some improvements

src/cli/mod.rs

@@ -24,7 +24,7 @@ pub struct Cli {
     pub namespace: String,
 
     #[arg(short, long, default_value = "3")]
-    pub backoff_limit: usize,
+    pub backoff_limit: i32,
 }
 
 impl Cli {

src/kube/mod.rs

@@ -75,7 +75,7 @@ where
         &mut self,
         name: N,
         mut job_spec: JobSpec,
-        backoff_limit: usize,
+        backoff_limit: i32,
     ) -> Result<&Self> {
         let mut job: Job = serde_json::from_value(json!({
             "apiVersion": "batch/v1",
@@ -86,7 +86,7 @@ where
             "spec": {}
         }))?;
 
-        job_spec.backoff_limit = Some(backoff_limit as i32);
+        job_spec.backoff_limit = Some(backoff_limit);
         job.spec = Some(job_spec);
 
         self.job = Some(job);

src/kube/spec.rs

@@ -73,18 +73,21 @@ impl SpecHandler for JobSpec {
             .ok_or_else(|| anyhow!("Unable to found pod spec on job"))?;
 
         for (idx, container) in pod_spec.containers.iter_mut().enumerate() {
-            let Some(updated_env) =
-                envs.get(idx)
+            let updated_env =
+                match envs
+                    .get(idx)
                     .and_then(|cont| match cont.name == container.name {
                         true => Some(cont),
                         false => None,
-                    })
-            else {
-                return Err(anyhow!(
-                    "Unable to get the environment variable for the container {:?}",
-                    container.name
-                ));
-            };
+                    }) {
+                    Some(updated_env) => updated_env,
+                    None => {
+                        return Err(anyhow!(
+                            "Unable to get the environment variable for the container {:?}",
+                            container.name
+                        ));
+                    }
+                };
 
             if let Some(container_envs) = container.env.as_mut() {
                 for container_env in container_envs {