Add support for ARM builds

dist/index.js

@@ -10085,7 +10085,12 @@ async function getOTPVersions(osVersion) {
   let otpVersionsListings
   let originListing
   if (process.platform === 'linux') {
-    originListing = `/builds/otp/${osVersion}/builds.txt`
+    let osArchitecture = getRunnerOSArchitecture()
+    if (osArchitecture.length > 0) {
+      osArchitecture = `${osArchitecture}/`
+    }
+
+    originListing = `/builds/otp/${osArchitecture}${osVersion}/builds.txt`
     otpVersionsListings = await doWithMirrors({
       hexMirrors: hexMirrorsInput(),
       actionTitle: `fetch ${originListing}`,
@@ -10309,6 +10314,28 @@ function isKnownBranch(ver) {
   return ['main', 'master', 'maint'].includes(ver)
 }
 
+function githubARMRunnerArchs() {
+  return ['ARM', 'ARM64']
+}
+
+function githubAMDRunnerArchs() {
+  return ['X86', 'X64']
+}
+
+function getRunnerOSArchitecture() {
+  // These options come from:
+  // https://docs.github.com/en/actions/learn-github-actions/variables#default-environment-variables
+  if (githubARMRunnerArchs().includes(process.env.RUNNER_ARCH)) {
+    return 'arm64'
+  }
+
+  if (githubAMDRunnerArchs().includes(process.env.RUNNER_ARCH)) {
+    return 'amd64'
+  }
+
+  return ''
+}
+
 function getRunnerOSVersion() {
   const ImageOSToContainer = {
     ubuntu18: 'ubuntu-18.04',

src/setup-beam.js

@@ -254,7 +254,12 @@ async function getOTPVersions(osVersion) {
   let otpVersionsListings
   let originListing
   if (process.platform === 'linux') {
-    originListing = `/builds/otp/${osVersion}/builds.txt`
+    let osArchitecture = getRunnerOSArchitecture()
+    if (osArchitecture.length > 0) {
+      osArchitecture = `${osArchitecture}/`
+    }
+
+    originListing = `/builds/otp/${osArchitecture}${osVersion}/builds.txt`
     otpVersionsListings = await doWithMirrors({
       hexMirrors: hexMirrorsInput(),
       actionTitle: `fetch ${originListing}`,
@@ -478,6 +483,28 @@ function isKnownBranch(ver) {
   return ['main', 'master', 'maint'].includes(ver)
 }
 
+function githubARMRunnerArchs() {
+  return ['ARM', 'ARM64']
+}
+
+function githubAMDRunnerArchs() {
+  return ['X86', 'X64']
+}
+
+function getRunnerOSArchitecture() {
+  // These options come from:
+  // https://docs.github.com/en/actions/learn-github-actions/variables#default-environment-variables
+  if (githubARMRunnerArchs().includes(process.env.RUNNER_ARCH)) {
+    return 'arm64'
+  }
+
+  if (githubAMDRunnerArchs().includes(process.env.RUNNER_ARCH)) {
+    return 'amd64'
+  }
+
+  return ''
+}
+
 function getRunnerOSVersion() {
   const ImageOSToContainer = {
     ubuntu18: 'ubuntu-18.04',

test/setup-beam.test.js

@@ -21,6 +21,8 @@ async function all() {
   await testFailInstallRebar3()
 
   await testOTPVersions()
+  await testLinuxARM64OTPVersions()
+  await testLinuxAMD64OTPVersions()
   await testElixirVersions()
   await testGleamVersions()
   await testRebar3Versions()
@@ -235,6 +237,194 @@ async function testOTPVersions() {
   simulateInput('hexpm-mirrors', hexMirrors, { multiline: true })
 }
 
