cargo-vendor: Build from source using carnix

Removes a binary bootstrap, and enables cargo-vendor on aarch64.

pkgs/build-support/rust/cargo-vendor.nix

@@ -1,34 +0,0 @@
-{ fetchurl, stdenv }:
-let
-  inherit (stdenv) system;
-
-  version = "0.1.12";
-
-  hashes = {
-    x86_64-linux = "1hxlavcxy374yypfamlkygjg662lhll8j434qcvdawkvlidg5ii5";
-    x86_64-darwin = "1jkvhh710gwjnnjx59kaplx2ncfvkx9agfa76rr94sbjqq4igddm";
-  };
-  hash = hashes. ${system} or badSystem;
-
-  badSystem = throw "missing bootstrap hash for platform ${system}";
-
-  platforms = {
-    x86_64-linux = "x86_64-unknown-linux-musl";
-    x86_64-darwin = "x86_64-apple-darwin";
-  };
-  platform = platforms . ${system} or badSystem;
-
-in stdenv.mkDerivation {
-  name = "cargo-vendor-${version}";
-
-  src = fetchurl {
-     url = "https://github.com/alexcrichton/cargo-vendor/releases/download/${version}/cargo-vendor-${version}-${platform}.tar.gz";
-     sha256 = hash;
-  };
-
-  phases = "unpackPhase installPhase";
-
-  installPhase = ''
-    install -Dm755 cargo-vendor $out/bin/cargo-vendor
-  '';
-}

pkgs/build-support/rust/cargo-vendor/default.nix

@@ -0,0 +1,10 @@
+{ callPackage, fetchFromGitHub }:
+
+(callPackage ./cargo-vendor.nix {}).cargo_vendor_0_1_13.overrideAttrs (attrs: {
+  src = fetchFromGitHub {
+    owner = "alexcrichton";
+    repo = "cargo-vendor";
+    rev = "0.1.13";
+    sha256 = "0ljh2d65zpxp26a95b3czy5ai2z2dm87x7ndfdc1s0v1fsy69kn4";
+  };
+})

pkgs/build-support/rust/default-crate-overrides.nix

@@ -1,9 +1,38 @@
-{ pkgconfig, sqlite, openssl, ... }:
+{ stdenv, pkgconfig, curl, darwin, libiconv, libgit2, libssh2,
+  openssl, sqlite, zlib, ... }:
 
+let
+  inherit (darwin.apple_sdk.frameworks) CoreFoundation;
+in
 {
+  cargo = attrs: {
+    buildInputs = [ openssl zlib curl ]
+      ++ stdenv.lib.optionals stdenv.isDarwin [ CoreFoundation libiconv ];
+    # TODO: buildRustCrate seems to use incorrect default inference
+    crateBin = [ {  name = "cargo"; path = "src/bin/cargo.rs"; } ];
+  };
+  cargo-vendor = attrs: {
+    buildInputs = [ openssl zlib curl ];
+    # TODO: this defaults to cargo_vendor; needs to be cargo-vendor to
+    # be considered a cargo subcommand.
+    crateBin = [ { name = "cargo-vendor"; path = "src/main.rs"; } ];
+  };
+  curl-sys = attrs: {
+    buildInputs = [ pkgconfig curl ];
+  };
+  libgit2-sys = attrs: {
+    LIBGIT2_SYS_USE_PKG_CONFIG = true;
+    buildInputs = [ pkgconfig openssl zlib libgit2 ];
+  };
   libsqlite3-sys = attrs: {
     buildInputs = [ pkgconfig sqlite ];
   };
+  libssh2-sys = attrs: {
+    buildInputs = [ pkgconfig openssl zlib libssh2 ];
+  };
+  openssl = attrs: {
+    buildInputs = [ openssl ];
+  };
   openssl-sys = attrs: {
     buildInputs = [ pkgconfig openssl ];
   };

pkgs/build-support/rust/default.nix

@@ -1,8 +1,6 @@
-{ fetchurl, stdenv, path, cacert, git, rust }:
+{ callPackage, fetchurl, stdenv, path, cacert, git, rust }:
 let
-  cargoVendor = import ./cargo-vendor.nix {
-    inherit fetchurl stdenv;
-  };
+  cargoVendor = callPackage ./cargo-vendor {};
 
   fetchcargo = import ./fetchcargo.nix {
     inherit stdenv cacert git rust cargoVendor;