chore: clippy and fmt

src/actions/container.rs

@@ -197,11 +197,7 @@ pub fn config_os(instance: Option<&str>) -> Result<()> {
         }
         warn!(
             "Please rollback {} for the new config to take effect!",
-            if let Some(inst) = instance {
-                inst
-            } else {
-                "all your instances"
-            }
+            instance.unwrap_or("all your instances"),
         );
     } else {
         return Err(anyhow!("Could not recognize the configuration."));
@@ -403,8 +399,8 @@ fn apt_update_os(instance: &str) -> Result<()> {
         return Err(anyhow!("Failed to update OS: {}", status));
     }
 
-    commit_container(&instance)?;
-    remove_instance(&instance)?;
+    commit_container(instance)?;
+    remove_instance(instance)?;
 
     Ok(())
 }

src/main.rs

@@ -18,7 +18,6 @@ use console::{style, user_attended};
 use dotenvy::dotenv;
 use std::process;
 use std::{path::Path, process::Command};
-use libc;
 
 use crate::actions::BuildSettings;
 use crate::common::*;
@@ -101,7 +100,9 @@ fn update_tree(path: &Path, branch: Option<&String>, rebase_from: Option<&String
 
 fn main() -> Result<()> {
     // set umask to 022 to ensure correct permissions on rootfs
-    unsafe { libc::umask(libc::S_IWGRP | libc:: S_IWOTH); }
+    unsafe {
+        libc::umask(libc::S_IWGRP | libc::S_IWOTH);
+    }
 
     // source .env file, ignore errors
     dotenv().ok();