feat: enable trace logging support

Cargo.toml

@@ -20,8 +20,8 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 tokio = { version = "1.41", features = ["full"] }
 toml = "0.8"
-#tracing= "0.1"
-#tracing-subscriber = "0.3"
+tracing= "0.1"
+tracing-subscriber = "0.3"
 
 [dev-dependencies]
 assert2 = "0.3"

src/lib.rs

@@ -27,6 +27,8 @@ use nextcloud::DeckClient;
 #[derive(Parser, Debug)]
 #[clap(version = clap::crate_version!(), author = clap::crate_authors!(), about = clap::crate_description!())]
 struct Commands {
+    #[clap(long, action = clap::ArgAction::SetTrue)]
+    log: bool,
     #[clap(subcommand)]
     command: Command,
 }
@@ -130,6 +132,15 @@ pub async fn run(ctx: Ctx) -> color_eyre::Result<()> {
     color_eyre::install()?;
 
     let commands = Commands::parse();
+    if commands.log {
+        tracing::subscriber::set_global_default(
+            tracing_subscriber::FmtSubscriber::builder()
+                .with_max_level(tracing::Level::TRACE)
+                .finish(),
+        )?;
+        tracing::info!("ready");
+    }
+
     let cfg = AppConfig::load(&ctx);
     match cfg {
         Err(err) => {