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,
)