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index 0000000..3695594 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,22 @@ +[package] +name = "pacman-update-notify" +version = "0.1.0-dev0" +edition = "2021" +publish = false + + +[dependencies] +anyhow = "1.0" +zbus = "3.2" +zvariant = "3.7" +argh = "0.1" + +[dependencies.tokio] +version = "1" +features = ["rt-multi-thread", "sync", "process", "time", "macros"] + + +[profile.release] +lto = "fat" +opt-level = 3 +strip = "debuginfo" diff --git a/Gemfile b/Gemfile deleted file mode 100644 index fadf465..0000000 --- a/Gemfile +++ /dev/null @@ -1,8 +0,0 @@ -source 'https://rubygems.org' - -# to access the notification service -gem 'ruby-dbus' - -group :development do - gem 'pry' -end diff --git a/README.md b/README.md index d1e89e1..c96eadc 100644 --- a/README.md +++ b/README.md @@ -1,11 +1,9 @@ # Pacman Update Notifier -Simple update notification script for pacman. + +Simple update notifier for pacman. Uses DBus to send update notifications. -## Setup -Clone this repositiory. +## Installation -Run `bundle install` inside the clone directory. - -Then run `bundle exec ruby ./pacman-update-notify.rb`. +Run `cargo install https://gitea.valeth.me/valeth/pacman-update-notify`. diff --git a/pacman-update-notify.rb b/pacman-update-notify.rb deleted file mode 100644 index a457026..0000000 --- a/pacman-update-notify.rb +++ /dev/null @@ -1,49 +0,0 @@ -#!/usr/bin/env ruby - -require "dbus" -require "logger" - -Thread.abort_on_exception = true - -interval = ARGV.fetch(0) { 3600 } -last_check = 0 -update_queue = Queue.new -threads = [] -@dbus = DBus.session_bus["org.freedesktop.Notifications"]["/org/freedesktop/Notifications"]["org.freedesktop.Notifications"] -@log = Logger.new(STDOUT) -@log.formatter = proc do |severity, datetime, _progname, message| - "[#{severity}] #{datetime} #{message}\n" -end - -def notify(updates) - message = "#{updates} updates available" - @log.info { message } - @dbus.Notify("pacman", 0, "package-x-generic", "Pacman", message, [], [], 3000) -end - -threads << Thread.new do - @log.info { "Checking every #{interval} seconds" } - loop do - @log.info { "Checking for updates..." } - update_queue << `pacman -Qqu`.split("\n").size - sleep(interval.to_i) - end -end - -threads.last.name = "UpdateCheck" - -threads << Thread.new do - loop do - updates = update_queue.deq - if updates != last_check - last_check = updates - notify(updates) unless updates.zero? - else - @log.info { "No new updates available" } - end - end -end - -threads.last.name = "UpdateNotify" - -threads.each(&:join) diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..c465246 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,103 @@ +#![allow(clippy::too_many_arguments)] + +use std::{collections::HashMap, time::Duration}; + +use anyhow::Result; +use tokio::{ + process::Command, + sync::mpsc::{self, Receiver, Sender}, +}; +use zbus::Connection; +use zvariant::Value; + +type VariantMap<'a> = HashMap<&'a str, &'a Value<'a>>; + +#[zbus::dbus_proxy] +trait Notifications { + async fn notify( + &self, + app_name: &str, + replaces_id: u32, + app_icon: &str, + summary: &str, + body: &str, + actions: &[&str], + hints: VariantMap<'_>, + timeout: i32, + ) -> zbus::Result; +} + +#[derive(argh::FromArgs)] +/// Simple pacman update notifier +struct Args { + /// the update check interval in seconds + #[argh(option, short = 'i')] + interval: u64, +} + +#[tokio::main] +async fn main() -> Result<()> { + let args: Args = argh::from_env(); + let interval = Duration::from_secs(args.interval); + + let (tx, rx) = mpsc::channel(1); + + tokio::spawn(async move { + update_check(tx, interval) + .await + .map_err(|e| eprintln!("{}", e)) + }); + + if let Err(err) = notifier(rx).await { + eprintln!("{}", err) + } + + Ok(()) +} + +async fn update_check(tx: Sender, interval: Duration) -> Result<()> { + let mut interval = tokio::time::interval(interval); + + loop { + interval.tick().await; + + let cmd = Command::new("pacman").arg("-Qqu").output(); + let output = cmd.await?; + let stdout = String::from_utf8(output.stdout)?; + + let pkg_count = stdout.split('\n').count() as u64; + + tx.send(pkg_count).await?; + } +} + +async fn notifier(mut rx: Receiver) -> Result<()> { + let conn = Connection::session().await?; + let proxy = NotificationsProxy::new(&conn).await?; + + let mut last_check = 0; + + while let Some(pkg_count) = rx.recv().await { + if pkg_count == 0 || pkg_count == last_check { + continue; + } + + last_check = pkg_count; + let message = format!("{} updates available", pkg_count); + + proxy + .notify( + "pacman", + 0, + "package-x-generic", + "Pacman", + message.as_ref(), + &[], + VariantMap::new(), + 3000, + ) + .await?; + } + + Ok(()) +}