From 2ff418f28a66dd71cd80701e95ec26db12875f15 Mon Sep 17 00:00:00 2001
From: "Michael B. Gale" <mbg@github.com>
Date: Wed, 8 Oct 2025 12:54:49 +0100
Subject: [PATCH] Parse `language` before calling `getCredentials`

---
 lib/start-proxy-action.js | 7 ++++---
 src/start-proxy-action.ts | 5 ++++-
 src/start-proxy.test.ts   | 4 ++--
 src/start-proxy.ts        | 3 +--
 4 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/lib/start-proxy-action.js b/lib/start-proxy-action.js
index 8eb317706..7ac17694f 100644
--- a/lib/start-proxy-action.js
+++ b/lib/start-proxy-action.js
@@ -95087,8 +95087,7 @@ var LANGUAGE_TO_REGISTRY_TYPE = {
   rust: ["cargo_registry"],
   go: ["goproxy_server", "git_source"]
 };
-function getCredentials(logger, registrySecrets, registriesCredentials, languageString) {
-  const language = languageString ? parseLanguage(languageString) : void 0;
+function getCredentials(logger, registrySecrets, registriesCredentials, language) {
   const registryTypeForLanguage = language ? LANGUAGE_TO_REGISTRY_TYPE[language] : void 0;
   let credentialsStr;
   if (registriesCredentials !== void 0) {
@@ -95780,11 +95779,13 @@ async function runWrapper() {
     const tempDir = getTemporaryDirectory();
     const proxyLogFilePath = path.resolve(tempDir, "proxy.log");
     core11.saveState("proxy-log-file", proxyLogFilePath);
+    const languageInput = getOptionalInput("language");
+    const language = languageInput ? parseLanguage(languageInput) : void 0;
     const credentials = getCredentials(
       logger,
       getOptionalInput("registry_secrets"),
       getOptionalInput("registries_credentials"),
-      getOptionalInput("language")
+      language
     );
     if (credentials.length === 0) {
       logger.info("No credentials found, skipping proxy setup.");
diff --git a/src/start-proxy-action.ts b/src/start-proxy-action.ts
index 966c954b4..3de5e358b 100644
--- a/src/start-proxy-action.ts
+++ b/src/start-proxy-action.ts
@@ -12,6 +12,7 @@ import {
   Credential,
   getCredentials,
   getDownloadUrl,
+  parseLanguage,
   UPDATEJOB_PROXY,
 } from "./start-proxy";
 import {
@@ -133,11 +134,13 @@ async function runWrapper() {
     core.saveState("proxy-log-file", proxyLogFilePath);
 
     // Get the configuration options
+    const languageInput = actionsUtil.getOptionalInput("language");
+    const language = languageInput ? parseLanguage(languageInput) : undefined;
     const credentials = getCredentials(
       logger,
       actionsUtil.getOptionalInput("registry_secrets"),
       actionsUtil.getOptionalInput("registries_credentials"),
-      actionsUtil.getOptionalInput("language"),
+      language,
     );
 
     if (credentials.length === 0) {
diff --git a/src/start-proxy.test.ts b/src/start-proxy.test.ts
index dfd55d72f..edd1377c0 100644
--- a/src/start-proxy.test.ts
+++ b/src/start-proxy.test.ts
@@ -109,7 +109,7 @@ test("getCredentials filters by language when specified", async (t) => {
     getRunnerLogger(true),
     undefined,
     toEncodedJSON(mixedCredentials),
-    "java",
+    KnownLanguage.java,
   );
   t.is(credentials.length, 1);
   t.is(credentials[0].type, "maven_repository");
@@ -120,7 +120,7 @@ test("getCredentials returns all for a language when specified", async (t) => {
     getRunnerLogger(true),
     undefined,
     toEncodedJSON(mixedCredentials),
-    "go",
+    KnownLanguage.go,
   );
   t.is(credentials.length, 2);
 
diff --git a/src/start-proxy.ts b/src/start-proxy.ts
index dd1e443b7..2888e1a58 100644
--- a/src/start-proxy.ts
+++ b/src/start-proxy.ts
@@ -79,9 +79,8 @@ export function getCredentials(
   logger: Logger,
   registrySecrets: string | undefined,
   registriesCredentials: string | undefined,
-  languageString: string | undefined,
+  language: KnownLanguage | undefined,
 ): Credential[] {
-  const language = languageString ? parseLanguage(languageString) : undefined;
   const registryTypeForLanguage = language
     ? LANGUAGE_TO_REGISTRY_TYPE[language]
     : undefined;