git blame: Parse permalinks client side (#10714)

Release Notes:

- N/A

crates/editor/src/git/blame.rs

@@ -4,6 +4,7 @@ use anyhow::Result;
 use collections::HashMap;
 use git::{
     blame::{Blame, BlameEntry},
+    permalink::{build_commit_permalink, parse_git_remote_url},
     Oid,
 };
 use gpui::{Model, ModelContext, Subscription, Task};
@@ -286,11 +287,13 @@ impl GitBlame {
                             entries,
                             permalinks,
                             messages,
+                            remote_url,
                         } = blame.await?;
 
                         let entries = build_blame_entry_sum_tree(entries, snapshot.max_point().row);
                         let commit_details =
-                            parse_commit_messages(messages, &permalinks, &languages).await;
+                            parse_commit_messages(messages, remote_url, &permalinks, &languages)
+                                .await;
 
                         anyhow::Ok((entries, commit_details))
                     }
@@ -379,13 +382,31 @@ fn build_blame_entry_sum_tree(entries: Vec<BlameEntry>, max_row: u32) -> SumTree
 
 async fn parse_commit_messages(
     messages: impl IntoIterator<Item = (Oid, String)>,
-    permalinks: &HashMap<Oid, Url>,
+    remote_url: Option<String>,
+    deprecated_permalinks: &HashMap<Oid, Url>,
     languages: &Arc<LanguageRegistry>,
 ) -> HashMap<Oid, CommitDetails> {
     let mut commit_details = HashMap::default();
+
+    let parsed_remote_url = remote_url.as_deref().and_then(parse_git_remote_url);
+
     for (oid, message) in messages {
         let parsed_message = parse_markdown(&message, &languages).await;
-        let permalink = permalinks.get(&oid).cloned();
+
+        let permalink = if let Some(git_remote) = parsed_remote_url.as_ref() {
+            Some(build_commit_permalink(
+                git::permalink::BuildCommitPermalinkParams {
+                    remote: git_remote,
+                    sha: oid.to_string().as_str(),
+                },
+            ))
+        } else {
+            // DEPRECATED (18 Apr 24): Sending permalinks over the wire is deprecated. Clients
+            // now do the parsing. This is here for backwards compatibility, so that
+            // when an old peer sends a client no `parsed_remote_url` but `deprecated_permalinks`,
+            // we fall back to that.
+            deprecated_permalinks.get(&oid).cloned()
+        };
 
         commit_details.insert(
             oid,