[MacPorts] #56492: cargo_fetch: Add size to checksums

[MacPorts]

#56492: cargo_fetch: Add size to checksums
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 Reporter:  ryandesign   |      Owner:  (none)
     Type:  enhancement  |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:               |       Port:
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 The cargo_fetch portgroup only supports sha256 checksums. Since we want to
 add `size` to all ports' checksums, please add the capability to specify
 the `size` as the 4th argument of each tuple of `cargo.crates`.

 Since this portgroup is still new and only used in 5 ports so far, it
 might be fine to require the 4th argument, and to update the 5 ports, and
 the cargo2port script in contrib.

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Ticket URL: <https://trac.macports.org/ticket/56492>
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