE="${COL_GREEN} done!${COL_NC}"
OVER="\\r[K"