use vergen

rust/src/main.rs

@@ -1,5 +1,4 @@
 use chrono::{Datelike, Timelike, NaiveDateTime};
-use build_time::build_time_utc;
 
 use chrono_tz::Europe::Berlin;
 use esp_idf_hal::delay::Delay;
@@ -26,8 +25,8 @@ fn main() -> Result<()>{
 
     log::info!("Startup Rust");
 
-    let utc_build_time = build_time_utc!();
-    println!("Version was build {}", utc_build_time);
+    let git_hash = env!("VERGEN_GIT_DESCRIBE");
+    println!("Version useing git has {}", git_hash);
     
 
     let mut board = PlantHal::create()?;     

rust/src/webserver/webserver.rs

@@ -1,6 +1,5 @@
 //offer ota and config mode
 
-use build_time::build_time_utc;
 use embedded_svc::http::Method;
 use esp_idf_svc::http::server::EspHttpServer;
 use esp_ota::OtaUpdate;
@@ -20,9 +19,9 @@ pub fn httpd(initial_config:bool) -> EspHttpServer<'static> {
             return Ok(())
         }).unwrap();
     server
-        .fn_handler("/buildtime",Method::Get,  |request| {
+        .fn_handler("/version",Method::Get,  |request| {
             let mut response = request.into_ok_response()?;
-            response.write(build_time_utc!().as_bytes())?;
+            response.write(env!("VERGEN_GIT_DESCRIBE").as_bytes())?;
             return Ok(())
         }).unwrap();
     server