Implement TUI search and mutation workflows

crates/storage/src/git.rs

@@ -275,6 +275,36 @@ pub enum AutomaticPolicyCommitter {
     None(crate::recipient::NoGitCommitter),
 }
 
+/// Storage-owned selection of pass-compatible automatic Git commits for a
+/// remove, move, or copy transaction.
+pub enum AutomaticTreeCommitter {
+    Git(Box<GitRepository>),
+    None(crate::mutation::NoGitTreeCommitter),
+}
+
+impl AutomaticTreeCommitter {
+    pub fn for_source(
+        repository: &Repository,
+        source: &str,
+        identity: GitIdentity,
+    ) -> Result<Self, GitError> {
+        match GitRepository::open_innermost(repository, Path::new(source), identity) {
+            Ok(git) => Ok(Self::Git(Box::new(git))),
+            Err(GitError::NotRepository) => Ok(Self::None(crate::mutation::NoGitTreeCommitter)),
+            Err(error) => Err(error),
+        }
+    }
+}
+
+impl TreeCommitter for AutomaticTreeCommitter {
+    fn commit(&mut self, change: &TreeCommit) -> Result<(), TreeCommitError> {
+        match self {
+            Self::Git(git) => TreeCommitter::commit(git.as_mut(), change),
+            Self::None(committer) => committer.commit(change),
+        }
+    }
+}
+
 impl AutomaticPolicyCommitter {
     pub fn for_directory(
         repository: &Repository,