Make nix the source of truth for the version

Signed-off-by: Douglas Reis <doreis@lowrisc.org>

Author: engdoreis

CMakeLists.txt

@@ -58,6 +58,9 @@ else()
   )
 endif()
 
+if(NOT DEFINED FTDITOOL_VERSION)
+  set(FTDITOOL_VERSION "dev")
+endif()
 
 
 add_subdirectory(lib/embeddedpp)
@@ -67,5 +70,6 @@ add_subdirectory(lib/visuals)
 
 add_executable(ftditool app/main.cc)
 target_include_directories(ftditool PUBLIC "./src/lib" "./src/")
+target_compile_definitions(ftditool PRIVATE FTDITOOL_VERSION="${FTDITOOL_VERSION}")
 target_link_libraries(ftditool PRIVATE visuals picosha2 elfio argparse::argparse flash ftdipp)
 install(TARGETS ftditool DESTINATION bin)

app/main.cc

@@ -99,7 +99,7 @@ handle_gpio_command(std::unique_ptr<argparse::ArgumentParser>& cmd, uint16_t pid
 int main(int argc, char* argv[]) {
   std::map<std::string, Action> commands;
 
-  argparse::ArgumentParser program("ftditool");
+  argparse::ArgumentParser program("ftditool", FTDITOOL_VERSION);
   program.add_argument("--pid")
       .default_value(std::uint16_t{0x6010})
       .help(

nix/ftditool.nix

@@ -17,7 +17,7 @@
   systemd,
   makeWrapper,
 }:
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "ftditool";
   version = "0.4.0";
   src = ../.;
@@ -43,6 +43,7 @@ stdenv.mkDerivation {
 
   cmakeFlags = [
     "-DCMAKE_BUILD_TYPE=Release"
+    "-DFTDITOOL_VERSION=${version}"
   ];
 
   postInstall = ''