1 files changed, 55 insertions, 0 deletions
diff --git a/tools/release/03_bump_cli_version.ts b/tools/release/03_bump_cli_version.ts
new file mode 100644
index 000000000..5ecf3bf6e
--- /dev/null
+++ b/tools/release/03_bump_cli_version.ts
@@ -0,0 +1,55 @@
+#!/usr/bin/env -S deno run --allow-read --allow-write --allow-run="cargo,git"
+// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
+import {
+  DenoWorkspace,
+  formatGitLogForMarkdown,
+  getGitLogFromTag,
+} from "./helpers/mod.ts";
+
+const workspace = await DenoWorkspace.load();
+
+const cliCrate = workspace.getCliCrate();
+const originalVersion = cliCrate.version;
+
+// increment the version
+await cliCrate.increment(getVersionIncrement());
+
+// output the Releases.md markdown text
+console.log(
+  "You may use the following as a template for updating Releases.md:\n",
+);
+console.log(await getReleasesMdText());
+
+function getVersionIncrement() {
+  if (confirm("Increment patch?")) {
+    return "patch";
+  } else if (confirm("Increment minor?")) {
+    return "minor";
+  } else if (confirm("Increment major?")) {
+    return "major";
+  } else {
+    throw new Error("No decision.");
+  }
+}
+
+async function getReleasesMdText() {
+  const gitLogOutput = await getGitLogFromTag(
+    DenoWorkspace.rootDirPath,
+    `v${originalVersion}`,
+  );
+  const formattedGitLog = formatGitLogForMarkdown(gitLogOutput);
+  const formattedDate = getFormattedDate(new Date());
+
+  return `### ${cliCrate.version} / ${formattedDate}\n\n` +
+    `${formattedGitLog}`;
+
+  function getFormattedDate(date: Date) {
+    const formattedMonth = padTwoDigit(date.getMonth() + 1);
+    const formattedDay = padTwoDigit(date.getDate());
+    return `${date.getFullYear()}.${formattedMonth}.${formattedDay}`;
+
+    function padTwoDigit(val: number) {
+      return val.toString().padStart(2, "0");
+    }
+  }
+}