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// Copyright 2017-2022 @polkadot/deno authors & contributors// SPDX-License-Identifier: Apache-2.0
// execute with//   deno run --allow-read --allow-run --allow-write --allow-env ci-release.ts
import { stringCamelCase } from 'https://deno.land/x/polkadot@0.0.1/util/mod.ts';
// tighter specification for git argumentstype GitArgs =  ['add', '--all', '.'] |  ['checkout', 'master'] |  ['commit', '--no-status', '--quiet', '-m', string] |  ['config', 'merge.ours.driver' | 'push.default' | `user.${'email' | 'name'}`, string] |  ['push', string] |  ['push', string, '--tags'] |  ['tag', string];
// regex for matching `deno.land/x/polkadot[@<version>]/const RE_PKG = /deno\.land\/x\/polkadot(@\d*\.\d*\.\d*(-\d*)?)?\//g;
// execute a commandasync function exec(...cmd: string[]): Promise<void> {  const shortCmd = `'${cmd[0]} ${cmd[1]} ...'`;
  console.log(`+ ${shortCmd}`);
  const status = await Deno.run({ cmd }).status();
  if (!status.success) {    throw new Error(`FATAL: ${shortCmd} returned ${status.code}`);  };}
// shortcut for exec('git', ...string[])function git (...args: GitArgs): Promise<void> {  return exec('git', ...args);}
// retrieve the current version from CHANGELOG.mdasync function getVersion(): Promise<string> {  const contents = await Deno.readTextFile('CHANGELOG.md');  const vermatch = contents.match(/# CHANGELOG\n\n## (\d*.\d*.\d*(-\d*)?) /);
  if (!vermatch || !vermatch[1]) {    throw new Error('FATAL: Unable to extract expected version from CHANGELOG.md');  }
  return vermatch[1];}
// sets the version globally to all deno.land/x/polkadot importsasync function setVersion(version: string, dir: string): Promise<void> {  for await (const entry of Deno.readDir(dir)) {    if (entry.isDirectory) {      await setVersion(version, `${dir}/${entry.name}`);    } else if (entry.name.endsWith('.ts') || entry.name.endsWith('.md')) {      const path = `${dir}/${entry.name}`;      const contents = await Deno.readTextFile(path);
      if (RE_PKG.test(contents)) {        await Deno.writeTextFile(path, contents.replace(RE_PKG, `deno.land/x/polkadot@${version}/`));      }    }  }}
// sets up git, username, merge & latestasync function gitSetup(): Promise<void> {  const USER = 'github-actions[bot]';  const MAIL = '41898282+github-actions[bot]@users.noreply.github.com';
  await git('config', 'user.name', USER);  await git('config', 'user.email', MAIL);  await git('config', 'push.default', 'simple');  await git('config', 'merge.ours.driver', 'true');  await git('checkout', 'master');}
// commit and push the changes to gitasync function gitPush(version: string): Promise<void> {  const REPO = `https://${Deno.env.get('GH_PAT')}@github.com/${Deno.env.get('GITHUB_REPOSITORY')}.git`;
  await git('add', '--all', '.');  await git('commit', '--no-status', '--quiet', '-m', `[CI Skip] deno.land/x/polkadot@${version}`);  await git('push', REPO);  await git('tag', version);  await git('push', REPO, '--tags');}
// creates a new mod.ts file with all the available importsasync function createModTs (): Promise<void> {  const imports: string[] = [];
  for await (const entry of Deno.readDir('.')) {    if (entry.isDirectory && !entry.name.startsWith('.')) {      imports.push(`export * as ${stringCamelCase(entry.name)} from './${entry.name}/mod.ts';`);    }  }
  await Deno.writeTextFile('mod.ts', `// Copyright 2017-${new Date().getFullYear()} @polkadot/deno authors & contributors\n// SPDX-License-Identifier: Apache-2.0\n\n// auto-generated via ci-release.ts, do not edit\n\n${imports.sort().join('\n')}\n`);}
const version = await getVersion();
await gitSetup();await createModTs();await setVersion(version, '.');await gitPush(version);