feat: added --version flag to CLI

Author: zaucy

.bazelrc

@@ -6,10 +6,12 @@ build --enable_runfiles
 
 build:windows --platforms=//bazel/platforms:windows
 build:windows --host_platform=//bazel/platforms:windows
+build:windows --workspace_status_command=bazel/tools/wsc.cmd
 
 build:linux --platforms=//bazel/platforms:linux
 build:linux --host_platform=//bazel/platforms:linux
 build:linux --extra_toolchains=@llvm_toolchain//:cc-toolchain-x86_64-linux
+build:linux --workspace_status_command=bazel/tools/wsc.sh
 
 common:ci --announce_rc
 common:ci --disk_cache=~/.cache/bazel-disk-cache

WORKSPACE.bazel

@@ -52,6 +52,13 @@ load("@rules_pkg//:deps.bzl", "rules_pkg_dependencies")
 
 rules_pkg_dependencies()
 
+http_archive(
+    name = "rules_cc_stamp",
+    strip_prefix = "rules_cc_stamp-63d4861f4d420b574fa0f112599aae2b8aee785e",
+    urls = ["https://github.com/zaucy/rules_cc_stamp/archive/63d4861f4d420b574fa0f112599aae2b8aee785e.zip"],
+    sha256 = "f469a3b97eeabeb850c655f59ea17799ff40badd3a0b3e9de38534c89ad2f87d",
+)
+
 http_archive(
     name = "ecsact_si_wasm",
     sha256 = "4153154fd80e2cd48ddd8e0d0c208691f134b33d5c67dc6fc081b3f77149b2c2",

bazel/tools/wsc.cmd

@@ -0,0 +1,5 @@
+@echo off
+
+for /f %%i in ('git describe --tags --abbrev^=0') do set GIT_TAG=%%i
+echo STABLE_GIT_TAG %GIT_TAG%
+

bazel/tools/wsc.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+set -e
+
+echo GIT_TAG=$(git describe --tags --abbrev=0)
+

cli/BUILD.bazel

@@ -1,12 +1,19 @@
 load("@rules_cc//cc:defs.bzl", "cc_binary")
+load("@rules_cc_stamp//:index.bzl", "cc_stamp_header")
 load("//bazel:copts.bzl", "copts")
 
 package(default_visibility = ["//visibility:public"])
 
+cc_stamp_header(
+    name = "bazel_stamp_header",
+    out = "bazel_stamp_header.hh",
+)
+
 cc_binary(
     name = "ecsact",
-    srcs = ["cli.cc"],
+    srcs = ["cli.cc", "bazel_stamp_header.hh"],
     copts = copts,
+    stamp = 1,
     deps = [
         "//cli/commands:codegen",
         "//cli/commands:command",

cli/cli.cc

@@ -3,6 +3,7 @@
 #include <string>
 #include <string_view>
 #include <unordered_map>
+#include "cli/bazel_stamp_header.hh"
 
 #include "./commands/command.hh"
 #include "./commands/codegen.hh"
@@ -25,9 +26,9 @@ constexpr auto USAGE = R"(Ecsact SDK Command Line
 
 Usage:
 	ecsact (--help | -h)
+	ecsact (--version | -v)
 	ecsact config ([<options>...] | --help)
 	ecsact codegen ([<options>...] | --help)
-
 )";
 
 std::string colorize_logo() {
@@ -74,6 +75,9 @@ int main(int argc, char* argv[]) {
 		if(command == "-h" || command == "--help") {
 			print_usage();
 			return 0;
+		} else if(command == "-v" || command == "--version") {
+			std::cout << STABLE_GIT_TAG << "\n";
+			return 0;
 		} else if(command.starts_with('-')) {
 			std::cerr << "Expected subcommand and instead got '" << command << "'\n";
 			print_usage();