initial commit

.bazelignore

@@ -0,0 +1,2 @@
+workspace_status_command.exe
+workspace_status_command

.bazelrc

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+# Building on non-windows with not clang-cl is not supported at this time
+# See issue: https://github.com/zaucy/ZoneControl/issues/82
+build --compiler=clang-cl
+build --cxxopt=-fcolor-diagnostics
+build --cxxopt=-fansi-escape-codes
+build --cxxopt=/D_HAS_DEPRECATED_RESULT_OF=1
+build --cxxopt=-Xclang
+build --cxxopt=-std=c++20
+build --cxxopt=/Zc:__cplusplus
+
+# For boost, because it's really annoying.
+build --cxxopt=-Wno-macro-redefined

.bazelversion

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+3.7.2

.buildkite/pipeline.yml

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+steps:
+- command: bazel build //...

.gitignore

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+/bazel-*
+/workspace_status_command.exe
+/workspace_status_command

BUILD.bazel

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+load("@rules_cc//cc:defs.bzl", "cc_binary")
+load("@bzlws//:index.bzl", "bzlws_copy")
+load("@com_github_zaucy_rules_7zip//:defs.bzl", "pkg_7z")
+
+cc_binary(
+    name = "workspace_status_command",
+    visibility = ["//visibility:public"],
+    srcs = ["workspace_status_command.cc"],
+    defines = ["_SILENCE_CLANG_COROUTINE_MESSAGE=1"],
+    deps = [
+        "@boost//:process",
+        "@boost//:asio",
+    ],
+)
+
+bzlws_copy(
+    name = "copy_workspace_status_command",
+    out = "{FILENAME}",
+    srcs = [":workspace_status_command"],
+)
+
+pkg_7z(
+    name = "archive",
+    extension = "zip",
+    srcs = [
+        ":workspace_status_command",
+        "workspace_status.bat",
+        "workspace_status.cmd",
+        "workspace_status.sh",
+    ],
+)

WORKSPACE

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+workspace(name = "zonecontrol_workspace_status_command")
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
+
+git_repository(
+    name = "com_github_nelhage_rules_boost",
+    commit = "df0dd370588b2e3b2307cc38872970397e76757b",
+    remote = "https://github.com/zaucy/rules_boost",
+    shallow_since = "1594588553 -0700",
+)
+
+http_archive(
+    name = "boost",
+    build_file = "@com_github_nelhage_rules_boost//:BUILD.boost",
+    sha256 = "4eb3b8d442b426dc35346235c8733b5ae35ba431690e38c6a8263dce9fcbb402",
+    strip_prefix = "boost_1_73_0",
+    patches = [
+        # Temporary until https://github.com/boostorg/process/pull/167 gets 
+        # merged and released
+        "//patches:boost_process_windows_file_descriptor.patch",
+    ],
+    urls = [
+        "https://mirror.bazel.build/dl.bintray.com/boostorg/release/1.73.0/source/boost_1_73_0.tar.bz2",
+        "https://dl.bintray.com/boostorg/release/1.73.0/source/boost_1_73_0.tar.bz2",
+    ],
+)
+
+load("@com_github_nelhage_rules_boost//:boost/boost.bzl", "boost_deps")
+boost_deps()
+
+http_archive(
+    name = "bzlws",
+    strip_prefix = "bzlws-2c8efaf333818925490de36e2fb7c266f0b0bd40",
+    url = "https://github.com/zaucy/bzlws/archive/2c8efaf333818925490de36e2fb7c266f0b0bd40.zip",
+    sha256 = "14db184ec822cfa53449e34b551f3804a2acc087acfbec4dc7f139d1dbb65028",
+)
+
+load("@bzlws//:repo.bzl", "bzlws_deps")
+bzlws_deps()
+
+http_archive(
+    name = "com_github_zaucy_rules_7zip",
+    strip_prefix = "rules_7zip-7c9fb2b1bdab4d4c3fdd49b1e12d21a5b728dc57",
+    urls = ["https://github.com/zaucy/rules_7zip/archive/7c9fb2b1bdab4d4c3fdd49b1e12d21a5b728dc57.zip"],
+    sha256 = "7adf6bcd53403ab9a44d8b42db0e8afe7fd547dbee21a5c6f5479966d96462a5",
+)
+
+load("@com_github_zaucy_rules_7zip//:setup.bzl", "setup_7zip")
+setup_7zip()

