fix: Improved the first-time run behavior so that it outputs the default configuration file it tries to load to help users locate the file on first-runs

src/app/mod.rs

@@ -346,11 +346,11 @@ pub struct AppConfig {
 }
 
 impl AppConfig {
-  pub fn validate(&self) {
+  pub fn validate(&self, config_path: &str) {
     if self.lidarr.is_none() && self.radarr.is_none() && self.sonarr.is_none() {
-      log_and_print_error(
-        "No Servarr configuration provided in the specified configuration file".to_owned(),
-      );
+      log_and_print_error(format!(
+        "No Servarrs are configured in the file: {config_path}"
+      ));
       process::exit(1);
     }
 

src/main.rs

@@ -2,7 +2,7 @@
 #[macro_use]
 extern crate assertables;
 
-use anyhow::Result;
+use anyhow::{Context, Result};
 use clap::{
   Args, CommandFactory, Parser, crate_authors, crate_description, crate_name, crate_version,
 };
@@ -127,25 +127,30 @@ async fn main() -> Result<()> {
   let running = Arc::new(AtomicBool::new(true));
   let r = running.clone();
   let args = Cli::parse();
+  let config_file_path = confy::get_configuration_file_path("managarr", "config")?;
+  let default_config_path = config_file_path.display().to_string();
 
   if matches!(args.command, Some(Command::ConfigPath)) {
-    println!(
-      "{}",
-      confy::get_configuration_file_path("managarr", "config")?.display()
-    );
-
+    println!("{default_config_path}");
     return Ok(());
   }
 
-  let mut config = if let Some(ref config_file) = args.global.config_file {
-    load_config(config_file.to_str().expect("Invalid config file specified"))?
+  let (mut config, config_path) = if let Some(ref config_file) = args.global.config_file {
+    (
+      load_config(config_file.to_str().expect("Invalid config file specified"))?,
+      config_file.display().to_string(),
+    )
   } else {
-    confy::load("managarr", "config")?
+    (
+      confy::load("managarr", "config")
+        .with_context(|| format!("Config file at '{default_config_path}' is invalid"))?,
+      default_config_path,
+    )
   };
   let theme_name = config.theme.clone();
   let spinner_disabled = args.global.disable_spinner;
   debug!("Managarr loaded using config: {config:?}");
-  config.validate();
+  config.validate(&config_path);
   config.post_process_initialization();
 
   let reqwest_client = build_network_client(&config);

src/utils.rs

@@ -146,7 +146,7 @@ pub(super) fn load_config(path: &str) -> Result<AppConfig> {
       Ok(config)
     }
     Err(e) => {
-      log_and_print_error(format!("Unable to open config file: {e:?}"));
+      log_and_print_error(format!("Unable to open config file '{path}': {e:?}"));
       process::exit(1);
     }
   }