core/lib


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#!/bin/sh
# utility variables and functions
XDG_CACHE_HOME="${XDG_CACHE_HOME:-$HOME/.cache}" # XDG basedir specification
export POMODORO_STATE_PATH="${POMODORO_STATE_PATH:-$XDG_CACHE_HOME/$progname}" # ~/.cache/dppt

# this variable grows automatically as long as this file is included in each
# subcommand
export subcmd="$subcmd${subcmd:+ }$(basename "$0")"

# print an error to stdout and exit
err() {
	echo "error: $*" >&2
	echo "run \`$subcmd --help\` for options" >&2
	exit 1
}

# debug:
# bc() { tee /dev/stderr | /usr/bin/bc ; }

fmt_time() {
	ss="$(echo "$1 / 1" | bc)"
	mm="$(echo "$ss / 60" | bc)"
	ss="$(echo "$ss % 60" | bc)"
	hh="$(echo "$mm / 60" | bc)"
	mm="$(echo "$mm % 60" | bc)"
	_time_fmt
}

_time_fmt() { # [HH:]MM:SS
	[ $hh -gt 0 ] && printf '%02d:' $hh
	printf "%02d:%02d\n" $mm $ss
}

# _time_fmt() { # [HHh]MMmSSs
# 	[ $hh -gt 0 ] && printf '%02dh' $hh
# 	printf "%02dm%02ds\n" $mm $ss
# }