WIP: refactor: git: use thiserror and cleanup errors

crates/git/Cargo.toml

@@ -41,6 +41,7 @@ secrecy = { workspace = true }
 # error handling
 derive_more = { workspace = true }
 derive-with = { workspace = true }
+thiserror = { workspace = true }
 
 # # file watcher
 # inotify = { workspace = true }

crates/git/src/branch.rs

@@ -4,21 +4,23 @@ use git_next_config as config;
 
 pub type Result<T> = core::result::Result<T, Error>;
 
-#[derive(Debug, derive_more::Display, derive_more::From)]
+#[derive(Debug, thiserror::Error)]
 pub enum Error {
-    Network(kxio::network::NetworkError),
+    #[error("network: {0}")]
+    Network(#[from] kxio::network::NetworkError),
 
-    Fetch(git::fetch::Error),
+    #[error("fetch: {0}")]
+    Fetch(#[from] git::fetch::Error),
 
-    Push(git::push::Error),
+    #[error("push: {0}")]
+    Push(#[from] git::push::Error),
 
+    #[error("lock")]
     Lock,
-
-    Generic(String),
-    I1(gix::reference::iter::Error),
-    I2(gix::reference::iter::init::Error),
+    // Generic(String),
+    // I1(gix::reference::iter::Error),
+    // I2(gix::reference::iter::init::Error),
 }
-impl std::error::Error for Error {}
 
 pub fn reset(
     repository: &git::OpenRepository,

crates/git/src/fetch.rs

@@ -1,20 +1,20 @@
-#[derive(Debug, derive_more::Display)]
+#[derive(Debug, thiserror::Error)]
 pub enum Error {
+    #[error("unable to open repo: {0}")]
     UnableToOpenRepo(String),
+
+    #[error("no remote found")]
     NoFetchRemoteFound,
+
+    #[error("remote connect: {0}")]
     Connect(String),
-    Fetch(String),
+
+    #[error("prepare: {0}")]
+    Prepare(String),
+
+    #[error("receive: {0}")]
+    Receive(String),
+
+    #[error("lock")]
     Lock,
 }
-impl std::error::Error for Error {}
-
-mod gix_error {
-    #![cfg(not(tarpaulin_include))] // third-party library errors
-    use super::Error;
-
-    impl From<gix::remote::connect::Error> for Error {
-        fn from(gix_error: gix::remote::connect::Error) -> Self {
-            Self::Connect(gix_error.to_string())
-        }
-    }
-}

crates/git/src/push.rs

@@ -14,12 +14,16 @@ impl std::fmt::Display for Force {
     }
 }
 
-#[derive(Debug, derive_more::From, derive_more::Display)]
+#[derive(Debug, thiserror::Error)]
 pub enum Error {
-    Open(Box<gix::open::Error>),
-    Push,
+    #[error("gix open: {0}")]
+    Open(#[from] Box<gix::open::Error>),
+
+    #[error("io: {0}")]
+    Push(#[from] std::io::Error),
+
+    #[error("lock")]
     Lock,
 }
-impl std::error::Error for Error {}
 
 pub type Result<T> = core::result::Result<T, Error>;

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

@@ -3,7 +3,7 @@ use crate as git;
 use config::BranchName;
 use git_next_config as config;
 
-use gix::bstr::BStr;
+use gix::{bstr::BStr, clone::PrepareFetch};
 use std::sync::{Arc, Mutex};
 use tracing::{info, warn};
 
@@ -56,17 +56,13 @@ impl super::OpenRepositoryLike for RealOpenRepository {
             #[cfg(not(tarpaulin_include))] // test is on local repo - should always have remotes
             return Err(git::fetch::Error::NoFetchRemoteFound);
         };
-        let prepared_fetch = remote
-            .connect(gix::remote::Direction::Fetch)?
-            .prepare_fetch(gix::progress::Discard, Default::default());
-        match prepared_fetch {
-            Ok(fetch) => {
-                fetch
-                    .receive(gix::progress::Discard, &Default::default())
-                    .map_err(|e| git::fetch::Error::Fetch(e.to_string()))?;
-            }
-            Err(e) => Err(git::fetch::Error::Fetch(e.to_string()))?,
-        }
+        remote
+            .connect(gix::remote::Direction::Fetch)
+            .map_err(|gix| git::fetch::Error::Connect(gix.to_string()))?
+            .prepare_fetch(gix::progress::Discard, Default::default())
+            .map_err(|gix| git::fetch::Error::Prepare(gix.to_string()))?
+            .receive(gix::progress::Discard, &Default::default())
+            .map_err(|gix| git::fetch::Error::Receive(gix.to_string()))?;
         info!("Fetch okay");
         Ok(())
     }
@@ -101,31 +97,17 @@ impl super::OpenRepositoryLike for RealOpenRepository {
             .map_err(|_| git::push::Error::Lock)
             .map(|r| r.git_dir().to_path_buf())?;
         let ctx = gix::diff::command::Context {
-            git_dir: Some(git_dir.clone()),
+            git_dir: Some(git_dir),
             ..Default::default()
         };
-        match gix::command::prepare(command.expose_secret())
+        gix::command::prepare(command.expose_secret())
             .with_context(ctx)
             .with_shell_allow_argument_splitting()
             .stdout(std::process::Stdio::null())
             .stderr(std::process::Stdio::null())
-            .spawn()
-        {
-            Ok(mut child) => match child.wait() {
-                Ok(_) => {
-                    info!("Push okay");
-                    Ok(())
-                }
-                Err(err) => {
-                    warn!(?err, ?git_dir, "Failed (wait)");
-                    Err(git::push::Error::Push)
-                }
-            },
-            Err(err) => {
-                warn!(?err, ?git_dir, "Failed (spawn)");
-                Err(git::push::Error::Push)
-            }
-        }
+            .spawn()?
+            .wait()?;
+        Ok(())
     }
 
     fn commit_log(