gum logging mvp

gum_log.sh

#!/usr/bin/env bash

# Function to log using gum
logger() {
	local level msg OPTIND log_file log_dir log_path
	level=""
	msg=""
	log_dir="/tmp"
	log_file="gum.log"
	log_path="${log_dir}/${log_file}"

	while getopts ":l:" opt; do
		case ${opt} in
			l )
				level=$OPTARG
				;;
			\? )
				echo "Invalid option: $OPTARG" 1>&2
				return 1
				;;
			: )
				echo "Invalid option: $OPTARG requires an argument" 1>&2
				return 1
				;;
		esac
	done
	shift $((OPTIND -1))

	msg="$1"

	gum_log() {
		local cmd
		cmd=(gum log --time rfc1123 --structured)
		case "$level" in
			"")
				cmd+=("$msg")
				;;
			"debug" | "info" | "warn" | "error" | "fatal")
				cmd+=("--level" "$level" "$msg")
				;;
			*)
				cmd+=("--level" "error" "Invalid log level: $level")
				;;
		esac
		# "${cmd[@]}" 2>&1
		"${cmd[@]}" -o /dev/stdout
	}
	case "${LOG:-}" in
		stdout)
			gum_log
			;;
		log)
			gum_log >> "$log_path"
			;;
		both)
			gum_log | tee -a "$log_path"
			;;
		"")
			gum_log
			;;
		*)
			echo "Invalid LOG option: ${LOG}. Using 'none'." >&2
			;;
	esac
}

LOG=both
n=42
logger -l info "The secret to life is: $n"

cf. charmbracelet/gum#677