emit git fetch event

src-tauri/src/events.rs

@@ -34,6 +34,13 @@ impl Event {
         }
     }
 
+    pub fn git_fetch(project_id: &str) -> Self {
+        Event {
+            name: format!("project://{}/git/fetch", project_id),
+            payload: serde_json::json!({}),
+        }
+    }
+
     pub fn git_head(project_id: &str, head: &str) -> Self {
         Event {
             name: format!("project://{}/git/head", project_id),

src-tauri/src/watcher/events.rs

@@ -12,6 +12,7 @@ pub enum Event {
     GitFileChange(path::PathBuf),
     GitIndexChange,
     GitActivity,
+    GitFetch,
     GitHeadChange(String),
 
     ProjectFileChange(path::PathBuf),
@@ -31,6 +32,7 @@ impl Display for Event {
             Event::Tick(ts) => write!(f, "Tick({:?})", ts),
             Event::Flush(session) => write!(f, "Flush({})", session.id),
             Event::Fetch => write!(f, "Fetch"),
+            Event::GitFetch => write!(f, "GitFetch"),
             Event::FileChange(_) => write!(f, "FileChange"),
             Event::GitFileChange(_) => write!(f, "GitFileChange"),
             Event::GitIndexChange => write!(f, "GitIndexChange"),

src-tauri/src/watcher/handlers/git_file_change.rs

@@ -33,6 +33,10 @@ impl Handler {
             .with_context(|| "failed to open project repository for project")?;
 
         match path.as_ref().to_str().unwrap() {
+            "FETCH_HEAD" => {
+                log::info!("{}: git fetch", project.id);
+                Ok(vec![events::Event::GitFetch])
+            }
             "logs/HEAD" => {
                 log::info!("{}: git activity", project.id);
                 Ok(vec![events::Event::GitActivity])

src-tauri/src/watcher/handlers/mod.rs

@@ -132,6 +132,12 @@ impl<'handler> Handler {
                     .context("failed to send git head event")?;
                 Ok(vec![])
             }
+            events::Event::GitFetch => {
+                self.events_sender
+                    .send(app_events::Event::git_fetch(&self.project_id))
+                    .context("failed to send git fetch event")?;
+                Ok(vec![])
+            }
             events::Event::GitIndexChange => {
                 self.events_sender
                     .send(app_events::Event::git_index(&self.project_id))