Implement ultraman check

[yukihirop]

Summary

Resolve #47

Work

• cargo run
• cargo start
• cargo export
• cargo check
• cargo check -f ./tmp/a/Procfile

(⎈ |minikube:default)#2022-04-02 20:11|yukihirop@FukudanoMacBook-Pro-2:~/RustProjects/ultraman (issues47/impl_ultraman_check)
$ cargo run check -f ./tmp/a/Procfile
    Finished dev [unoptimized + debuginfo] target(s) in 0.06s
     Running `target/debug/ultraman check -f ./tmp/a/Procfile`
./tmp/a/Procfile does not exist.

(⎈ |minikube:default)#2022-04-02 20:11|yukihirop@FukudanoMacBook-Pro-2:~/RustProjects/ultraman (issues47/impl_ultraman_check)
$ cargo run check
    Finished dev [unoptimized + debuginfo] target(s) in 0.05s
     Running `target/debug/ultraman check`
valid procfile detected (exit_0, exit_1, loop)
(⎈ |minikube:default)#2022-04-02 20:11|yukihirop@FukudanoMacBook-Pro-2:~/RustProjects/ultraman (issues47/impl_ultraman_check)

Test

• cargo test
• cargo test -- --ignored
• cargo test -- --nocapture