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doc: rust: improve documentation on cargoLock.lockFile

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figsoda 2021-08-01 17:01:13 -04:00
parent dbe3fa5cba
commit a3925908e4
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10
doc/languages-frameworks/rust.section.md
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@ -129,7 +129,15 @@ rustPlatform.buildRustPackage rec {
```
This will retrieve the dependencies using fixed-output derivations from
the specified lockfile.
the specified lockfile. Note that setting `cargoLock.lockFile` doesn't
add a `Cargo.lock` to your `src`, and a `Cargo.lock` is still required
to build a rust package. A simple fix is to use:
```nix
postPatch = ''
cp ${./Cargo.lock} Cargo.lock
'';
```
The output hash of each dependency that uses a git source must be
specified in the `outputHashes` attribute. For example: