rust-embed is tainted with MPL-2 via option-ext

[neoeinstein]

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Hello, I wanted to raise a note that this crate currently has a transitive dependency on option-ext. That library is MPL-2, a copyleft license. The option-ext dependency is brought in via shellexpand's dependency on dirs. The maintainer of dirs has explicitly stated that they added a dependency on option-ext for the express purpose of tainting the use of dirs with MPL-2, which thus taints any use of rust-embed. I have filed a ticket with shellexpand to recommend using an alternate dependency such as etcetera, which does not suffer from this tainting issue.

[pyrossh]

Thanks. Hopefully shellexpand releases a new version soon. We might need to use alternatives with limitations if needed such as, https://crates.io/crates/tilde-expand