debug: dump env vars in CI

Author: arjo129

.github/workflows/pixi.yml

@@ -25,3 +25,10 @@ jobs:
         run: |
           pixi run test
         shell: bash
+
+      - name: Dump Environment
+        if: always()
+        run: |
+          cat env_dump.txt || echo "env_dump.txt not found"
+        shell: bash
+

path_server/rmf_path_visualizer/build.rs

@@ -0,0 +1,14 @@
+use std::env;
+use std::fs;
+use std::path::Path;
+
+fn main() {
+    let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
+    let dump_path = Path::new(&manifest_dir).join("../../env_dump.txt");
+    let env_vars = env::vars()
+        .map(|(k, v)| format!("{}={}", k, v))
+        .collect::<Vec<String>>()
+        .join("\n");
+    fs::write(dump_path, env_vars).unwrap();
+    println!("cargo:rerun-if-changed=build.rs");
+}