diff --git a/doc/languages-frameworks/rust.section.md b/doc/languages-frameworks/rust.section.md index f17e1ba8d8f..9de9a06465f 100644 --- a/doc/languages-frameworks/rust.section.md +++ b/doc/languages-frameworks/rust.section.md @@ -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: