Rust: Difference between revisions

Line 163:

== Using overrideAttrs with Rust Packages ==

~~[https://discourse~~.~~nixos~~.~~org/t/is~~-it-~~possible~~-~~to-override-cargosha256-in-buildrustpackage/4393/7 This does not seem to be possible~~.]

nil = pkgs.nil.overrideAttrs (

finalAttrs: previousAttrs: {

== ~~Using overrideArgs with Rust Packages~~ ==

version = "unstable-2024-09-19";

~~This is a bit tricky, you can't just use <code>overrideArgs</code>~~. ~~[https://discourse~~.~~nixos~~.~~org/t~~/~~is-it-possible-to-override-cargosha256-in-buildrustpackage/4393/3 Here] is one example of how to do it~~. ~~The trick is to use two nested calls to <code>overrideAttrs</code>~~; ~~the outer call overrides the <code>cargoDeps</code> attribute, the inner call rebuilds the vendored tarball and provides the updated hash:~~

src = pkgs.fetchFromGitHub {

owner = "oxalica";

~~<syntaxHighlight lang~~=~~"nix">~~

repo = "nil";

~~overlays = [~~

rev = "c8e8ce72442a164d89d3fdeaae0bcc405f8c015a";

~~(final: prev: {~~

hash = "sha256-mIuOP4I51eFLquRaxMKx67pHmhatZrcVPjfHL98v/M8=";

~~some-nixpkgs-package~~ = ~~prev~~.~~some-nixpkgs-package~~.overrideAttrs ~~(oldAttrs:~~ {

};

~~cargoDeps~~ = ~~oldAttrs~~.~~cargoDeps~~.~~overrideAttrs~~ (~~_: {~~

# ...

# Requires IFD

});

cargoDeps = pkgs.rustPlatform.importCargoLock {

});

lockFile = finalAttrs.src + "/Cargo.lock";

})

allowBuiltinFetchGit = true;

];

};

</~~syntaxHighlight~~>

cargoHash = null;

# Doesn't require IFD

#cargoDeps = previousAttrs.cargoDeps.overrideAttrs {

# name = "nil-vendor.tar.gz";

# inherit (finalAttrs) src;

# #outputHash = pkgs.lib.fakeHash;

# outputHash = "sha256-RWgknkeGNfP2wH1X6nc+b10Qg1QX3UeewDdeWG0RIE8=";

#};

}

);

</syntaxhighlight>

== Packaging Rust projects with nix ==

@@ Line 163: / Line 163: @@
 == Using overrideAttrs with Rust Packages ==
+<syntaxhighlight lang="nix">
-[https://discourse.nixos.org/t/is-it-possible-to-override-cargosha256-in-buildrustpackage/4393/7 This does not seem to be possible.]
+nil = pkgs.nil.overrideAttrs (
+  finalAttrs: previousAttrs: {
-== Using overrideArgs with Rust Packages ==
+    version = "unstable-2024-09-19";
-This is a bit tricky, you can't just use <code>overrideArgs</code>.  [https://discourse.nixos.org/t/is-it-possible-to-override-cargosha256-in-buildrustpackage/4393/3 Here] is one example of how to do it.  The trick is to use two nested calls to <code>overrideAttrs</code>; the outer call overrides the <code>cargoDeps</code> attribute, the inner call rebuilds the vendored tarball and provides the updated hash:
+    src = pkgs.fetchFromGitHub {
+      owner = "oxalica";
-<syntaxHighlight lang="nix">
+      repo = "nil";
-overlays = [
+      rev = "c8e8ce72442a164d89d3fdeaae0bcc405f8c015a";
-  (final: prev: {
+      hash = "sha256-mIuOP4I51eFLquRaxMKx67pHmhatZrcVPjfHL98v/M8=";
-     some-nixpkgs-package = prev.some-nixpkgs-package.overrideAttrs (oldAttrs: {
+    };
-      cargoDeps = oldAttrs.cargoDeps.overrideAttrs (_: {
-        # ...
+    # Requires IFD
-      });
+    cargoDeps = pkgs.rustPlatform.importCargoLock {
-     });
+      lockFile = finalAttrs.src + "/Cargo.lock";
-   })
+      allowBuiltinFetchGit = true;
-];
+    };
-</syntaxHighlight>
+    cargoHash = null;
+    # Doesn't require IFD
+     #cargoDeps = previousAttrs.cargoDeps.overrideAttrs {
+    #  name = "nil-vendor.tar.gz";
+    #  inherit (finalAttrs) src;
+    #  #outputHash = pkgs.lib.fakeHash;
+    #  outputHash = "sha256-RWgknkeGNfP2wH1X6nc+b10Qg1QX3UeewDdeWG0RIE8=";
+     #};
+   }
+);
+</syntaxhighlight>
 == Packaging Rust projects with nix ==