add: Deprecation warnings for old config values

Cargo.lock

@@ -1015,7 +1015,7 @@ dependencies = [
 [[package]]
 name = "pueue-lib"
 version = "0.18.2-alpha.0"
-source = "git+https://github.com/Nukesor/pueue-lib?branch=master#0be3c3a098f8a8c9276cade811704634a5597e3d"
+source = "git+https://github.com/Nukesor/pueue-lib?branch=master#a67e749564f225c855273454fefbf8622c253770"
 dependencies = [
  "async-trait",
  "byteorder",

client/main.rs

@@ -49,6 +49,15 @@ async fn main() -> Result<()> {
     // Try to read settings from the configuration file.
     let (settings, config_found) = Settings::read_with_defaults(&opt.config)?;
 
+    #[allow(deprecated)]
+    if settings.daemon.groups.is_some() {
+        println!(
+            "Please delete the 'daemon.groups' section from your config file.\n\
+            It is no longer used and groups can now only be edited via the commandline interface.\n\n\
+            Attention: The first time the daemon is restarted this update, the amount of parallel tasks per group will be reset to 1!!"
+        )
+    }
+
     // Error if no configuration file can be found, as this is an indicator, that the daemon hasn't
     // been started yet.
     if !config_found {

daemon/lib.rs

@@ -4,7 +4,7 @@ use std::{fs::create_dir_all, path::PathBuf};
 
 use anyhow::{bail, Result};
 use crossbeam_channel::{unbounded, Sender};
-use log::warn;
+use log::{error, warn};
 
 use pueue_lib::network::certificate::create_certificates;
 use pueue_lib::network::message::{Message, Shutdown};
@@ -55,6 +55,15 @@ pub async fn run(config_path: Option<PathBuf>, test: bool) -> Result<()> {
         }
     };
 
+    #[allow(deprecated)]
+    if settings.daemon.groups.is_some() {
+        error!(
+            "Please delete the 'daemon.groups' section from your config file. \n\
+            It is no longer used and groups can now only be edited via the commandline interface. \n\n\
+            Attention: The first time the daemon is restarted this update, the amount of parallel tasks per group will be reset to 1!!"
+        )
+    }
+
     init_directories(&settings.shared.pueue_directory());
     if !settings.shared.daemon_key().exists() && !settings.shared.daemon_cert().exists() {
         create_certificates(&settings.shared)?;

tests/fixtures/daemon.rs

@@ -128,11 +128,13 @@ pub fn daemon_base_setup() -> Result<(Settings, TempDir)> {
         status_datetime_format: "%Y-%m-%d\n%H:%M:%S".into(),
     };
 
+    #[allow(deprecated)]
     let daemon = Daemon {
         pause_group_on_failure: false,
         pause_all_on_failure: false,
         callback: None,
         callback_log_lines: 15,
+        groups: None,
     };
 
     let settings = Settings {