Support for macOS Apple Silicon

[robd003]

Currently this is building x64 and arm64 electron apps.
We could make DMGs of each and have end users select their platform.

Fixes

Issue Number: #7338

What is the current behavior?

Only x64 builds for macOS

What is the new behavior?

x64 & arm64 builds for macOS

Other information

PR Checklist

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What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting)
• Refactoring (no functional changes)
• Documentation changes
• Other - Please describe:

Please check all that apply to this PR using "x":

• I have checked that this PR is not a duplicate of an existing PR (open, closed or merged)
• I added a line describing my change to CHANGELOG.md
• I have checked that this PR does not introduce a breaking change
• This PR introduces breaking changes and I have provided a detailed explanation below

[jessopb]

Nice - thanks for trying this.
"electron-updater": "^4.2.4", needs to be 4.3.7, some threads say.

[robd003]

Todo:

• get lbrynet built as universal binary ( Enable macOS universal binary builds lbry-sdk#3516 )
• fix DMG filesystem if built on x64 so that it's APFS (macOS on M1 thinks HFS+ is "corrupted")

[jessopb]

Cool. I'm going to create my own branch of this and PR it so that CI will run.
I'm not terribly satisfied with our ability to test updates yet, but we'll see. I think we have to change 'rc' to 'alpha' in our versions and use a flag that allows using prereleases.

[robd003]

@jessopb If you want I can add you to my fork as a contributor so you can push any changes there

https://github.com/robd003/lbry-desktop/invitations

[jessopb]

I thikn if I push it, CI will run with the appropriate secrets? I'm not sure why it failed last time.

[robd003]

Quick note for building universal app:

import { makeUniversalApp } from '@electron/universal';

await makeUniversalApp({
  x64AppPath: 'dist/electron/mac/LBRY.app',
  arm64AppPath: 'dist/electron/mac-arm64/LBRY.app',
  outAppPath: 'dist/electron/mac-universal/LBRY.app',
});

[jessopb]

I think what I'm going to do is add a settings feature that allows people to enable prerelease autoupdates. We'll release that when we get this CSC thing ironed out for windows, then we'll do this as a prerelease that can be e2e tested.

[robd003]

@jessopb any chance you could nudge somebody on the team to take a look at this lbryio/lbry-sdk#3516 ?

[jessopb]

Yep, done. There was mention of it this morning at meeting.