Support custom branches with ya pack

[uncenter]

yazi --debug output

N/A

Please describe the problem you're trying to solve

Mentioned in #1471, support for specifying a branch from which to install the plugin. Plugin authors may want to use branches to support upcoming/unreleased or older Yazi versions, or to test out features.

Would you be willing to contribute this feature?

• Yes, I'll give it a shot

Describe the solution you'd like

ya pack already can track a rev (formerly commit) in package.toml, so it should just be a matter of parsing the branch (rev) from the CLI arg.

Additional context

No response

Validations

• I have searched the existing issues
• The latest nightly build of Yazi doesn't already have this feature

[sxyazi]

Added to the feature request list, closing in favor of that.

But note that, as I mentioned in #1471 (comment), it might not end up happening as I still need to think about it more.

[github-actions]

I'm going to lock this issue because it has been closed for 30 days. ⏳
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