Squashed 'third_party/rules_rust/' content from commit bf59038ca
git-subtree-dir: third_party/rules_rust
git-subtree-split: bf59038cac11798cbaef9f3bf965bad8182b97fa
Signed-off-by: Brian Silverman <bsilver16384@gmail.com>
Change-Id: I5a20e403203d670df467ea97dde9a4ac40339a8d
diff --git a/examples/version_stamping/BUILD.bazel b/examples/version_stamping/BUILD.bazel
new file mode 100644
index 0000000..474c80f
--- /dev/null
+++ b/examples/version_stamping/BUILD.bazel
@@ -0,0 +1,17 @@
+load("@rules_rust//rust:defs.bzl", "rust_binary")
+
+package(default_visibility = ["//visibility:public"])
+
+rust_binary(
+ name = "version_reporter",
+ srcs = ["src/main.rs"],
+ rustc_env_files = [":generate_rustc_env_file"],
+)
+
+# See https://docs.bazel.build/versions/master/user-manual.html#workspace_status for more information.
+genrule(
+ name = "generate_rustc_env_file",
+ outs = ["rustc_env_file"],
+ cmd = "echo \"CARGO_PKG_VERSION=0.1.0-$$(awk '$$1 == \"BUILD_TIMESTAMP\" {print $$2}' bazel-out/volatile-status.txt)\" > $@",
+ stamp = True,
+)
diff --git a/examples/version_stamping/src/main.rs b/examples/version_stamping/src/main.rs
new file mode 100644
index 0000000..695c237
--- /dev/null
+++ b/examples/version_stamping/src/main.rs
@@ -0,0 +1,17 @@
+// Copyright 2021 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+fn main() {
+ println!("Version: {}", env!("CARGO_PKG_VERSION"));
+}