Modular status panel for X11 and Wayland, inspired by https://github.com/jaagr/polybar
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#!/usr/bin/env bash
#
# pacman.sh - display number of packages update available
# by default check every hour
#
# USAGE: pacman.sh
#
# TAGS:
# Name Type Return
# -------------------------------------------
# {pacman} int number of pacman packages
# {aur} int number of aur packages
# {pkg} int sum of both
#
# Exemples configuration:
# - script:
# path: /absolute/path/to/pacman.sh
# args: []
# content: { string: { text: "{pacman} + {aur} = {pkg}" } }
#
# To display a message when there is no update:
# - script:
# path: /absolute/path/to/pacman.sh
# args: []
# content:
# map:
# tag: pkg
# default: { string: { text: "{pacman} + {aur} = {pkg}" } }
# values:
# 0: {string: {text: no updates}}
declare interval aur_helper pacman_num aur_num pkg_num
# Error message in STDERR
_err() {
printf -- '%s\n' "[$(date +'%Y-%m-%d %H:%M:%S')]: $*" >&2
}
# Display tags before yambar fetch the updates number
printf -- '%s\n' "pacman|int|0"
printf -- '%s\n' "aur|int|0"
printf -- '%s\n' "pkg|int|0"
printf -- '%s\n' ""
while true; do
# Change interval
# NUMBER[SUFFIXE]
# Possible suffix:
# "s" seconds / "m" minutes / "h" hours / "d" days
interval="1h"
# Change your aur manager
aur_helper="paru"
# Get number of packages to update
pacman_num=$(checkupdates | wc -l)
if ! hash "${aur_helper}" >/dev/null 2>&1; then
_err "aur helper not found, change it in the script"
exit 1
else
aur_num=$("${aur_helper}" -Qmu | wc -l)
fi
pkg_num=$(( pacman_num + aur_num ))
printf -- '%s\n' "pacman|int|${pacman_num}"
printf -- '%s\n' "aur|int|${aur_num}"
printf -- '%s\n' "pkg|int|${pkg_num}"
printf -- '%s\n' ""
sleep "${interval}"
done
unset -v interval aur_helper pacman_num aur_num pkg_num
unset -f _err