+async function testLinuxARM64OTPVersions() {
+  let got
+  let expected
+  let spec
+  let osVersion
+  let before
+  const hexMirrors = simulateInput(
+    'hexpm-mirrors',
+    'https://repo.hex.pm, https://cdn.jsdelivr.net/hex',
+    { multiline: true },
+  )
+
+  const arm64Options = setupBeam.githubARMRunnerArchs()
+  process.env.RUNNER_ARCH =
+    arm64Options[Math.floor(Math.random() * arm64Options.length)]
+
+  if (process.platform === 'linux') {
+    before = simulateInput('version-type', 'strict')
+    spec = '26'
+    osVersion = 'ubuntu-24.04'
+    expected = 'maint-26'
+    got = await setupBeam.getOTPVersion(spec, osVersion, hexMirrors)
+    assert.deepStrictEqual(got, expected)
+
+    simulateInput('version-type', before)
+    spec = '27.0'
+    osVersion = 'ubuntu-24.04'
+    expected = 'OTP-27.0'
+    got = await setupBeam.getOTPVersion(spec, osVersion, hexMirrors)
+    assert.deepStrictEqual(got, expected)
+
+    simulateInput('version-type', before)
+    spec = '25.3.2.1'
+    osVersion = 'ubuntu-20.04'
+    expected = 'OTP-25.3.2.1'
+    got = await setupBeam.getOTPVersion(spec, osVersion, hexMirrors)
+    assert.deepStrictEqual(got, expected)
+    simulateInput('version-type', before)
+
+    spec = '20'
+    osVersion = 'ubuntu-20.04'
+    expected = 'OTP-20.3.8.26'
+    got = await setupBeam.getOTPVersion(spec, osVersion)
+    assert.deepStrictEqual(got, expected)
+
+    spec = '20.3.8.26'
+    osVersion = 'ubuntu-20.04'
+    expected = 'OTP-20.3.8.26'
+    got = await setupBeam.getOTPVersion(spec, osVersion, hexMirrors)
+    assert.deepStrictEqual(got, expected)
+
+    spec = '20.x'
+    osVersion = 'ubuntu-20.04'
+    expected = 'OTP-20.3.8.26'
+    got = await setupBeam.getOTPVersion(spec, osVersion)
+    assert.deepStrictEqual(got, expected)
+
+    spec = '20.0'
+    osVersion = 'ubuntu-20.04'
+    expected = 'OTP-20.0.5'
+    got = await setupBeam.getOTPVersion(spec, osVersion)
+    assert.deepStrictEqual(got, expected)
+
+    spec = '20.0.x'
+    osVersion = 'ubuntu-20.04'
+    expected = 'OTP-20.0.5'
+    got = await setupBeam.getOTPVersion(spec, osVersion)
+    assert.deepStrictEqual(got, expected)
+
+    spec = 'maint'
+    osVersion = 'ubuntu-22.04'
+    expected = 'maint'
+    got = await setupBeam.getOTPVersion(spec, osVersion, hexMirrors)
+    assert.deepStrictEqual(got, expected)
+
+    spec = 'master'
+    osVersion = 'ubuntu-22.04'
+    expected = 'master'
+    got = await setupBeam.getOTPVersion(spec, osVersion, hexMirrors)
+    assert.deepStrictEqual(got, expected)
+  }
+
+  simulateInput('hexpm-mirrors', hexMirrors, { multiline: true })
+}
+
+async function testLinuxAMD64OTPVersions() {
+  let got
+  let expected
+  let spec
+  let osVersion
+  let before
+  const hexMirrors = simulateInput(
+    'hexpm-mirrors',
+    'https://repo.hex.pm, https://cdn.jsdelivr.net/hex',
+    { multiline: true },
+  )
+
+  const amd64Options = setupBeam.githubAMDRunnerArchs()
+  process.env.RUNNER_ARCH =
+    amd64Options[Math.floor(Math.random() * amd64Options.length)]
+
+  if (process.platform === 'linux') {
+    before = simulateInput('version-type', 'strict')
+    spec = '26'
+    osVersion = 'ubuntu-24.04'
+    expected = 'maint-26'
+    got = await setupBeam.getOTPVersion(spec, osVersion, hexMirrors)
+    assert.deepStrictEqual(got, expected)
+
+    simulateInput('version-type', before)
+    spec = '27.0'
+    osVersion = 'ubuntu-24.04'
+    expected = 'OTP-27.0'
+    got = await setupBeam.getOTPVersion(spec, osVersion, hexMirrors)
+    assert.deepStrictEqual(got, expected)
+
+    simulateInput('version-type', before)
+    spec = '25.3.2.1'
+    osVersion = 'ubuntu-20.04'
+    expected = 'OTP-25.3.2.1'
+    got = await setupBeam.getOTPVersion(spec, osVersion, hexMirrors)
+    assert.deepStrictEqual(got, expected)
+
+    simulateInput('version-type', before)
+    spec = '19.3.x'
+    osVersion = 'ubuntu-16.04'
+    expected = 'OTP-19.3.6.13'
+    got = await setupBeam.getOTPVersion(spec, osVersion)
+    assert.deepStrictEqual(got, expected)
+
+    spec = '^19.3.6'
+    osVersion = 'ubuntu-16.04'
+    expected = 'OTP-19.3.6.13'
+    got = await setupBeam.getOTPVersion(spec, osVersion)
+    assert.deepStrictEqual(got, expected)
+
+    spec = '^19.3'
+    osVersion = 'ubuntu-18.04'
+    expected = 'OTP-19.3.6.13'
+    got = await setupBeam.getOTPVersion(spec, osVersion)
+    assert.deepStrictEqual(got, expected)
+
+    spec = '20'
+    osVersion = 'ubuntu-20.04'
+    expected = 'OTP-20.3.8.26'
+    got = await setupBeam.getOTPVersion(spec, osVersion)
+    assert.deepStrictEqual(got, expected)
+
+    spec = '20.3.8.26'
+    osVersion = 'ubuntu-20.04'
+    expected = 'OTP-20.3.8.26'
+    got = await setupBeam.getOTPVersion(spec, osVersion, hexMirrors)
+    assert.deepStrictEqual(got, expected)
+
+    spec = '20.x'
+    osVersion = 'ubuntu-20.04'
+    expected = 'OTP-20.3.8.26'
+    got = await setupBeam.getOTPVersion(spec, osVersion)
+    assert.deepStrictEqual(got, expected)
+
+    spec = '20.0'
+    osVersion = 'ubuntu-20.04'
+    expected = 'OTP-20.0.5'
+    got = await setupBeam.getOTPVersion(spec, osVersion)
+    assert.deepStrictEqual(got, expected)
+
+    spec = '20.0.x'
+    osVersion = 'ubuntu-20.04'
+    expected = 'OTP-20.0.5'
+    got = await setupBeam.getOTPVersion(spec, osVersion)
+    assert.deepStrictEqual(got, expected)
+
+    spec = 'maint'
+    osVersion = 'ubuntu-22.04'
+    expected = 'maint'
+    got = await setupBeam.getOTPVersion(spec, osVersion, hexMirrors)
+    assert.deepStrictEqual(got, expected)
+
+    spec = 'master'
+    osVersion = 'ubuntu-22.04'
+    expected = 'master'
+    got = await setupBeam.getOTPVersion(spec, osVersion, hexMirrors)
+    assert.deepStrictEqual(got, expected)
+  }
+
+  simulateInput('hexpm-mirrors', hexMirrors, { multiline: true })
+}
+
 async function testElixirVersions() {
   let got
   let expected