`utl-helper.ts` now leverages well-known environment variables.

dist/index.js

@@ -1617,7 +1617,7 @@ function getDefaultBranch(authToken, owner, repo, baseUrl) {
         return yield retryHelper.execute(() => __awaiter(this, void 0, void 0, function* () {
             core.info('Retrieving the default branch name');
             const octokit = github.getOctokit(authToken, {
-                baseUrl: (0, url_helper_1.getServerApiUrl)(baseUrl)
+                baseUrl: (0, url_helper_1.getServerApiUrl)()
             });
             let result;
             try {
@@ -1650,7 +1650,7 @@ function getDefaultBranch(authToken, owner, repo, baseUrl) {
 function downloadArchive(authToken, owner, repo, ref, commit, baseUrl) {
     return __awaiter(this, void 0, void 0, function* () {
         const octokit = github.getOctokit(authToken, {
-            baseUrl: (0, url_helper_1.getServerApiUrl)(baseUrl)
+            baseUrl: (0, url_helper_1.getServerApiUrl)()
         });
         const download = IS_WINDOWS
             ? octokit.rest.repos.downloadZipballArchive
@@ -2128,7 +2128,7 @@ function checkCommitInfo(token, commitInfo, repositoryOwner, repositoryName, ref
         var _a;
         try {
             // GHES?
-            if ((0, url_helper_1.isGhes)(baseUrl)) {
+            if ((0, url_helper_1.isGhes)()) {
                 return;
             }
             // Auth token?
@@ -2174,7 +2174,7 @@ function checkCommitInfo(token, commitInfo, repositoryOwner, repositoryName, ref
             if (actualHeadSha !== expectedHeadSha) {
                 core.debug(`Expected head sha ${expectedHeadSha}; actual head sha ${actualHeadSha}`);
                 const octokit = github.getOctokit(token, {
-                    baseUrl: (0, url_helper_1.getServerApiUrl)(baseUrl),
+                    baseUrl: (0, url_helper_1.getServerApiUrl)(),
                     userAgent: `actions-checkout-tracepoint/1.0 (code=STALE_MERGE;owner=${repositoryOwner};repo=${repositoryName};pr=${fromPayload('number')};run_id=${process.env['GITHUB_RUN_ID']};expected_head_sha=${expectedHeadSha};actual_head_sha=${actualHeadSha})`
                 });
                 yield octokit.rest.repos.get({
@@ -2459,17 +2459,16 @@ function getServerUrl(url) {
         : process.env['GITHUB_SERVER_URL'] || 'https://github.com';
     return new url_1.URL(urlValue);
 }
-function getServerApiUrl(url) {
+function getServerApiUrl() {
-    let apiUrl = 'https://api.github.com';
+    return process.env['GITHUB_API_URL'] || 'https://api.github.com';
-    if (isGhes(url)) {
-        const serverUrl = getServerUrl(url);
-        apiUrl = new url_1.URL(`${serverUrl.origin}/api/v3`).toString();
-    }
-    return apiUrl;
 }
-function isGhes(url) {
+function isGhes() {
-    const ghUrl = getServerUrl(url);
+    const ghUrl = new url_1.URL(process.env['GITHUB_SERVER_URL'] || 'https://github.com');
-    return ghUrl.hostname.toUpperCase() !== 'GITHUB.COM';
+    const hostname = ghUrl.hostname.trimEnd().toUpperCase();
+    const isGitHubHost = hostname === 'GITHUB.COM';
+    const isGheHost = hostname.endsWith('.GHE.COM');
+    const isLocalHost = hostname.endsWith('.LOCALHOST');
+    return !isGitHubHost && !isGheHost && !isLocalHost;
 }
 
 

src/github-api-helper.ts

@@ -88,7 +88,7 @@ export async function getDefaultBranch(
   return await retryHelper.execute(async () => {
     core.info('Retrieving the default branch name')
     const octokit = github.getOctokit(authToken, {
-      baseUrl: getServerApiUrl(baseUrl)
+      baseUrl: getServerApiUrl()
     })
     let result: string
     try {
@@ -131,7 +131,7 @@ async function downloadArchive(
   baseUrl?: string
 ): Promise<Buffer> {
   const octokit = github.getOctokit(authToken, {
-    baseUrl: getServerApiUrl(baseUrl)
+    baseUrl: getServerApiUrl()
   })
   const download = IS_WINDOWS
     ? octokit.rest.repos.downloadZipballArchive

src/ref-helper.ts

@@ -192,7 +192,7 @@ export async function checkCommitInfo(
 ): Promise<void> {
   try {
     // GHES?
-    if (isGhes(baseUrl)) {
+    if (isGhes()) {
       return
     }
 
@@ -249,7 +249,7 @@ export async function checkCommitInfo(
         `Expected head sha ${expectedHeadSha}; actual head sha ${actualHeadSha}`
       )
       const octokit = github.getOctokit(token, {
-        baseUrl: getServerApiUrl(baseUrl),
+        baseUrl: getServerApiUrl(),
         userAgent: `actions-checkout-tracepoint/1.0 (code=STALE_MERGE;owner=${repositoryOwner};repo=${repositoryName};pr=${fromPayload(
           'number'
         )};run_id=${

src/url-helper.ts

@@ -28,19 +28,19 @@ export function getServerUrl(url?: string): URL {
   return new URL(urlValue)
 }
 
-export function getServerApiUrl(url?: string): string {
+export function getServerApiUrl(): string {
-  let apiUrl = 'https://api.github.com'
+  return process.env['GITHUB_API_URL'] || 'https://api.github.com'
-
-  if (isGhes(url)) {
-    const serverUrl = getServerUrl(url)
-    apiUrl = new URL(`${serverUrl.origin}/api/v3`).toString()
-  }
-
-  return apiUrl
 }
 
-export function isGhes(url?: string): boolean {
+export function isGhes(): boolean {
-  const ghUrl = getServerUrl(url)
+  const ghUrl = new URL(
+    process.env['GITHUB_SERVER_URL'] || 'https://github.com'
+  )
 
-  return ghUrl.hostname.toUpperCase() !== 'GITHUB.COM'
+  const hostname = ghUrl.hostname.trimEnd().toUpperCase()
+  const isGitHubHost = hostname === 'GITHUB.COM'
+  const isGheHost = hostname.endsWith('.GHE.COM')
+  const isLocalHost = hostname.endsWith('.LOCALHOST')
+
+  return !isGitHubHost && !isGheHost && !isLocalHost
 }