feat: add more useful debug information to system metadata

Cargo.toml

@@ -4,7 +4,6 @@ members = ["engine","subcrates/zen_core"]
 
 
 [workspace.dependencies]
-lazy_static = "1.5.0"
 parking_lot = "0.12.3"
 
 [profile.release]

engine/Cargo.toml

@@ -16,7 +16,7 @@ regex = "1.11.1"
 rustyline = { version = "15.0.0", features = ["derive", "rustyline-derive"] }
 thiserror = "2.0.11"
 # Tokio is heavy but so far its the best option, we should make better use of it or switch to another runtime.
-tokio = { version = "1.44.1", features = ["fs", "macros", "parking_lot", "rt-multi-thread"] }
+tokio = { version = "1.44.1", features = ["macros", "parking_lot", "rt-multi-thread"] }
 wgpu = "24.0.3"
 winit = "0.30.9"
 bytemuck = "1.21.0"
@@ -38,3 +38,5 @@ image = "0.25.6"
 
 [build-dependencies]
 built = { version = "0.7.7", features = ["chrono"] }
+build-print = "0.1.1"
+cargo-lock = "10.1.0"

engine/build.rs

@@ -1,3 +1,99 @@
-fn main() {
-    built::write_built_file().expect("Failed to write build information");
+use std::process::Command;
+use std::env;
+use std::path::Path;
+use std::fs::OpenOptions;
+use std::io::Write;
+use build_print::*;
+use cargo_lock::Lockfile;
+
+fn get_git_info() -> String {
+    match Command::new("git").arg("describe").arg("--always").arg("--dirty").output() {
+        Ok(output) if output.status.success() => {
+            String::from_utf8_lossy(&output.stdout).trim().to_string()
+        }
+        _ => {
+            match Command::new("git").arg("rev-parse").arg("--abbrev-ref").arg("HEAD").output() {
+                Ok(output) if output.status.success() => {
+                    let head = String::from_utf8_lossy(&output.stdout);
+                    let head = head.trim();
+                    if head == "HEAD" {
+                        "DETACHED".to_string()
+                    } else {
+                        //TDDO: properly parse branch hashes
+                        format!("BRANCH: {}", head)
+                    }
+                }
+                _ => "UNKNOWN".to_string(),
+            }
+        }
+    }
 }
+
+fn main() {
+    if let Err(e) = built::write_built_file() {
+        panic!("{e}");
+    }
+    let out_dir = env::var("OUT_DIR").unwrap();
+    let dest_path = Path::new(&out_dir).join("built.rs");
+    let proj_root = env!("CARGO_MANIFEST_DIR").to_string();
+    let tmp = format!("{}/../Cargo.lock",proj_root);
+    let lockfile_path = Path::new(&tmp).canonicalize().expect("INvalid");
+
+
+    let cargo_version = match Command::new("cargo").arg("--version").output() {
+        Ok(output) if output.status.success() => {
+            String::from_utf8_lossy(&output.stdout).trim().to_string()
+        }
+        _ => "unknown".to_string(),
+    };
+    info!("{cargo_version}");
+
+    let rustc_version = match Command::new("rustc").arg("--version").output() {
+        Ok(output) if output.status.success() => {
+            String::from_utf8_lossy(&output.stdout).trim().to_string()
+        }
+        _ => "unknown".to_string(),
+    };
+    info!("{rustc_version}");
+
+    let git_info = get_git_info();
+    info!("Git Info: {}", git_info);
+
+    let mut built_rs = match OpenOptions::new().append(true).open(&dest_path) {
+        Ok(file) => file,
+        Err(e) => {
+            error!("Could not open built.rs for appending: {}", e);
+            return;
+        }
+    };
+
+    writeln!(built_rs, "pub const GIT_COMMIT_HASH: &str = \"{}\";", git_info).unwrap();
+
+    match Lockfile::load(lockfile_path) {
+        Ok(lockfile) => {
+            let dependencies_to_track = ["tokio", "winit", "wgpu"];
+
+            for package in lockfile.packages {
+                let name = package.name.as_str();
+                    if dependencies_to_track.contains(&name) {
+                        let version = package.version.to_string();
+                        writeln!(
+                            built_rs,
+                            "pub const {}_VERSION: &str = \"{}\";",
+                            name.to_uppercase().replace('-', "_"),
+                            version
+                        )
+                        .unwrap();
+                    }
+            }
+        }
+        Err(e) => {
+            error!("Error loading Cargo.lock: {}", e);
+        }
+    }
+
+
+    std::println!("cargo:rerun-if-changed=Cargo.lock");
+    std::println!("cargo:rerun-if-changed=.git/HEAD");
+    std::println!("cargo:rerun-if-changed=.git/index");
+}

engine/src/metadata.rs

@@ -195,8 +195,10 @@ impl CPU {
         );
         sys.refresh_cpu_all();
 
+
         let cpu_opt = sys.cpus().first();
 
+
         let brand = cpu_opt
             .map(|cpu| cpu.brand().into())
             .unwrap_or(CPUBrand::Other("unknown".into()));
@@ -464,16 +466,20 @@ impl SystemMemory {
 }
 
 #[derive(Debug, Clone, PartialEq, Eq)]
-pub struct CompileInfo {
+pub struct EngineInfo {
     pub timestamp: String,
     pub pkg_version: String,
     pub pkg_name: String,
     pub target_arch: String,
     pub target_os: String,
     pub target_env: String,
+    pub rustc_version: String,
+    pub wgpu_version: String,
+    pub winit_version: String,
+    pub commit_hash: String,
 }
 
-impl CompileInfo {
+impl EngineInfo {
     pub fn current() -> Self {
         Self {
             timestamp: build_info::BUILT_TIME_UTC.to_string(),
@@ -482,6 +488,10 @@ impl CompileInfo {
             target_arch: build_info::CFG_TARGET_ARCH.to_string(),
             target_os: build_info::CFG_OS.to_string(),
             target_env: build_info::CFG_ENV.to_string(),
+            rustc_version: build_info::RUSTC_VERSION.to_string(),
+            wgpu_version: build_info::WGPU_VERSION.to_string(),
+            winit_version: build_info::WGPU_VERSION.to_string(),
+            commit_hash: build_info::GIT_COMMIT_HASH.to_string()
         }
     }
 
@@ -491,13 +501,21 @@ impl CompileInfo {
             - Timestamp: {}\n\
             - Package: {} v{}\n\
             - Target: {} {} {}\n\
+            - Rustc version: {}\n\
+            - Wgpu version: {}\n\
+            - Winit version: {}\n\
+            - commit_hash: {}\n\
             ",
             self.timestamp,
             self.pkg_name,
             self.pkg_version,
             self.target_arch,
             self.target_os,
-            self.target_env
+            self.target_env,
+            self.rustc_version,
+            self.wgpu_version,
+            self.winit_version,
+            self.commit_hash
         )
     }
 }
@@ -507,7 +525,7 @@ pub struct SystemMetadata {
     pub cpu: CPU,
     pub memory: SystemMemory,
     pub gpus: Vec<GPU>,
-    pub compile_info: CompileInfo,
+    pub compile_info: EngineInfo,
 }
 
 impl SystemMetadata {
@@ -516,7 +534,7 @@ impl SystemMetadata {
             cpu: CPU::current(),
             memory: SystemMemory::current(),
             gpus: GPU::current(),
-            compile_info: CompileInfo::current(),
+            compile_info: EngineInfo::current(),
         }
     }