Store a Gemfile checksum in Gemfile.lock

[ChaeOkay]

Store a Gemfile checksum in Gemfile.lock, so we can skip the resolver when unchanged

• Generate checksum of Gemfile
• Store checksum in Gemfile.lock
• Compare checksums to determine if Gemfile has changed, and if not, skip the resolver
• Add tests

References Tasks anyone can claim

[ChaeOkay]

Working on this with @CoralineAda

[coilysiren]

@ChaeOkay @CoralineAda let me know if I can find some info / help for you! I figure you'll make a PR when you're ready ^_^

[colby-swandale]

ping @ChaeOkay, is still being worked on?

[ChaeOkay]

@colby-swandale apologies for not messaging earlier, unfortunately not at this time.

[mctaylorpants]

I can pick this up @colby-swandale, I've been hunting for something to work on 😄

[colby-swandale]

Awesome! I think @hmistry is working on something like this currently?

[hmistry]

@alextaylor000 Yep I'm working on this. At this point, it's an exploration feature.
@colby-swandale thanks.

[colby-swandale]

@alextaylor000 i'll update #4871 with some new issues that you're welcome to work on

[mctaylorpants]

Ok, no worries :)