use std::{    fmt::{Debug, Formatter},    ops::{Deref, DerefMut},}; use crate::config::{CommitAutoRollback, Snapshot, SnapshotMut}; impl Debug for Snapshot<'_> {    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {        f.write_str(&self.repo.config.resolved.to_string())    }} impl Debug for CommitAutoRollback<'_> {    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {        f.write_str(&self.repo.as_ref().expect("still present").config.resolved.to_string())    }} impl Debug for SnapshotMut<'_> {    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {        f.write_str(&self.config.to_string())    }} impl Drop for SnapshotMut<'_> {    fn drop(&mut self) {        if let Some(repo) = self.repo.take() {            self.commit_inner(repo).ok();        };    }} impl Drop for CommitAutoRollback<'_> {    fn drop(&mut self) {        if let Some(repo) = self.repo.take() {            self.rollback_inner(repo).ok();        }    }} impl Deref for SnapshotMut<'_> {    type Target = git_config::File<'static>;     fn deref(&self) -> &Self::Target {        &self.config    }} impl Deref for Snapshot<'_> {    type Target = git_config::File<'static>;     fn deref(&self) -> &Self::Target {        self.plumbing()    }} impl Deref for CommitAutoRollback<'_> {    type Target = crate::Repository;     fn deref(&self) -> &Self::Target {        self.repo.as_ref().expect("always present")    }} impl DerefMut for CommitAutoRollback<'_> {    fn deref_mut(&mut self) -> &mut Self::Target {        self.repo.as_mut().expect("always present")    }} impl DerefMut for SnapshotMut<'_> {    fn deref_mut(&mut self) -> &mut Self::Target {        &mut self.config    }}