Add support for git remotes (#42819)

Follow up of #42486 
Closes #26559



https://github.com/user-attachments/assets/e2f54dda-a78b-4d9b-a910-16d51f98a111



Release Notes:

- Added support for git remotes

---------

Signed-off-by: Benjamin <5719034+bnjjj@users.noreply.github.com>

crates/fs/src/fake_git_repo.rs

@@ -50,6 +50,8 @@ pub struct FakeGitRepositoryState {
     pub blames: HashMap<RepoPath, Blame>,
     pub current_branch_name: Option<String>,
     pub branches: HashSet<String>,
+    /// List of remotes, keys are names and values are URLs
+    pub remotes: HashMap<String, String>,
     pub simulated_index_write_error_message: Option<String>,
     pub refs: HashMap<String, String>,
 }
@@ -68,6 +70,7 @@ impl FakeGitRepositoryState {
             refs: HashMap::from_iter([("HEAD".into(), "abc".into())]),
             merge_base_contents: Default::default(),
             oids: Default::default(),
+            remotes: HashMap::default(),
         }
     }
 }
@@ -432,8 +435,13 @@ impl GitRepository for FakeGitRepository {
         })
     }
 
-    fn delete_branch(&self, _name: String) -> BoxFuture<'_, Result<()>> {
-        unimplemented!()
+    fn delete_branch(&self, name: String) -> BoxFuture<'_, Result<()>> {
+        self.with_state_async(true, move |state| {
+            if !state.branches.remove(&name) {
+                bail!("no such branch: {name}");
+            }
+            Ok(())
+        })
     }
 
     fn blame(&self, path: RepoPath, _content: Rope) -> BoxFuture<'_, Result<git::blame::Blame>> {
@@ -598,6 +606,19 @@ impl GitRepository for FakeGitRepository {
         unimplemented!()
     }
 
+    fn get_all_remotes(&self) -> BoxFuture<'_, Result<Vec<Remote>>> {
+        self.with_state_async(false, move |state| {
+            let remotes = state
+                .remotes
+                .keys()
+                .map(|r| Remote {
+                    name: r.clone().into(),
+                })
+                .collect::<Vec<_>>();
+            Ok(remotes)
+        })
+    }
+
     fn get_push_remote(&self, _branch: String) -> BoxFuture<'_, Result<Option<Remote>>> {
         unimplemented!()
     }
@@ -606,10 +627,6 @@ impl GitRepository for FakeGitRepository {
         unimplemented!()
     }
 
-    fn get_all_remotes(&self) -> BoxFuture<'_, Result<Vec<Remote>>> {
-        unimplemented!()
-    }
-
     fn check_for_pushed_commit(&self) -> BoxFuture<'_, Result<Vec<gpui::SharedString>>> {
         future::ready(Ok(Vec::new())).boxed()
     }
@@ -683,6 +700,20 @@ impl GitRepository for FakeGitRepository {
     fn default_branch(&self) -> BoxFuture<'_, Result<Option<SharedString>>> {
         async { Ok(Some("main".into())) }.boxed()
     }
+
+    fn create_remote(&self, name: String, url: String) -> BoxFuture<'_, Result<()>> {
+        self.with_state_async(true, move |state| {
+            state.remotes.insert(name, url);
+            Ok(())
+        })
+    }
+
+    fn remove_remote(&self, name: String) -> BoxFuture<'_, Result<()>> {
+        self.with_state_async(true, move |state| {
+            state.remotes.remove(&name);
+            Ok(())
+        })
+    }
 }
 
 #[cfg(test)]