Remove duplication

src/main.rs

@@ -4,7 +4,7 @@
 mod docker_client;
 mod rails_new;
 use rails_new::{Cli, Commands};
-use std::io::Write;
+use std::{io::Write, process::Command};
 
 use clap::Parser;
 
@@ -34,22 +34,20 @@ fn main() {
 
     assert!(status.success());
 
+    let mut command: Command;
+
     match &cli.command {
         Some(Commands::RailsHelp {}) => {
-            let status = DockerClient::get_help(&ruby_version, &rails_version)
-                .status()
-                .expect("Failed to execute process");
-
-            assert!(status.success());
+            command = DockerClient::get_help(&ruby_version, &rails_version)
         }
 
         None => {
             // Run the image with docker run -v $(pwd):/$(pwd) -w $(pwd) rails-new-$RUBY_VERSION-$RAILS_VERSION rails new $@
-            let status = DockerClient::run_image(&ruby_version, &rails_version, cli.args)
-                .status()
-                .expect("Failed to execute process");
-
-            assert!(status.success());
+            command = DockerClient::run_image(&ruby_version, &rails_version, cli.args)
         }
     }
+
+    let status = command.status().expect("Failed to execute process");
+
+    assert!(status.success());
 }