.

src/retry-helper.ts

@@ -0,0 +1,36 @@
+import * as core from '@actions/core'
+
+const maxAttempts = 3
+const minSeconds = 10
+const maxSeconds = 20
+
+export async function execute<T>(action: () => Promise<T>): Promise<T> {
+  let attempt = 1
+  while (attempt < maxAttempts) {
+    // Try
+    try {
+      return await action()
+    } catch (err) {
+      core.info(err.message)
+    }
+
+    // Sleep
+    const seconds = getRandomIntInclusive(minSeconds, maxSeconds)
+    core.info(`Waiting ${seconds} before trying again`)
+    await sleep(seconds * 1000)
+    attempt++
+  }
+
+  // Last attempt
+  return await action()
+}
+
+function getRandomIntInclusive(minimum: number, maximum: number): number {
+  minimum = Math.floor(minimum)
+  maximum = Math.floor(maximum)
+  return Math.floor(Math.random() * (maximum - minimum + 1)) + minimum
+}
+
+async function sleep(milliseconds): Promise<void> {
+  return new Promise(resolve => setTimeout(resolve, milliseconds))
+}