notifications: log directly when looking for toolchains

Author: djc

src/config.rs

@@ -8,7 +8,7 @@ use anyhow::{Context, Result, anyhow, bail};
 use serde::Deserialize;
 use thiserror::Error as ThisError;
 use tokio_stream::StreamExt;
-use tracing::{error, info, trace};
+use tracing::{debug, error, info, trace};
 
 use crate::dist::AutoInstallMode;
 use crate::{
@@ -815,7 +815,7 @@ impl<'a> Cfg<'a> {
             force_non_host,
         )?;
         if verbose {
-            (self.notify_handler)(Notification::LookingForToolchain(toolchain));
+            debug!("looking for installed toolchain {toolchain}");
         }
         let components: Vec<_> = components.iter().map(AsRef::as_ref).collect();
         let targets: Vec<_> = targets.iter().map(AsRef::as_ref).collect();

src/notifications.rs

@@ -26,7 +26,6 @@ pub(crate) enum Notification<'a> {
     /// member, but the notification callback is already narrowed to
     /// utils::notifications by the time tar unpacking is called.
     SetDefaultBufferSize(usize),
-    LookingForToolchain(&'a ToolchainDesc),
     ToolchainDirectory(&'a Path),
     UpdatingToolchain(&'a str),
     InstallingToolchain(&'a str),
@@ -59,7 +58,6 @@ impl Notification<'_> {
             | DownloadFinished(_)
             | DownloadFailed(_) => NotificationLevel::Debug,
             ToolchainDirectory(_)
-            | LookingForToolchain(_)
             | InstallingToolchain(_)
             | UpdatingToolchain(_)
             | ReadMetadataVersion(_)
@@ -98,7 +96,6 @@ impl Display for Notification<'_> {
             DownloadDataReceived(data, _) => write!(f, "received some data of size {}", data.len()),
             DownloadFinished(_) => write!(f, "download finished"),
             DownloadFailed(_) => write!(f, "download failed"),
-            LookingForToolchain(name) => write!(f, "looking for installed toolchain '{name}'"),
             ToolchainDirectory(path) => write!(f, "toolchain directory: '{}'", path.display()),
             UpdatingToolchain(name) => write!(f, "updating existing install for '{name}'"),
             InstallingToolchain(name) => write!(f, "installing toolchain '{name}'"),