alt Hacker NewsIt's not piped to a shell, but to the tar program with specific parameters to directly unpack the tar.
You're still installing the program directly from github of course, instead of a source where hopefully a third party has also looked at it (like a package repository). But this is a lot better than the curl | sh pattern.
You're not downloading from github, but from dl.jitpass.com.
And an executable can do exactly the same as a shell script. The point is that whatever you're executing isn't verified, whether it's a shell script or a binary.