Update README.md

Update README.md to point to Erlang Ecosystem Foundation

README.md

@@ -1,5 +1,7 @@
 # setup-elixir
 
+**Please note: This repository is currently unmaintained by a team of developers at GitHub. It is now maintained by the [Erlang Ecosystem Foundation](https://erlef.org) at [erlef/setup-elixir](https://github.com/erlef/setup-elixir). Rather than using actions/setup-elixir, please begin referring to that action in your workflows, instead.**
+
 [![](https://github.com/actions/setup-elixir/workflows/Test/badge.svg)](https://github.com/actions/setup-elixir/actions)
 [![](https://github.com/actions/setup-elixir/workflows/Licensed/badge.svg)](https://github.com/actions/setup-elixir/actions)
 

action.yml

@@ -9,6 +9,9 @@ inputs:
     description: Version range or exact version of Elixir to use
   otp-version:
     description: Version range or exact version of OTP to use
+  experimental-otp:
+    description: Whether to use experimental builds of OTP (images that have not yet been fully tested include ubuntu-16.04, ubuntu-18.04, ubuntu-20.04)
+    default: false
   install-hex:
     description: Whether to install Hex
     default: true

dist/index.js

@@ -2955,9 +2955,9 @@ async function installElixir(version, otpMajor) {
  *
  * @param {string} version
  */
-async function installOTP(version) {
+async function installOTP(version, osVersion) {
   if (process.platform === 'linux') {
-    await exec(__webpack_require__.ab + "install-otp", [version])
+    await exec(__webpack_require__.ab + "install-otp", [version, osVersion])
     return
   }
 
@@ -3324,11 +3324,16 @@ async function main() {
 
   let installHex = core.getInput('install-hex')
   installHex = installHex == null ? 'true' : installHex
+
   let installRebar = core.getInput('install-rebar')
   installRebar = installRebar == null ? 'true' : installRebar
 
-  console.log(`##[group]Installing OTP ${otpVersion}`)
-  await installOTP(otpVersion)
+  const experimentalOTP = core.getInput('experimental-otp')
+  const osVersion =
+    experimentalOTP === 'true' ? getRunnerOSVersion() : 'ubuntu-14.04'
+
+  console.log(`##[group]Installing OTP ${otpVersion} - built on ${osVersion}`)
+  await installOTP(otpVersion, osVersion)
   console.log(`##[endgroup]`)
 
   console.log(`##[group]Installing Elixir ${elixirVersion}`)
@@ -3344,6 +3349,7 @@ async function main() {
   console.log(`##[add-matcher]${path.join(matchersPath, 'elixir.json')}`)
   core.setOutput('otp-version', otpVersion)
   core.setOutput('elixir-version', elixirVersion)
+  core.setOutput('osVersion', osVersion)
 }
 
 function checkPlatform() {
@@ -3357,6 +3363,16 @@ async function getOtpVersion(spec) {
   return getVersionFromSpec(spec, await getOtpVersions()) || spec
 }
 
+function getRunnerOSVersion(experimentalOTP) {
+  const mapToUbuntuVersion = {
+    ubuntu16: 'ubuntu-16.04',
+    ubuntu18: 'ubuntu-18.04',
+    ubuntu20: 'ubuntu-20.04',
+  }
+
+  return mapToUbuntuVersion[process.env.ImageOS] || 'ubuntu-18.04'
+}
+
 exports.getElixirVersion = getElixirVersion
 
 async function getElixirVersion(spec, otpVersion) {

dist/install-otp

@@ -4,7 +4,7 @@ set -eo pipefail
 
 cd $RUNNER_TEMP
 
-wget -q -O otp.tar.gz https://repo.hex.pm/builds/otp/ubuntu-14.04/OTP-${1}.tar.gz
+wget -q -O otp.tar.gz https://repo.hex.pm/builds/otp/${2}/OTP-${1}.tar.gz
 mkdir -p .setup-elixir/otp
 tar zxf otp.tar.gz -C .setup-elixir/otp --strip-components=1
 rm otp.tar.gz

src/install-otp

@@ -4,7 +4,7 @@ set -eo pipefail
 
 cd $RUNNER_TEMP
 
-wget -q -O otp.tar.gz https://repo.hex.pm/builds/otp/ubuntu-14.04/OTP-${1}.tar.gz
+wget -q -O otp.tar.gz https://repo.hex.pm/builds/otp/${2}/OTP-${1}.tar.gz
 mkdir -p .setup-elixir/otp
 tar zxf otp.tar.gz -C .setup-elixir/otp --strip-components=1
 rm otp.tar.gz

src/installer.js

@@ -22,9 +22,9 @@ async function installElixir(version, otpMajor) {
  *
  * @param {string} version
  */
-async function installOTP(version) {
+async function installOTP(version, osVersion) {
   if (process.platform === 'linux') {
-    await exec(path.join(__dirname, 'install-otp'), [version])
+    await exec(path.join(__dirname, 'install-otp'), [version, osVersion])
     return
   }
 

src/setup-elixir.js

@@ -26,11 +26,16 @@ async function main() {
 
   let installHex = core.getInput('install-hex')
   installHex = installHex == null ? 'true' : installHex
+
   let installRebar = core.getInput('install-rebar')
   installRebar = installRebar == null ? 'true' : installRebar
 
-  console.log(`##[group]Installing OTP ${otpVersion}`)
-  await installOTP(otpVersion)
+  const experimentalOTP = core.getInput('experimental-otp')
+  const osVersion =
+    experimentalOTP === 'true' ? getRunnerOSVersion() : 'ubuntu-14.04'
+
+  console.log(`##[group]Installing OTP ${otpVersion} - built on ${osVersion}`)
+  await installOTP(otpVersion, osVersion)
   console.log(`##[endgroup]`)
 
   console.log(`##[group]Installing Elixir ${elixirVersion}`)
@@ -46,6 +51,7 @@ async function main() {
   console.log(`##[add-matcher]${path.join(matchersPath, 'elixir.json')}`)
   core.setOutput('otp-version', otpVersion)
   core.setOutput('elixir-version', elixirVersion)
+  core.setOutput('osVersion', osVersion)
 }
 
 function checkPlatform() {
@@ -59,6 +65,16 @@ async function getOtpVersion(spec) {
   return getVersionFromSpec(spec, await getOtpVersions()) || spec
 }
 
+function getRunnerOSVersion(experimentalOTP) {
+  const mapToUbuntuVersion = {
+    ubuntu16: 'ubuntu-16.04',
+    ubuntu18: 'ubuntu-18.04',
+    ubuntu20: 'ubuntu-20.04',
+  }
+
+  return mapToUbuntuVersion[process.env.ImageOS] || 'ubuntu-18.04'
+}
+
 exports.getElixirVersion = getElixirVersion
 
 async function getElixirVersion(spec, otpVersion) {