1 files changed, 92 insertions, 0 deletions
diff --git a/tools/release/helpers/helpers.ts b/tools/release/helpers/helpers.ts
new file mode 100644
index 000000000..c034af546
--- /dev/null
+++ b/tools/release/helpers/helpers.ts
@@ -0,0 +1,92 @@
+// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
+
+import type { DenoWorkspaceCrate } from "./deno_workspace.ts";
+
+export function getCratesPublishOrder(crates: DenoWorkspaceCrate[]) {
+  const pendingCrates = [...crates];
+  const sortedCrates = [];
+
+  while (pendingCrates.length > 0) {
+    for (let i = pendingCrates.length - 1; i >= 0; i--) {
+      const crate = pendingCrates[i];
+      const hasPendingDependency = crate.getDependencies()
+        .some((c) => pendingCrates.includes(c));
+      if (!hasPendingDependency) {
+        sortedCrates.push(crate);
+        pendingCrates.splice(i, 1);
+      }
+    }
+  }
+
+  return sortedCrates;
+}
+
+export function getGitLogFromTag(directory: string, tagName: string) {
+  return runCommand({
+    cwd: directory,
+    cmd: ["git", "log", "--oneline", `${tagName}..`],
+  });
+}
+
+export function formatGitLogForMarkdown(text: string) {
+  return text.split(/\r?\n/)
+    .map((line) => line.replace(/^[a-f0-9]{9} /i, "").trim())
+    .filter((l) => !l.startsWith("chore") && l.length > 0)
+    .sort()
+    .map((line) => `- ${line}`)
+    .join("\n");
+}
+
+export async function runCommand(params: {
+  cwd: string;
+  cmd: string[];
+}) {
+  const p = Deno.run({
+    cwd: params.cwd,
+    cmd: params.cmd,
+    stderr: "piped",
+    stdout: "piped",
+  });
+
+  const [status, stdout, stderr] = await Promise.all([
+    p.status(),
+    p.output(),
+    p.stderrOutput(),
+  ]);
+  p.close();
+
+  if (!status.success) {
+    throw new Error(
+      `Error executing ${params.cmd[0]}: ${new TextDecoder().decode(stderr)}`,
+    );
+  }
+
+  return new TextDecoder().decode(stdout);
+}
+
+export async function withRetries<TReturn>(params: {
+  action: () => Promise<TReturn>;
+  retryCount: number;
+  retryDelaySeconds: number;
+}) {
+  for (let i = 0; i < params.retryCount; i++) {
+    if (i > 0) {
+      console.log(
+        `Failed. Trying again in ${params.retryDelaySeconds} seconds...`,
+      );
+      await delay(params.retryDelaySeconds * 1000);
+      console.log(`Attempt ${i + 1}/${params.retryCount}...`);
+    }
+    try {
+      return await params.action();
+    } catch (err) {
+      console.error(err);
+    }
+  }
+
+  throw new Error(`Failed after ${params.retryCount} attempts.`);
+}
+
+function delay(ms: number) {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}