Make the sys-tuner oneliner actually copy-pastable

[ryoqun]

Problem

$ sudo solana-sys-tuner --user $(whoami)
sudo: solana-sys-tuner: command not found

because

$ type -p solana-sys-tuner
/home/sol/.local/share/solana/install/active_release/bin/solana-sys-tuner
$ sudo bash -c 'echo "$PATH"'
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin

Summary of Changes

$ sudo $(type -p solana-sys-tuner) --user $(whoami) --version
solana-sys-tuner 1.6.7 (src:ebb5fc12; feat:3458834192)

I think the bashism is ok for solana. :)

part of #13443

[t-nelson]

AFAIK which is more portable than type, could we switch to that?

[ryoqun]

AFAIK which is more portable than type, could we switch to that?

heh, if we want to pursue the portability, I'd rather like to use command according to shellcheck. Maybe docs need to be less opinionated? ;)

ref: https://github.com/koalaman/shellcheck/wiki/SC2230

$ command -v solana-sys-tuner
/home/sol/.local/share/solana/install/active_release/bin/solana-sys-tuner

[t-nelson]

r+, command -v sounds good 🙂

Pull request has been modified.