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Merge pull request #113176 from danieldk/cargoDepsName

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buildRustPackage: add cargoDepsName attribute
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Graham Christensen 2021-02-23 10:02:45 -05:00 committed by GitHub
parent 5eafa2966d d92396039d
commit 3ef281c3a2
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2 changed files with 32 additions and 1 deletions
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27
doc/languages-frameworks/rust.section.md
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@ -80,6 +80,33 @@ The fetcher will verify that the `Cargo.lock` file is in sync with the `src`
attribute, and fail the build if not. It will also will compress the vendor
directory into a tar.gz archive.
The tarball with vendored dependencies contains a directory with the
package's `name`, which is normally composed of `pname` and
`version`. This means that the vendored dependencies hash
(`cargoSha256`/`cargoHash`) is dependent on the package name and
version. The `cargoDepsName` attribute can be used to use another name
for the directory of vendored dependencies. For example, the hash can
be made invariant to the version by setting `cargoDepsName` to
`pname`:
```nix
rustPlatform.buildRustPackage rec {
pname = "broot";
version = "1.2.0";
src = fetchCrate {
inherit pname version;
sha256 = "1mqaynrqaas82f5957lx31x80v74zwmwmjxxlbywajb61vh00d38";
};
cargoHash = "sha256-JmBZcDVYJaK1cK05cxx5BrnGWp4t8ca6FLUbvIot67s=";
cargoDepsName = pname;
# ...
}
```
### Cross compilation
By default, Rust packages are compiled for the host platform, just like any

6
pkgs/build-support/rust/default.nix
View file

@ -23,6 +23,9 @@
# Legacy hash
, cargoSha256 ? ""
# Name for the vendored dependencies tarball
, cargoDepsName ? name
, src ? null
, srcs ? null
, unpackPhase ? null
@ -60,7 +63,8 @@ let
cargoDeps = if cargoVendorDir == null
then fetchCargoTarball ({
inherit name src srcs sourceRoot unpackPhase cargoUpdateHook;
inherit src srcs sourceRoot unpackPhase cargoUpdateHook;
name = cargoDepsName;
hash = cargoHash;
patches = cargoPatches;
sha256 = cargoSha256;