feat: run codspeed_runner.go with tags

Author: not-matthias

go-runner/src/runner.rs

@@ -0,0 +1,39 @@
+use crate::prelude::*;
+use std::{path::Path, process::Command};
+
+pub fn run<P: AsRef<Path>>(runner_go_path: P, run_args: &[&str]) -> anyhow::Result<()> {
+    // Extract the directory containing runner.go to use as working directory
+    let runner_go_path = runner_go_path.as_ref();
+    let file_dir = runner_go_path.parent().unwrap();
+    let module_root = file_dir.parent().unwrap();
+    let relative_path = runner_go_path.strip_prefix(module_root).unwrap();
+    debug!(
+        "Building codspeed runner: {:?} (root = {:?})",
+        module_root.join(relative_path),
+        module_root
+    );
+
+    // Run go run -tags=codspeed <path> {args}
+    let output = Command::new("go")
+        .arg("run")
+        .arg("-tags=codspeed")
+        .arg(relative_path)
+        .args(run_args)
+        .current_dir(module_root)
+        .stdout(std::process::Stdio::inherit())
+        .stderr(std::process::Stdio::inherit())
+        .output()
+        .context("Failed to execute go build command")?;
+
+    if !output.status.success() {
+        let stdout = String::from_utf8_lossy(&output.stdout);
+        let stderr = String::from_utf8_lossy(&output.stderr);
+
+        warn!("Command output: {stdout}");
+        warn!("Command error output: {stderr}");
+
+        bail!("Failed to run benchmark. Exit status: {}", output.status);
+    }
+
+    Ok(())
+}