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@jeremypruitt
Last active November 3, 2020 10:51
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CLI output helper lib
# Formatting
DEFAULT=`tput sgr0`
BRIGHT=`tput bold`
RED=`tput setaf 1`
GREEN=`tput setaf 2`
YELLOW=`tput setaf 3`
BLUE=`tput setaf 4`
MAGENTA=`tput setaf 5`
CYAN=`tput setaf 6`
WHITE=`tput setaf 7`
log() {
if [ $# -lt 2 ]; then
local log_msg="$1"
else
local log_type="$1"
local log_msg="$2"
fi
case "$log_type" in
blank) echo -e " ${WHITE}${log_msg}${DEFAULT}" ;;
dblank) echo -e " ${WHITE}${log_msg}${DEFAULT}" ;;
error) echo -e "❌ ${BRIGHT}${RED}${ERROR}${log_msg}${DEFAULT}" ;;
indent) echo -e " ${BRIGHT}${GREEN}✔ ${DEFAULT}${log_msg}${DEFAULT}" ;;
dindent) echo -e " ${BRIGHT}${GREEN}✔ ${DEFAULT}${log_msg}${DEFAULT}" ;;
check) echo -e " ${BRIGHT}${GREEN}✔ ${DEFAULT}${log_msg}${DEFAULT}" ;;
info) echo -e "ℹ️ ${BRIGHT}${WHITE}${log_msg}${DEFAULT}" ;;
notice) echo -e "ℹ️ ${BRIGHT}${WHITE}${log_msg}${DEFAULT}" ;;
rocket) echo -e "🚀 ${BRIGHT}${WHITE}${log_msg}${DEFAULT}" ;;
clean) echo -e " 🧹 ${WHITE}${log_msg}${DEFAULT}" ;;
web) echo -e "🌎 ${WHITE}${log_msg} ${BRIGHT}${CYAN}${3}${DEFAULT}" ;;
dweb) echo -e " 🌎 ${WHITE}${log_msg} ${BRIGHT}${CYAN}${3}${DEFAULT}" ;;
shell) echo -e " 🖥️ ${WHITE}${log_msg}${DEFAULT}" ;;
*) echo -e "${log_msg}" ;;
esac
}
horizontal_rule() {
echo "${BRIGHT}${BLUE}――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――${DEFAULT}"
}
upper_rule() {
echo "${BRIGHT}${BLUE}▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔${DEFAULT}"
}
lower_rule() {
echo "${BRIGHT}${BLUE}▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁${DEFAULT}"
}
_() { eval "$@" 2>&1 | sed "s/^/ /" ; return "$PIPESTATUS" ;}
# Read a single char from /dev/tty, prompting with "$*"
function get_keypress {
local REPLY IFS=
>/dev/tty printf "❔ ${BRIGHT}${WHITE}%s${DEFAULT}" "$*"
# See https://unix.stackexchange.com/q/383197/143394 regarding '\n' -> ''
[[ $BASH_VERSION ]] && </dev/tty read -rn1
printf '%s' "$REPLY"
}
# Get a y/n from the user, return yes=0, no=1 enter=$2. Prompt using $1.
# If set, return $2 on pressing enter, useful for cancel or defaulting.
function get_yes_keypress {
local prompt="${1:-Are you sure}"
local enter_return=$2
local REPLY
while REPLY=$(get_keypress "$prompt"); do
[[ $REPLY ]] && printf '\n' # $REPLY blank if user presses enter
case "$REPLY" in
Y|y) return 0;;
N|n) return 1;;
'') [[ $enter_return ]] && return "$enter_return"
esac
done
}
# Prompt to confirm, defaulting to NO on <enter>
# Usage: confirm "Dangerous. Are you sure?" && rm *
function confirm {
local prompt="${*:-Are you sure} [y/N]? "
get_yes_keypress "$prompt" 1
}
# Prompt to confirm, defaulting to YES on <enter>
function confirm_yes {
local prompt="${*:-Are you sure} [Y/n]? "
get_yes_keypress "$prompt" 0
}
function fail {
log error "$1"
exit "${2:-1}" ## Return a code specified by $2 or 1 by default.
}
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