Add infrastructure for setting up GraalVM.

src/graalvm-trunk.ts

@@ -0,0 +1,103 @@
+import * as c from './constants'
+import * as core from '@actions/core'
+import * as tc from '@actions/tool-cache'
+import {SpawnSyncOptionsWithStringEncoding, spawnSync} from 'child_process'
+import {mkdirP, mv} from '@actions/io'
+import {findJavaHomeInSubfolder} from './utils'
+import {join} from 'path'
+
+const GRAALVM_TRUNK_DL =
+  'https://github.com/oracle/graal/archive/refs/heads/master.zip'
+const GRAALVM_MX_DL =
+  'https://github.com/graalvm/mx/archive/refs/heads/master.zip'
+const DEFAULT_SUITES = '/compiler,/regex,/sdk,/tools,/truffle'
+const GRAAL_REPO_DIR = join(c.GRAALVM_BASE, 'graal')
+const VM_DIR = join(GRAAL_REPO_DIR, 'vm')
+const MX_DIR = join(c.GRAALVM_BASE, 'mx')
+const MX_EXEC = c.IS_WINDOWS ? 'mx.cmd' : 'mx'
+const SPAWN_OPTIONS: SpawnSyncOptionsWithStringEncoding = {
+  cwd: VM_DIR,
+  encoding: 'utf8',
+  stdio: 'inherit'
+}
+
+const COMPONENTS_TO_SUITE_NAME = new Map<string, string>([
+  ['espresso', '/espresso'],
+  ['js', '/graal-js'],
+  ['llvm-toolchain', '/sulong'],
+  ['native-image', '/substratevm'],
+  ['nodejs', '/graal-nodejs'],
+  ['python', 'graalpython'],
+  ['R', 'fastr'],
+  ['ruby', 'truffleruby'],
+  ['wasm', '/wasm']
+])
+
+export async function setUpGraalVMTrunk(
+  javaVersion: string,
+  components: string[]
+): Promise<string> {
+  const jdkId = `labsjdk-ce-${javaVersion}`
+
+  core.startGroup(`Downloading GraalVM sources, mx, and ${jdkId}...`)
+
+  await tc.extractZip(await tc.downloadTool(GRAALVM_TRUNK_DL), c.GRAALVM_BASE)
+  await mv(join(c.GRAALVM_BASE, 'graal-master'), GRAAL_REPO_DIR)
+
+  await tc.extractZip(await tc.downloadTool(GRAALVM_MX_DL), c.GRAALVM_BASE)
+  await mv(join(c.GRAALVM_BASE, 'mx-master'), MX_DIR)
+  core.addPath(MX_DIR)
+  core.debug(`"${MX_DIR}" added to $PATH`)
+
+  const labsJDKDir = join(c.GRAALVM_BASE, 'labsjdk')
+  await mkdirP(labsJDKDir)
+  spawnSync(
+    MX_EXEC,
+    ['--java-home=', 'fetch-jdk', '--jdk-id', jdkId, '--to', labsJDKDir],
+    SPAWN_OPTIONS
+  )
+  const labsJDKHome = findJavaHomeInSubfolder(labsJDKDir)
+  core.exportVariable('JAVA_HOME', labsJDKHome)
+  core.debug(`$JAVA_HOME set to "${labsJDKHome}"`)
+
+  core.endGroup()
+
+  const dynamicImports = toSuiteNames(components).join(',')
+  const mxArgs = [
+    '--no-download-progress', // avoid cluttering the build log
+    '--disable-installables=true', // installables not needed
+    '--force-bash-launchers=true', // disable native launchers
+    '--exclude-components=LibGraal', // avoid building libgraal to save time
+    '--dynamicimports',
+    dynamicImports
+  ]
+  if (core.isDebug()) {
+    spawnSync(MX_EXEC, mxArgs.concat('graalvm-show'), SPAWN_OPTIONS)
+  }
+  const graalvmHome = spawnSync(MX_EXEC, mxArgs.concat(['graalvm-home']), {
+    ...SPAWN_OPTIONS,
+    stdio: 'pipe'
+  })
+  core.startGroup('Building GraalVM CE from source...')
+  spawnSync(MX_EXEC, mxArgs.concat(['build']), SPAWN_OPTIONS)
+  core.endGroup()
+  const graalvmHomePath = graalvmHome.stdout.trim()
+  if (core.isDebug()) {
+    const cmd = c.IS_WINDOWS ? 'dir' : 'ls'
+    spawnSync(cmd, [graalvmHomePath], {stdio: 'inherit'})
+  }
+  return graalvmHomePath
+}
+
+function toSuiteNames(components: string[]): string[] {
+  const names = [DEFAULT_SUITES]
+  for (const component of components) {
+    const suiteName = COMPONENTS_TO_SUITE_NAME.get(component)
+    if (suiteName) {
+      names.push(suiteName)
+    } else {
+      throw new Error(`Unsupported component: ${component}`)
+    }
+  }
+  return names
+}