setup cargo run to use containerized build tools that are not rust tools

rust/build.rs

@@ -0,0 +1,124 @@
+use std::{collections::VecDeque, env, process::Command};
+
+use vergen::EmitBuilder;
+
+fn linker_be_nice() {
+    let args: Vec<String> = std::env::args().collect();
+    if args.len() > 1 {
+        let kind = &args[1];
+        let what = &args[2];
+
+        match kind.as_str() {
+            "undefined-symbol" => match what.as_str() {
+                "_defmt_timestamp" => {
+                    eprintln!();
+                    eprintln!("💡 `defmt` not found - make sure `defmt.x` is added as a linker script and you have included `use defmt_rtt as _;`");
+                    eprintln!();
+                }
+                "_stack_start" => {
+                    eprintln!();
+                    eprintln!("💡 Is the linker script `linkall.x` missing?");
+                    eprintln!();
+                }
+                "esp_wifi_preempt_enable"
+                | "esp_wifi_preempt_yield_task"
+                | "esp_wifi_preempt_task_create" => {
+                    eprintln!();
+                    eprintln!("💡 `esp-wifi` has no scheduler enabled. Make sure you have the `builtin-scheduler` feature enabled, or that you provide an external scheduler.");
+                    eprintln!();
+                }
+                "embedded_test_linker_file_not_added_to_rustflags" => {
+                    eprintln!();
+                    eprintln!("💡 `embedded-test` not found - make sure `embedded-test.x` is added as a linker script for tests");
+                    eprintln!();
+                }
+                _ => (),
+            },
+            // we don't have anything helpful for "missing-lib" yet
+            _ => {
+                std::process::exit(1);
+            }
+        }
+
+        std::process::exit(0);
+    }
+
+    println!(
+        "cargo:rustc-link-arg=--error-handling-script={}",
+        std::env::current_exe().unwrap().display()
+    );
+}
+
+fn main() {
+    if Command::new("podman").arg("--version").output().is_err() {
+        println!("Could not find `podman` installation, assuming the developer has setup all required tool for build manually! … ")
+    }
+    webpack();
+    linker_be_nice();
+    let _ = EmitBuilder::builder().all_git().all_build().emit();
+}
+
+fn webpack() {
+    //println!("cargo:rerun-if-changed=./src/src_webpack");
+    Command::new("rm")
+        .arg("./src/webserver/bundle.js.gz")
+        .output()
+        .unwrap();
+
+    match Command::new("cmd").spawn() {
+        Ok(_) => {
+            println!("Assuming build on windows");
+            let output = Command::new("cmd")
+                .arg("/K")
+                .arg("npx")
+                .arg("webpack")
+                .current_dir("./src_webpack")
+                .output()
+                .unwrap();
+            println!("status: {}", output.status);
+            println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
+            println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
+            assert!(output.status.success());
+
+            // move webpack results to rust webserver src
+            let _ = Command::new("cmd")
+                .arg("/K")
+                .arg("move")
+                .arg("./src_webpack/bundle.js.gz")
+                .arg("./src/webserver")
+                .output()
+                .unwrap();
+            let _ = Command::new("cmd")
+                .arg("/K")
+                .arg("move")
+                .arg("./src_webpack/index.html.gz")
+                .arg("./src/webserver")
+                .output()
+                .unwrap();
+        }
+        Err(_) => {
+            println!("Assuming build on linux");
+            let output = Command::new("npx")
+                .arg("webpack")
+                .current_dir("./src_webpack")
+                .output()
+                .unwrap();
+            println!("status: {}", output.status);
+            println!("stdout: {}", String::from_utf8_lossy(&output.stdout));
+            println!("stderr: {}", String::from_utf8_lossy(&output.stderr));
+            assert!(output.status.success());
+
+            // move webpack results to rust webserver src
+            let _ = Command::new("mv")
+                .arg("./src_webpack/bundle.js.gz")
+                .arg("./src/webserver")
+                .output()
+                .unwrap();
+            let _ = Command::new("mv")
+                .arg("./src_webpack/index.html.gz")
+                .arg("./src/webserver")
+                .output()
+                .unwrap();
+        }
+    }
+}