Nix example switched to using `crate_universe_dependencies(bootstrap …

…= True)`.

examples/nix_cross_compiling/WORKSPACE.bazel

@@ -16,16 +16,48 @@ load("//bazel:nix_repositories.bzl", "nix_repositories")
 
 nix_repositories()
 
+# Toolchains
+register_toolchains(
+    "//bazel/toolchains/cc/aarch64-apple-darwin:toolchain",
+    "//bazel/toolchains/cc/aarch64-apple-ios:toolchain",
+    "//bazel/toolchains/cc/aarch64-linux-android:toolchain",
+    "//bazel/toolchains/cc/aarch64-unknown-linux-gnu:toolchain",
+    "//bazel/toolchains/cc/wasm32-unknown-unknown:toolchain",
+    "//bazel/toolchains/cc/wasm32-wasi:toolchain",
+    "//bazel/toolchains/cc/x86_64-apple-darwin:toolchain",
+    "//bazel/toolchains/cc/x86_64-pc-windows-msvc:toolchain",
+    "//bazel/toolchains/cc/x86_64-unknown-linux-gnu:toolchain",
+    "//bazel/toolchains/cc/x86_64-unknown-nixos-gnu:toolchain",
+    "//bazel/toolchains/rust/aarch64-apple-darwin:toolchain",
+    "//bazel/toolchains/rust/aarch64-apple-ios:toolchain",
+    "//bazel/toolchains/rust/aarch64-linux-android:toolchain",
+    "//bazel/toolchains/rust/aarch64-unknown-linux-gnu:toolchain",
+    "//bazel/toolchains/rust/wasm32-unknown-unknown:toolchain",
+    "//bazel/toolchains/rust/wasm32-wasi:toolchain",
+    "//bazel/toolchains/rust/x86_64-apple-darwin:toolchain",
+    "//bazel/toolchains/rust/x86_64-pc-windows-msvc:toolchain",
+    "//bazel/toolchains/rust/x86_64-unknown-linux-gnu:toolchain",
+    "//bazel/toolchains/rust/x86_64-unknown-nixos-gnu:toolchain",
+)
+
 # Rust
 local_repository(
     name = "rules_rust",
     path = "../..",
 )
 
-load("@rules_rust//rust:repositories.bzl", "rules_rust_dependencies")
+load("@rules_rust//rust:repositories.bzl", "rules_rust_dependencies", "rust_register_toolchains")
 
 rules_rust_dependencies()
 
+rust_register_toolchains(
+    edition = "2021",
+)
+
+load("@rules_rust//crate_universe:repositories.bzl", "crate_universe_dependencies")
+
+crate_universe_dependencies(bootstrap = True)
+
 load("@rules_rust//crate_universe:defs.bzl", "crates_repository", "splicing_config")
 load("//bazel/cargo:crates_repository.bzl", CARGO_ANNOTATIONS = "ANNOTATIONS", CARGO_PACKAGES = "PACKAGES")
 
@@ -34,11 +66,9 @@ crates_repository(
     annotations = CARGO_ANNOTATIONS,
     cargo_lockfile = "//bazel/cargo:Cargo.lock",
     generate_build_scripts = False,
-    generator = "@cargo-bazel//:bin/cargo-bazel",
+    generator = "@cargo_bazel_bootstrap//:cargo-bazel",
     lockfile = "//bazel/cargo:cargo-bazel-lock.json",
     packages = CARGO_PACKAGES,
-    rust_toolchain_cargo_template = "@nix_rust//:bin/{tool}",
-    rust_toolchain_rustc_template = "@nix_rust//:bin/{tool}",
     splicing_config = splicing_config(
         resolver_version = "2",
     ),
@@ -59,27 +89,3 @@ crates_repository(
 load("@crate_index//:defs.bzl", "crate_repositories")
 
 crate_repositories()
-
-# Toolchains
-register_toolchains(
-    "//bazel/toolchains/cc/aarch64-apple-darwin:toolchain",
-    "//bazel/toolchains/cc/aarch64-apple-ios:toolchain",
-    "//bazel/toolchains/cc/aarch64-linux-android:toolchain",
-    "//bazel/toolchains/cc/aarch64-unknown-linux-gnu:toolchain",
-    "//bazel/toolchains/cc/wasm32-unknown-unknown:toolchain",
-    "//bazel/toolchains/cc/wasm32-wasi:toolchain",
-    "//bazel/toolchains/cc/x86_64-apple-darwin:toolchain",
-    "//bazel/toolchains/cc/x86_64-pc-windows-msvc:toolchain",
-    "//bazel/toolchains/cc/x86_64-unknown-linux-gnu:toolchain",
-    "//bazel/toolchains/cc/x86_64-unknown-nixos-gnu:toolchain",
-    "//bazel/toolchains/rust/aarch64-apple-darwin:toolchain",
-    "//bazel/toolchains/rust/aarch64-apple-ios:toolchain",
-    "//bazel/toolchains/rust/aarch64-linux-android:toolchain",
-    "//bazel/toolchains/rust/aarch64-unknown-linux-gnu:toolchain",
-    "//bazel/toolchains/rust/wasm32-unknown-unknown:toolchain",
-    "//bazel/toolchains/rust/wasm32-wasi:toolchain",
-    "//bazel/toolchains/rust/x86_64-apple-darwin:toolchain",
-    "//bazel/toolchains/rust/x86_64-pc-windows-msvc:toolchain",
-    "//bazel/toolchains/rust/x86_64-unknown-linux-gnu:toolchain",
-    "//bazel/toolchains/rust/x86_64-unknown-nixos-gnu:toolchain",
-)

examples/nix_cross_compiling/bazel/nix_repositories.bzl

@@ -201,12 +201,6 @@ rust_stdlib_filegroup(
 )
 """
 
-_CARGO_BAZEL_BUILD_FILE_CONTENT = """
-package(default_visibility = ["//visibility:public"])
-
-exports_files(["bin/cargo-bazel"])
-"""
-
 def nix_repositories():
     nixpkgs_flake_package(
         name = "nix_config",
@@ -223,11 +217,3 @@ def nix_repositories():
         package = "bazel.rust",
         build_file_content = _RUST_BUILD_FILE_CONTENT,
     )
-
-    nixpkgs_flake_package(
-        name = "cargo-bazel",
-        nix_flake_file = "@rules_rust//crate_universe:flake.nix",
-        nix_flake_lock_file = "@rules_rust//crate_universe:flake.lock",
-        package = "cargo-bazel",
-        build_file_content = _CARGO_BAZEL_BUILD_FILE_CONTENT,
-    )

util/repin_all.sh

@@ -1,10 +1,13 @@
-#!/bin/bash -eu
+#!/usr/bin/env bash
+set -eu
 
-# Re-generates all files which may need to be re-generated after changing crate_universe.
+# Normalize working directory to root of repository.
+cd "$(dirname "${BASH_SOURCE[0]}")"/..
 
+# Re-generates all files which may need to be re-generated after changing crate_universe.
 bazel run //crate_universe/3rdparty:crates_vendor
 
-for d in examples/crate_universe* test/no_std
+for d in examples/crate_universe* examples/nix_cross_compiling test/no_std
 do
-  (cd ${d} && CARGO_BAZEL_REPIN=true bazel query ... >/dev/null)
+  (cd ${d} && CARGO_BAZEL_REPIN=true bazel query @crate_index//... >/dev/null)
 done