Merge remote-tracking branch 'upstream/master' into 20201113-update

* upstream/master:
  Use cargo-raze's gen_buildrs for trusted crates. (proxy-wasm#53)
  Show getrandom and chrono/time usage in examples. (proxy-wasm#51)
  Allow building for wasm32-wasi target using Bazel. (proxy-wasm#50)
  Update cargo-raze to latest and regenerate artifacts. (proxy-wasm#47)
  Update rules_rust to latest. (proxy-wasm#46)

.bazelrc

@@ -1,2 +1,2 @@
-# Force Bazel to use --target=wasm32-unknown-unknown.
-build --platforms=@io_bazel_rules_rust//rust/platform:wasm
+# Force Bazel to use --target=wasm32-wasi
+build --platforms=@io_bazel_rules_rust//rust/platform:wasi

.bazelversion

@@ -1 +1 @@
-3.4.1
+3.7.0

.github/workflows/rust.yml

@@ -59,8 +59,11 @@ jobs:
           ~/.cargo/registry
         key: ${{ hashFiles('WORKSPACE', '.bazelrc', '.bazelversion', 'bazel/cargo/Cargo.lock') }}
 
-    - name: Build
-      run: bazelisk build //...
+    - name: Build (wasm32-unknown-unknown)
+      run: bazelisk --bazelrc=/dev/null build --platforms=@io_bazel_rules_rust//rust/platform:wasm //...
+
+    - name: Build (wasm32-wasi)
+      run: bazelisk --bazelrc=/dev/null build --platforms=@io_bazel_rules_rust//rust/platform:wasi //...
 
     - name: Format (buildifier)
       run: |
@@ -72,7 +75,7 @@ jobs:
 
     - name: Format (cargo raze)
       run: |
-        cargo install cargo-raze --version 0.3.8
+        cargo install cargo-raze --version 0.7.0
         cp -p bazel/cargo/Cargo.lock .
         rm -rf bazel/cargo/
         cargo raze --output=bazel/cargo

Cargo.toml

@@ -17,20 +17,29 @@ log = "0.4"
 wee_alloc = { version = "0.4", optional = true }
 
 [dev-dependencies]
+cfg-if = "1.0"
 chrono = "0.4"
 
+[target.'cfg(not(all(target_arch = "wasm32", target_os = "unknown")))'.dev-dependencies]
+getrandom = "0.2"
+
 [profile.release]
 lto = true
 opt-level = 3
 panic = "abort"
 
-[raze]
+[package.metadata.raze]
 workspace_path = "//bazel/cargo"
-target = "wasm32-unknown-unknown"
 genmode = "Remote"
 
-[raze.crates.log.'0.4.11']
-additional_flags = ["--cfg=atomic_cas"]
+[package.metadata.raze.crates.getrandom.'=0.2.0']
+gen_buildrs = true
+
+[package.metadata.raze.crates.libc.'=0.2.80']
+gen_buildrs = true
+
+[package.metadata.raze.crates.log.'=0.4.11']
+gen_buildrs = true
 
 [[example]]
 name = "hello_world"

README.md

@@ -43,9 +43,9 @@ upstream won't add or is undecided or unresponsive about.
 
 When updating dependencies, you need to regenerate `BUILD` files to match updated `Cargo.toml`:
 ```
-cargo install cargo-raze --version 0.3.8
+cargo install cargo-raze --git https://github.com/google/cargo-raze --rev cb9f85d22b1c81cceb9acaf1fa4336c5fc4e6bff
 rm -rf bazel/cargo/
 cargo generate-lockfile
 cargo raze --output=bazel/cargo
 mv Cargo.lock bazel/cargo/
-```
+```

WORKSPACE

@@ -2,35 +2,20 @@ workspace(name = "proxy_wasm_rust_sdk")
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
-http_archive(
-    name = "bazel_skylib",
-    sha256 = "97e70364e9249702246c0e9444bccdc4b847bed1eb03c5a3ece4f83dfe6abc44",
-    urls = [
-        "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.0.2/bazel-skylib-1.0.2.tar.gz",
-        "https://github.com/bazelbuild/bazel-skylib/releases/download/1.0.2/bazel-skylib-1.0.2.tar.gz",
-    ],
-)
-
-load("@bazel_skylib//:workspace.bzl", "bazel_skylib_workspace")
-
-bazel_skylib_workspace()
-
 http_archive(
     name = "io_bazel_rules_rust",
-    sha256 = "484a2b2b67cd2d1fa1054876de7f8d291c4b203fd256bc8cbea14d749bb864ce",
-    # Last commit where "out_binary = True" works.
-    # See: https://github.com/bazelbuild/rules_rust/issues/386
-    strip_prefix = "rules_rust-fda9a1ce6482973adfda022cadbfa6b300e269c3",
-    url = "https://github.com/bazelbuild/rules_rust/archive/fda9a1ce6482973adfda022cadbfa6b300e269c3.tar.gz",
+    sha256 = "17dbf791f4dab0fd4496ce5345af35e9ce2f6d011c1c8423436da517d019a3ea",
+    strip_prefix = "rules_rust-2f97db595b05b1ee8cc44bde5bdf03c00bd169fb",
+    url = "https://github.com/bazelbuild/rules_rust/archive/2f97db595b05b1ee8cc44bde5bdf03c00bd169fb.tar.gz",
 )
 
 load("@io_bazel_rules_rust//rust:repositories.bzl", "rust_repositories")
 
 rust_repositories()
 
-load("@io_bazel_rules_rust//:workspace.bzl", "bazel_version")
+load("@io_bazel_rules_rust//:workspace.bzl", "rust_workspace")
 
-bazel_version(name = "bazel_version")
+rust_workspace()
 
 load("//bazel/cargo:crates.bzl", "raze_fetch_remote_crates")
 

bazel/cargo/BUILD.bazel

@@ -0,0 +1,58 @@
+"""
+@generated
+cargo-raze generated Bazel file.
+
+DO NOT EDIT! Replaced on runs of cargo-raze
+"""
+
+package(default_visibility = ["//visibility:public"])
+
+licenses([
+    "notice",  # See individual crates for specific licenses
+])
+
+# Aliased targets
+alias(
+    name = "cfg_if",
+    actual = "@raze__cfg_if__1_0_0//:cfg_if",
+    tags = [
+        "cargo-raze",
+        "manual",
+    ],
+)
+
+alias(
+    name = "chrono",
+    actual = "@raze__chrono__0_4_19//:chrono",
+    tags = [
+        "cargo-raze",
+        "manual",
+    ],
+)
+
+alias(
+    name = "getrandom",
+    actual = "@raze__getrandom__0_2_0//:getrandom",
+    tags = [
+        "cargo-raze",
+        "manual",
+    ],
+)
+
+alias(
+    name = "hashbrown",
+    actual = "@raze__hashbrown__0_9_1//:hashbrown",
+    tags = [
+        "cargo-raze",
+        "manual",
+    ],
+)
+
+alias(
+    name = "log",
+    actual = "@raze__log__0_4_11//:log",
+    tags = [
+        "cargo-raze",
+        "manual",
+    ],
+)