feat(upgrade): link to release notes & blog post (#17073)

This change prints a link to the release notes to `deno upgrade` output
and its variations.

Release notes aren't printed for commands relating to canary versions.

Closes #16350.

1 files changed, 65 insertions, 1 deletions

diff --git a/cli/tools/upgrade.rs b/cli/tools/upgrade.rs
index 1b51e9034..d5bd2b3bb 100644
--- a/cli/tools/upgrade.rs
+++ b/cli/tools/upgrade.rs
@@ -162,6 +162,14 @@ impl<TEnvironment: UpdateCheckerEnvironment> UpdateChecker<TEnvironment> {
   }
 }
 
+fn get_minor_version(version: &str) -> &str {
+  version.rsplitn(2, '.').collect::<Vec<&str>>()[1]
+}
+
+fn has_same_minor_version(current_version: &str, new_version: &str) -> bool {
+  get_minor_version(current_version) == get_minor_version(new_version)
+}
+
 pub fn check_for_upgrades(http_client: HttpClient, cache_file_path: PathBuf) {
   if env::var("DENO_NO_UPDATE_CHECK").is_ok() {
     return;
@@ -199,12 +207,26 @@ pub fn check_for_upgrades(http_client: HttpClient, cache_file_path: PathBuf) {
           "{} {} → {} ",
           colors::green("A new release of Deno is available:"),
           colors::cyan(version::deno()),
-          colors::cyan(upgrade_version)
+          colors::cyan(&upgrade_version)
         );
         eprintln!(
           "{}",
           colors::italic_gray("Run `deno upgrade` to install it.")
         );
+        eprint!(
+          "{}{}",
+          colors::yellow(
+            "Release notes: https://github.com/denoland/deno/releases/tag/v"
+          ),
+          colors::yellow(&upgrade_version),
+        );
+        if !has_same_minor_version(&version::deno(), &upgrade_version) {
+          eprint!(
+            "{}{}",
+            colors::yellow("Blog post: https://deno.com/blog/v"),
+            colors::yellow(get_minor_version(&upgrade_version)),
+          );
+        }
       }
 
       update_checker.store_prompted();
@@ -290,6 +312,16 @@ pub async fn upgrade(
         && current_is_passed
       {
         log::info!("Version {} is already installed", crate::version::deno());
+        log::info!(
+          "{}{}",
+          "Release notes: https://github.com/denoland/deno/releases/tag/v",
+          crate::version::deno(),
+        );
+        log::info!(
+          "{}{}",
+          "Blog post: https://deno.com/blog/v",
+          get_minor_version(&crate::version::deno())
+        );
         return Ok(());
       } else {
         passed_version
@@ -327,6 +359,18 @@ pub async fn upgrade(
             crate::version::deno()
           }
         );
+        if !upgrade_flags.canary {
+          log::info!(
+            "{}{}",
+            "Release notes: https://github.com/denoland/deno/releases/tag/v",
+            crate::version::deno(),
+          );
+          log::info!(
+            "{}{}",
+            "Blog post: https://deno.com/blog/v",
+            get_minor_version(&crate::version::deno())
+          );
+        }
         return Ok(());
       } else {
         log::info!("Found latest version {}", latest_version);
@@ -364,6 +408,16 @@ pub async fn upgrade(
   if upgrade_flags.dry_run {
     fs::remove_file(&new_exe_path)?;
     log::info!("Upgraded successfully (dry run)");
+    log::info!(
+      "{}{}",
+      "Release notes: https://github.com/denoland/deno/releases/tag/v",
+      install_version,
+    );
+    log::info!(
+      "{}{}",
+      "Blog post: https://deno.com/blog/v",
+      get_minor_version(&install_version)
+    );
   } else {
     let output_exe_path =
       upgrade_flags.output.as_ref().unwrap_or(&current_exe_path);
@@ -395,6 +449,16 @@ pub async fn upgrade(
       }
     }
     log::info!("Upgraded successfully");
+    log::info!(
+      "{}{}",
+      "Release notes: https://github.com/denoland/deno/releases/tag/v",
+      &install_version,
+    );
+    log::info!(
+      "{}{}",
+      "Blog post: https://deno.com/blog/v",
+      get_minor_version(&install_version)
+    );
   }
 
   Ok(())