patches/BUILD.bazel

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+package(default_visibility = ["//visibility:public"])
+
+exports_files(glob(["*.patch"]))

patches/boost_process_windows_file_descriptor.patch

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+--- boost/process/detail/windows/file_descriptor.hpp
++++ boost/process/detail/windows/file_descriptor.hpp
+@@ -102,6 +102,7 @@ struct file_descriptor
+         if (_handle != ::boost::winapi::INVALID_HANDLE_VALUE_)
+             ::boost::winapi::CloseHandle(_handle);
+         _handle = boost::exchange(other._handle, ::boost::winapi::INVALID_HANDLE_VALUE_);
++        return *this;
+     }
+
+     ~file_descriptor()

workspace_status.bat

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+:; ./workspace_status.sh "$@"
+:; exit
+
+@ECHO OFF
+
+@REM Workaround to have workspace status command on both UNIX based systems and
+@REM Windows: https://github.com/bazelbuild/bazel/issues/5958
+
+%~dp0\workspace_status.cmd %*

workspace_status.cmd

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+%~dp0\workspace_status_command.exe

workspace_status.sh

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+#!/bin/sh
+
+set -e
+
+./workspace_status_command

workspace_status_command.cc

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+#include <iostream>
+#include <sstream>
+#include <string>
+#include <future>
+#include <boost/process.hpp>
+#include <boost/asio.hpp>
+
+namespace bp = boost::process;
+namespace asio = boost::asio;
+
+struct build_info {
+	/// Commit hash
+	std::string commit;
+
+	/// If the current commit belongs to a tag 
+	std::string tag;
+
+	/// Current working tree has uncommitted changes
+	bool dirty;
+};
+
+static build_info get_build_info();
+
+int main() {
+	try {
+		auto build_info = get_build_info();
+
+		std::cout
+			<< "STABLE_GIT_COMMIT " << build_info.commit << "\n"
+			<< "STABLE_GIT_TAG " << build_info.tag << "\n"
+			<< "STABLE_GIT_DIRTY " << (build_info.dirty ? "true" : "false") << "\n";
+	} catch(const std::exception& err) {
+		std::cerr << "EXCEPTION THROWN: " << err.what() << std::endl;
+		return 2;
+	}
+
+	return 0;
+}
+
+std::string parse_git_commit_output
+	( std::string&& output
+	)
+{
+	return output;
+}
+
+std::string parse_git_tag_output
+	( std::string&& output
+	)
+{
+	return output;
+}
+
+bool parse_git_dity_output
+	( std::string&& output
+	)
+{
+	return output.ends_with("-dirty")
+	    || output.ends_with("-broken");
+}
+
+std::string get_system_output
+	( std::string cmd
+	)
+{
+	bp::ipstream stdout_stream;
+	bp::ipstream stderr_stream;
+	auto exit_code = bp::system(
+		cmd,
+		bp::std_out > stdout_stream,
+		bp::std_err > stderr_stream
+	);
+
+	std::string line;
+	if(exit_code == 0) {
+		std::getline(stdout_stream, line);
+		return line;
+	}
+
+	std::getline(stderr_stream, line);
+	std::cerr
+		<< "'" << cmd << "' exited with code " << exit_code << ": " << line << cmd;
+	std::exit(1);
+
+	return line;
+}
+
+build_info get_build_info() {
+	return build_info{
+		.commit = get_system_output("git rev-parse HEAD"),
+		.tag = get_system_output("git tag --points-at HEAD"),
+		.dirty = parse_git_dity_output(
+			get_system_output("git describe --always --dirty --broken")
+		),
+	};
+}