feat: should fetch repo on startup when not cloning

We already have a copy of the repo, so we don't clone, but we should
perform a `git fetch` to make sure it is up-to-date.

crates/core/src/git/repository/mod.rs

@@ -1,6 +1,7 @@
 //
 use crate::{
     git::{
+        self,
         repository::{
             open::{OpenRepository, OpenRepositoryLike},
             test::TestRepository,
@@ -47,7 +48,9 @@ pub fn open(
 ) -> Result<Box<dyn OpenRepositoryLike>> {
     let open_repository = if repo_details.gitdir.exists() {
         info!("Local copy found - opening...");
-        repository_factory.open(repo_details)?
+        let repo = repository_factory.open(repo_details)?;
+        repo.fetch()?;
+        repo
     } else {
         info!("Local copy not found - cloning...");
         repository_factory.git_clone(repo_details)?
@@ -117,6 +120,9 @@ pub enum Error {
     #[error("git clone: {0}")]
     Clone(String),
 
+    #[error("git fetch: {0}")]
+    FetchError(#[from] git::fetch::Error),
+
     #[error("open: {0}")]
     Open(String),
 

crates/core/src/git/repository/open/oreal.rs

@@ -67,6 +67,7 @@ impl super::OpenRepositoryLike for RealOpenRepository {
     #[tracing::instrument(skip_all)]
     #[cfg(not(tarpaulin_include))] // would require writing to external service
     fn fetch(&self) -> Result<(), git::fetch::Error> {
+        info!("Fetching");
         gix::command::prepare("/usr/bin/git fetch --prune")
             .with_context(gix::diff::command::Context {
                 git_dir: Some(