action.js

import core from "@actions/core";
import exec from "@actions/exec";
import { execSync } from "child_process";
import process from "process";

try {
  await exec.exec('git config --global user.name "ilo-nanpa[bot]"');
  await exec.exec(
    'git config --global user.email "174912985+ilo-nanpa[bot]@users.noreply.github.com"',
  );

  // clone and build nanpa
  const pwd = process.cwd();
  await exec.exec("git clone https://github.com/nbsp/nanpa.git ../nanpa");
  process.chdir("../nanpa");
  const tag = await exec.getExecOutput("git describe --abbrev=0");
  await exec.exec(`git checkout ${tag.stdout}`);
  execSync("curl https://sh.rustup.rs -sSf | sh -s -- -y");
  core.addPath(`${process.env.HOME}/.cargo/bin`);
  await exec.exec("cargo build --release");
  core.addPath(`${process.cwd()}/target/release`);

  process.chdir(pwd);
  const pkgs = JSON.parse(core.getInput("packages"));

  // run nanpa for each package
  for (const pkg of pkgs) {
    let pre, name;
    let found = /(.*)@[\d\.]+(-([\w\d]+)\.\d+)?/.exec(pkg);
    if (found) {
      if (found[1].includes("/")) {
        name = found[1].replace(/^[^/]*\//, "");
      } else {
        name = "";
      }
      if (found[3]) {
        pre = `--pre ${found[3]}`;
      } else {
        pre = "";
      }
    }
    await exec.exec(`nanpa changeset ${name} ${pre} -y`);
  }

  await exec.exec("git add .");
  await exec.exec('git commit -m"nanpa: bump"');
  for (const pkg of pkgs) {
    await exec.exec(`git tag ${pkg} -m ${pkg}`);
  }

  await exec.exec("git push origin --follow-tags");
} catch (error) {
  core.setFailed(error.message);
}