Use new Oracle GraalVM EA builds repo.

src/constants.ts

@@ -40,6 +40,9 @@ export const GDS_GRAALVM_PRODUCT_ID = 'D53FAE8052773FFAE0530F15000AA6C6'
 export const ENV_GITHUB_EVENT_NAME = 'GITHUB_EVENT_NAME'
 export const EVENT_NAME_PULL_REQUEST = 'pull_request'
 
+export const ERROR_REQUEST =
+  'Please file an issue at: https://github.com/graalvm/setup-graalvm/issues.'
+
 export const ERROR_HINT =
   'If you think this is a mistake, please file an issue at: https://github.com/graalvm/setup-graalvm/issues.'
 
@@ -52,6 +55,22 @@ export type MatchingRefsResponse =
 export type ReleasesResponse =
   otypes.Endpoints['GET /repos/{owner}/{repo}/releases']['response']
 
+export type ContentsResponse =
+  otypes.Endpoints['GET /repos/{owner}/{repo}/contents/{path}']['response']
+
+export interface OracleGraalVMEAFile {
+  filename: string
+  arch: 'aarch64' | 'x64'
+  platform: 'darwin' | 'linux' | 'windows'
+}
+
+export interface OracleGraalVMEAVersion {
+  version: string
+  latest?: boolean
+  download_base_url: string
+  files: OracleGraalVMEAFile[]
+}
+
 function determineJDKArchitecture(): string {
   switch (process.arch) {
     case 'x64': {

src/graalvm.ts

@@ -3,11 +3,10 @@ import * as semver from 'semver'
 import {
   downloadAndExtractJDK,
   downloadExtractAndCacheJDK,
-  getLatestPrerelease,
+  getContents,
   getLatestRelease,
   getMatchingTags,
-  getTaggedRelease,
-  toSemVer
+  getTaggedRelease
 } from './utils'
 import {downloadGraalVMEELegacy} from './gds'
 import {downloadTool} from '@actions/tool-cache'
@@ -15,7 +14,8 @@ import {basename} from 'path'
 
 const GRAALVM_DL_BASE = 'https://download.oracle.com/graalvm'
 const GRAALVM_CE_DL_BASE = `https://github.com/graalvm/${c.GRAALVM_RELEASES_REPO}/releases/download`
-const ORACLE_GRAALVM_REPO_EA_BUILDS = 'oracle-graalvm-dev-builds'
+const ORACLE_GRAALVM_REPO_EA_BUILDS = 'oracle-graalvm-ea-builds'
+const ORACLE_GRAALVM_REPO_EA_BUILDS_LATEST_SYMBOL = 'latest-ea'
 const GRAALVM_REPO_DEV_BUILDS = 'graalvm-ce-dev-builds'
 const GRAALVM_JDK_TAG_PREFIX = 'jdk-'
 const GRAALVM_TAG_PREFIX = 'vm-'
@@ -32,7 +32,9 @@ export async function setUpGraalVMJDK(
   const toolName = determineToolName(javaVersion, false)
   let downloadName = toolName
   let downloadUrl: string
-  if (javaVersion.includes('.')) {
+  if (javaVersion.endsWith('-ea')) {
+    downloadUrl = await findLatestEABuildDownloadUrl(javaVersion)
+  } else if (javaVersion.includes('.')) {
     if (semver.valid(javaVersion)) {
       const majorJavaVersion = semver.major(javaVersion)
       const minorJavaVersion = semver.minor(javaVersion)
@@ -48,8 +50,6 @@ export async function setUpGraalVMJDK(
         `java-version set to '${javaVersion}'. Please make sure the java-version is set correctly. ${c.ERROR_HINT}`
       )
     }
-  } else if (javaVersion === '22-ea') {
-    downloadUrl = await findLatestEABuildDownloadUrl(javaVersion)
   } else {
     downloadUrl = `${GRAALVM_DL_BASE}/${javaVersion}/latest/${downloadName}${c.GRAALVM_FILE_EXTENSION}`
   }
@@ -57,25 +57,52 @@ export async function setUpGraalVMJDK(
   return downloadExtractAndCacheJDK(downloader, toolName, javaVersion)
 }
 
