Add version command

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 4.2.3)
 
-project(TBCLI)
+project(TBCLI VERSION 1.0.0)
 
 set(CMAKE_CXX_STANDARD 23)
 
@@ -15,4 +15,9 @@ file(GLOB_RECURSE SOURCES
 )
 
 add_executable(TBCLI ${SOURCES})
+
+target_compile_definitions(TBCLI PRIVATE
+  PROJECT_VERSION="${PROJECT_VERSION}"
+)
+
 target_link_libraries(TBCLI OpenSSL::Crypto)

src/commands/register.cpp

@@ -10,10 +10,12 @@ extern "C" {
 void base64_decode_command(int argc, char *argv[]);
 void base64_encode_command(int argc, char *argv[]);
 void echo_command(int argc, char *argv[]);
+void version_command(int argc, char *argv[]);
 }
 
 const std::vector<Command> commands = {
     {"help", "Show this help message", help_command},
+    {"version", "A version command, to show the CLI version", version_command},
     {"echo", "A echo command, usage \"echo (text)\"", echo_command},
     {"base64-decode",
      "A base64 decode command, \"base64-decode <text> [text2]\"",

src/commands/version.c

@@ -0,0 +1,5 @@
+#include <stdio.h>
+
+void version_command(int argc, char *argv[]) {
+  printf("Version: %s\n", PROJECT_VERSION);
+}