WIP, re-doing fs and fake git repos

crates/project/src/fs.rs

@@ -1,6 +1,7 @@
 use anyhow::{anyhow, Result};
 use fsevent::EventStream;
 use futures::{future::BoxFuture, Stream, StreamExt};
+use git::repository::{FakeGitRepository, GitRepository, RealGitRepository};
 use language::LineEnding;
 use smol::io::{AsyncReadExt, AsyncWriteExt};
 use std::{
@@ -43,6 +44,7 @@ pub trait Fs: Send + Sync {
         path: &Path,
         latency: Duration,
     ) -> Pin<Box<dyn Send + Stream<Item = Vec<fsevent::Event>>>>;
+    async fn open_repo(&self, abs_dot_git: &Path) -> Option<Box<dyn GitRepository>>;
     fn is_fake(&self) -> bool;
     #[cfg(any(test, feature = "test-support"))]
     fn as_fake(&self) -> &FakeFs;
@@ -236,6 +238,10 @@ impl Fs for RealFs {
         })))
     }
 
+    fn open_repo(&self, abs_dot_git: &Path) -> Option<Box<dyn GitRepository>> {
+        RealGitRepository::open(&abs_dot_git)
+    }
+
     fn is_fake(&self) -> bool {
         false
     }
@@ -847,6 +853,10 @@ impl Fs for FakeFs {
         }))
     }
 
+    fn open_repo(&self, abs_dot_git: &Path) -> Option<Box<dyn GitRepository>> {
+        Some(FakeGitRepository::open(abs_dot_git.into(), 0))
+    }
+
     fn is_fake(&self) -> bool {
         true
     }