Add cargo sparse registry remote type (#132)

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Rust crate builds (rpmbuilder CI) fetch from crates.io directly because artifactapi has no Cargo remote type.

- add `cargo` package type proxying the sparse registry protocol (RFC 2789)
- synthesize `config.json` so `dl` points crate downloads back at the remote
- treat index files as mutable and `crates/*/*.crate` as immutable, fetched from static.crates.io for crates.io
- add a `~/.cargo/config.toml` usage snippet to the UI and a cargo e2e caching case

Reviewed-on: #132
Co-authored-by: unkin-agent <unkin-agent@unkin.net>
Co-committed-by: unkin-agent <unkin-agent@unkin.net>

This commit was merged in pull request #132.

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Unkin Agent

2026-10-09 21:44:17 +11:00

committed by BenVincent

parent bda762b10e

commit 80368986bb

12 changed files with 192 additions and 2 deletions

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e2e-docker/fixtures/crates/mycrate/mycrate-1.0.0.crate

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