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buildRustPackage: add documentation about cargoPatches

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Léo Gaspard 2018-08-14 11:20:30 +09:00
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doc/languages-frameworks/rust.section.md
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@ -59,6 +59,11 @@ all crate sources of this package. Currently it is obtained by inserting a
fake checksum into the expression and building the package once. The correct
checksum can be then take from the failed build.
When the `Cargo.lock`, provided by upstream, is not in sync with the
`Cargo.toml`, it is possible to use `cargoPatches` to update it. All patches
added in `cargoPatches` will also be prepended to the patches in `patches` at
build-time.
To install crates with nix there is also an experimental project called
[nixcrates](https://github.com/fractalide/nixcrates).