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index.js

@@ -1,21 +1,56 @@
-const core = require('@actions/core');
-const wait = require('./wait');
+const core = require('@actions/core')
+const io = require('@actions/io')
+const tc = require('@actions/tool-cache')
+const os = require('os')
+const fs = require('fs')
 
-
-// most @actions toolkit packages have async methods
 async function run() {
-  try { 
-    const ms = core.getInput('milliseconds');
-    console.log(`Waiting ${ms} milliseconds ...`)
+  try {
+    const rubyVersion = core.getInput('ruby-version')
 
-    core.debug((new Date()).toTimeString())
-    wait(parseInt(ms));
-    core.debug((new Date()).toTimeString())
+    let ruby = rubyVersion
+    if (!ruby.includes('-')) {
+      ruby = 'ruby-' + ruby;
+    }
 
-    core.setOutput('time', new Date().toTimeString());
-  } 
-  catch (error) {
-    core.setFailed(error.message);
+    const rubiesDir = `${process.env.HOME}/.rubies`
+    await io.mkdirP(rubiesDir)
+
+    const platform = getVirtualEnvironmentName()
+    const url = `https://github.com/eregon/ruby-install-builder/releases/download/builds/${ruby}-${platform}.tar.gz`
+    console.log(url)
+
+    const downloadPath = await tc.downloadTool(url)
+    await tc.extractTar(downloadPath, rubiesDir)
+
+    const rubyPrefix = `${rubiesDir}/${ruby}`
+    core.addPath(`${rubyPrefix}/bin`)
+    core.setOutput('ruby-prefix', rubyPrefix)
+  } catch (error) {
+    core.setFailed(error.message)
+  }
+}
+
+function getVirtualEnvironmentName() {
+  const platform = os.platform()
+  if (platform == 'linux') {
+    return `ubuntu-${findUbuntuVersion()}`
+  } else if (platform == 'darwin') {
+    return 'macos-latest'
+  } else if (platform == 'win32') {
+    return 'windows-latest'
+  } else {
+    throw new Error(`Unknown platform ${platform}`)
+  }
+}
+
+function findUbuntuVersion() {
+  const lsb_release = fs.readFileSync('/etc/lsb-release', 'utf8')
+  const match = lsb_release.match(/^DISTRIB_RELEASE=(\d+\.\d+)$/m)
+  if (match) {
+    return match[1]
+  } else {
+    throw new Error('Could not find Ubuntu version')
   }
 }