From 20a3aabae5e2802ec8098848116cebf168151a21 Mon Sep 17 00:00:00 2001
From: Adrian Bienkowski <adrian@chainsafe.io>
Date: Mon, 20 Jul 2026 12:21:31 -0400
Subject: [PATCH] fix: gracefully handle missing config directory in all three
 languages

---
 go/internal/policy/manager.go |  5 +++++
 rs/src/policy.rs              |  9 ++++++++-
 ts/src/policy.ts              | 12 +++++++++++-
 3 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/go/internal/policy/manager.go b/go/internal/policy/manager.go
index befbc42..91b004b 100644
--- a/go/internal/policy/manager.go
+++ b/go/internal/policy/manager.go
@@ -2,6 +2,7 @@ package policy
 
 import (
 	"fmt"
+	"log/slog"
 	"os"
 	"path/filepath"
 	"strings"
@@ -22,6 +23,10 @@ func NewManager(configDir string) (*Manager, error) {
 
 	entries, err := os.ReadDir(configDir)
 	if err != nil {
+		if os.IsNotExist(err) {
+			slog.Warn("config dir not found, starting with empty policy set", "dir", configDir)
+			return m, nil
+		}
 		return nil, fmt.Errorf("failed to read config directory %s: %w", configDir, err)
 	}
 
diff --git a/rs/src/policy.rs b/rs/src/policy.rs
index ebea8d8..392bf3e 100644
--- a/rs/src/policy.rs
+++ b/rs/src/policy.rs
@@ -55,7 +55,14 @@ impl Manager {
 
     pub fn new(config_dir: &str) -> Result<Self, Box<dyn std::error::Error>> {
         let mut policies_by_name = HashMap::new();
-        let entries = std::fs::read_dir(config_dir)?;
+        let entries = match std::fs::read_dir(config_dir) {
+            Ok(d) => d,
+            Err(e) if e.kind() == std::io::ErrorKind::NotFound => {
+                eprintln!("warn: config dir {} not found, starting with empty policy set", config_dir);
+                return Ok(Manager { policies_by_name });
+            }
+            Err(e) => return Err(e.into()),
+        };
 
         for entry in entries {
             let entry = entry?;
diff --git a/ts/src/policy.ts b/ts/src/policy.ts
index df4e2f7..4551dab 100644
--- a/ts/src/policy.ts
+++ b/ts/src/policy.ts
@@ -42,7 +42,17 @@ export class Manager {
   private policiesByName = new Map<string, Policy>();
 
   constructor(configDir: string) {
-    const entries = readdirSync(configDir);
+    let entries: string[];
+    try {
+      entries = readdirSync(configDir);
+    } catch (err: any) {
+      if (err.code === "ENOENT") {
+        console.warn(`warn: config dir ${configDir} not found, starting with empty policy set`);
+        entries = [];
+      } else {
+        throw err;
+      }
+    }
 
     for (const entry of entries) {
       if (!entry.endsWith(".yaml") && !entry.endsWith(".yml")) continue;