Present iPhone Git actions (#51)

crates/storage/tests/git_embedded.rs

@@ -98,6 +98,23 @@ fn local_git_workflow_stages_commits_diffs_logs_and_deletes() -> TestResult {
     Ok(())
 }
 
+#[test]
+fn user_commit_stages_every_current_change_in_storage() -> TestResult {
+    let temporary = tempfile::tempdir()?;
+    let store = Repository::open(temporary.path())?;
+    let git = GitRepository::init(&store, identity())?;
+    fs::write(temporary.path().join(".gpg-id"), b"ALICE\n")?;
+    fs::write(temporary.path().join("mail.gpg"), b"ciphertext")?;
+
+    let commit = git.commit_all("Save mobile changes.")?;
+
+    assert_eq!(commit.len(), 40);
+    assert!(git.status()?.is_clean());
+    assert_eq!(git.log(Some(1))?[0].message(), "Save mobile changes.");
+    assert_eq!(git.commit_all("Nothing changed"), Err(GitError::NoChanges));
+    Ok(())
+}
+
 #[test]
 fn nested_repository_selection_is_innermost() -> TestResult {
     let temporary = tempfile::tempdir()?;