Lîm Tsú-thuàn

NOTE: who wants to implement #3150 should base on this structure, and refine out more details.

NOTE: squash

@q82419 Do you also consider a new `class ComponentValidator`?

riscv ```sh Dockerfile.aarch64.ubuntu18.04:3 -------------------- 1 | FROM riscv64/ubuntu 2 | COPY ./run-on-arch-install.sh /root/run-on-arch-install.sh 3 | >>> RUN chmod +x /root/run-on-arch-install.sh && /root/run-on-arch-install.sh -------------------- ERROR: failed to solve: process "/bin/sh -c...

LOG Ubuntu segment fault.

NOTE: Rebasing introduce missing cases and lead to build failures.

@Kuntal271 please fix the DCO check, you need to leave your email at Sign-Off line in commit message, then fix the conflicts.

Please rebase to the latest changes.

I believe follow the code around that is proper style, extra requirements can be asked in PR.

https://doc.rust-lang.org/std/fs/fn.read_to_string.html# It seems stable now, which Rust version is involved? By the way, @anshikavashistha your solution is totally wrong, the issue says both won't work.