Add live git status indicators (#458)

crates/yaak-git/src/repository.rs

@@ -1,5 +1,12 @@
 use crate::error::Error::{GitRepoNotFound, GitUnknown};
-use std::path::Path;
+use crate::error::{Error, Result};
+use std::path::{Path, PathBuf};
+
+#[derive(Debug, Clone)]
+pub struct GitRepositoryPaths {
+    pub workdir: PathBuf,
+    pub gitdir: PathBuf,
+}
 
 pub(crate) fn open_repo(dir: &Path) -> crate::error::Result<git2::Repository> {
     match git2::Repository::discover(dir) {
@@ -8,3 +15,17 @@ pub(crate) fn open_repo(dir: &Path) -> crate::error::Result<git2::Repository> {
         Err(e) => Err(GitUnknown(e)),
     }
 }
+
+pub fn git_repository_paths(dir: &Path) -> Result<GitRepositoryPaths> {
+    let repo = open_repo(dir)?;
+    let workdir = repo
+        .workdir()
+        .ok_or_else(|| Error::GenericError("Git repository does not have a worktree".into()))?
+        .to_path_buf();
+    Ok(GitRepositoryPaths { workdir, gitdir: repo.path().to_path_buf() })
+}
+
+pub fn git_path_is_ignored(dir: &Path, rela_path: &Path) -> Result<bool> {
+    let repo = open_repo(dir)?;
+    Ok(repo.status_should_ignore(rela_path)?)
+}