web: Reduce docker build IO

[divinity76]

• binaryen xz is no longer stored on disk, instead being piped directly to tar
• only extract wasm-opt (the only file we're interested in)
• locate wasm-opt using wildcard, instead of keeping path in sync with version number.

we're doing the same with sh.rustup.rs below.

[torokati44]

Then I assume --quiet would make more sense instead of --progress=:giga, like below.

Also please tag the commit message (and PR title) according to https://github.com/ruffle-rs/ruffle/blob/master/CONTRIBUTING.md#commit-message-guidelines, and add a T-* and A-* label.

[divinity76]

Then I assume --quiet would make more sense instead of --progress=:giga, like below.

progress=:giga is there for a reason. The download can take a long time, it's 100MB compressed and sometimes github's download servers are randomly slow. Without the progress indicator, the docker build may appear to hang. Progress indicator is printed to stderr and does not corrupt the data stream for tar. Also it wasn't introduced by me, it appears to be introduced by you in a66ba15.

Also please tag the commit message (and PR title) according to https://github.com/ruffle-rs/ruffle/blob/master/CONTRIBUTING.md#commit-message-guidelines

done

, and add a T-* and A-* label.

I don't understand, please elaborate

[danielhjacobs]

Regarding the labels those can only be added if you have at least triage access to the repo which I don't think you have. I'll add them.

[torokati44]

Without the progress indicator, the docker build may appear to hang. Progress indicator is printed to stderr and does not corrupt the data stream for tar.

Regarding the labels those can only be added if you have at least triage access to the repo which I don't think you have. I'll add them.

Both good points, and thank you!