-async function findLatestEABuildDownloadUrl(
+export async function findLatestEABuildDownloadUrl(
   javaEaVersion: string
 ): Promise<string> {
-  const latestPrerelease = await getLatestPrerelease(
-    ORACLE_GRAALVM_REPO_EA_BUILDS
+  const filePath = `versions/${javaEaVersion}.json`
+  let response
+  try {
+    response = await getContents(ORACLE_GRAALVM_REPO_EA_BUILDS, filePath)
+  } catch (error) {
+    throw new Error(
+      `Unable to resolve download URL for '${javaEaVersion}'. Please make sure the java-version is set correctly. ${c.ERROR_HINT}`
+    )
+  }
+  if (
+    Array.isArray(response) ||
+    response.type !== 'file' ||
+    !response.content
+  ) {
+    throw new Error(
+      `Unexpected response when resolving download URL for '${javaEaVersion}'. ${c.ERROR_REQUEST}`
+    )
+  }
+  const versionData = JSON.parse(
+    Buffer.from(response.content, 'base64').toString('utf-8')
   )
-  const expectedFileNamePrefix = 'graalvm-jdk-'
-  const expectedFileNameSuffix = `_${c.JDK_PLATFORM}-${c.JDK_ARCH}_bin${c.GRAALVM_FILE_EXTENSION}`
-  for (const asset of latestPrerelease.assets) {
-    if (
-      asset.name.startsWith(expectedFileNamePrefix) &&
-      asset.name.endsWith(expectedFileNameSuffix)
-    ) {
-      return asset.browser_download_url
+  let latestVersion
+  if (javaEaVersion === ORACLE_GRAALVM_REPO_EA_BUILDS_LATEST_SYMBOL) {
+    latestVersion = versionData as c.OracleGraalVMEAVersion
+  } else {
+    latestVersion = (versionData as c.OracleGraalVMEAVersion[]).find(
+      v => v.latest
+    )
+    if (!latestVersion) {
+      throw new Error(
+        `Unable to find latest version for '${javaEaVersion}'. ${c.ERROR_REQUEST}`
+      )
     }
   }
-  throw new Error(
-    `Could not find Oracle GraalVM build for ${javaEaVersion}. ${c.ERROR_HINT}`
+  const file = latestVersion.files.find(
+    f => f.arch === c.JDK_ARCH && f.platform === c.GRAALVM_PLATFORM
   )
+  if (!file || !file.filename.startsWith('graalvm-jdk-')) {
+    throw new Error(
+      `Unable to find file metadata for '${javaEaVersion}'. ${c.ERROR_REQUEST}`
+    )
+  }
+  return `${latestVersion.download_base_url}${file.filename}`
 }
 
 export async function setUpGraalVMJDKCE(

src/utils.ts

@@ -34,25 +34,6 @@ export async function exec(
   }
 }
 
-export async function getLatestPrerelease(
-  repo: string
-): Promise<c.ReleasesResponse['data'][number]> {
-  const githubToken = getGitHubToken()
-  const options = githubToken.length > 0 ? {auth: githubToken} : {}
-  const octokit = new GitHubDotCom(options)
-  const releases: c.ReleasesResponse['data'] = (
-    await octokit.request('GET /repos/{owner}/{repo}/releases', {
-      owner: c.GRAALVM_GH_USER,
-      repo
-    })
-  ).data
-  const firstPrerelease = releases.find(r => r.prerelease)
-  if (!firstPrerelease) {
-    throw new Error(`Unable to find latest prerelease in ${repo}`)
-  }
-  return firstPrerelease
-}
-
 export async function getLatestRelease(
   repo: string
 ): Promise<c.LatestReleaseResponse['data']> {
@@ -67,6 +48,22 @@ export async function getLatestRelease(
   ).data
 }
 
+export async function getContents(
+  repo: string,
+  path: string
+): Promise<c.ContentsResponse['data']> {
+  const githubToken = getGitHubToken()
+  const options = githubToken.length > 0 ? {auth: githubToken} : {}
+  const octokit = new GitHubDotCom(options)
+  return (
+    await octokit.request('GET /repos/{owner}/{repo}/contents/{path}', {
+      owner: c.GRAALVM_GH_USER,
+      repo,
+      path
+    })
+  ).data
+}
+
 export async function getTaggedRelease(
   repo: string,
   tag: string