new: add use_cl option and separate to function

src/cmd_args.rs

@@ -69,6 +69,9 @@ pub(crate) enum Commands {
         /// Manually specify ssh key
         #[arg(long)]
         ssh_key: Option<PathBuf>,
+        /// Use git command.
+        #[arg(short, long)]
+        use_cl: bool,
     },
 
     /// Check config files validity.

src/cmd_sync.rs

@@ -3,14 +3,28 @@ use std::{
     path::{Path, PathBuf},
 };
 
-use anyhow::{anyhow, Context, Result};
-use git2::{build::CheckoutBuilder, Cred, FetchOptions, PushOptions, RemoteCallbacks, Repository};
+use anyhow::{Context, Result, anyhow};
+use git2::{Cred, FetchOptions, PushOptions, RemoteCallbacks, Repository, build::CheckoutBuilder};
 
 pub(crate) fn cmd_sync(
     config_dir: &PathBuf,
     remote_name: Option<String>,
     use_sshagent: bool,
     ssh_key: Option<PathBuf>,
+    use_cl: bool,
+) -> Result<()> {
+    if use_cl {
+        todo!("do here next")
+    } else {
+        cmd_sync_custom(config_dir, remote_name, use_sshagent, ssh_key)
+    }
+}
+
+fn cmd_sync_custom(
+    config_dir: &PathBuf,
+    remote_name: Option<String>,
+    use_sshagent: bool,
+    ssh_key: Option<PathBuf>,
 ) -> Result<()> {
     info!("cmd_sync");
     let repo = Repository::open(config_dir)?;

src/main.rs

@@ -96,7 +96,8 @@ fn main() -> Result<()> {
             remote_name,
             use_sshagent,
             ssh_key,
-        } => cmd_sync::cmd_sync(&config_dir, remote_name, use_sshagent, ssh_key)?,
+            use_cl,
+        } => cmd_sync::cmd_sync(&config_dir, remote_name, use_sshagent, ssh_key, use_cl)?,
         Commands::Status {
             path,
             storage,