[lbussell]

Reading through our Dockerfiles can be a little confusing if you're not familiar with specific command line option abbreviations for curl, tar, etc.

This PR attempts to make them easier to read by using the long-form options:

• curl -fSLO -> curl --fail --silent --location --output
• tar -oxzf -> tar --gzip --extract --no-same-owner --file
• sha512sum -c ... -> sha512sum --check ...

[mthalman]

This is limited to the three commands you described. Are there plans to expand this everywhere? At a glance, I can see ln and mkdir as candidates. I guess what's the overall plan here?

[richlander]

Here's a HN post that describes much the same thing: https://news.ycombinator.com/item?id=43440184. It's useful context for folks (including us, later) who want to understand the motivation.

[lbussell]

Yes, I acknowledge that I left out mkdir and ln (and probably others). I can add them. I will also update CONTRIBUTING.md accordingly.

[mthalman]

Other commands I see that can use long form are rm -rf and useradd -l.

[lbussell]

OK, here's what I did:

• CONTRIBUTING.md now says the cli option choice is a preference, not a directive
• Reverted rm -rf because it is obvious
• Reverted ln -s and sha512sum -c because the alpine/busybox versions of those only support the shorthand arguments, and it keeps the templates simple and the Dockerfiles consistent
• Reverted package manager assume-yes changes per your comment.

[mthalman]

This strikes a good balance of short and long form, I think.

[lbussell]

(Markdown link check failure is a false positive)