feat: Add TypeScript Action (#83)

cf. https://github.com/peaceiris/actions-github-pages
Close #54

src/git-utils.ts

@@ -0,0 +1,187 @@
+import * as core from '@actions/core';
+import * as exec from '@actions/exec';
+import * as github from '@actions/github';
+import * as io from '@actions/io';
+import * as glob from '@actions/glob';
+import path from 'path';
+import {Inputs, CmdResult} from './interfaces';
+import {getHomeDir} from './utils';
+
+export async function createWorkDir(workDirName: string): Promise<void> {
+  await io.mkdirP(workDirName);
+  core.debug(`workDir was created: ${workDirName}`);
+  return;
+}
+
+export async function createBranchForce(branch: string): Promise<void> {
+  await exec.exec('git', ['init']);
+  await exec.exec('git', ['checkout', '--orphan', branch]);
+  return;
+}
+
+export async function copyAssets(
+  publishDir: string,
+  workDir: string
+): Promise<void> {
+  const copyOpts = {recursive: true, force: false};
+  const globber = await glob.create(`${publishDir}/*`);
+  for await (const file of globber.globGenerator()) {
+    if (file.endsWith('.git') || file.endsWith('.github')) {
+      continue;
+    }
+    await io.cp(file, `${workDir}/`, copyOpts);
+    core.info(`[INFO] copy ${file}`);
+  }
+
+  return;
+}
+
+export async function setRepo(inps: Inputs, remoteURL: string): Promise<void> {
+  const workDir = path.join(getHomeDir(), 'actions_github_pages');
+  const publishDir = path.join(
+    `${process.env.GITHUB_WORKSPACE}`,
+    inps.PublishDir
+  );
+
+  core.info(`[INFO] ForceOrphan: ${inps.ForceOrphan}`);
+  if (inps.ForceOrphan) {
+    await createWorkDir(workDir);
+    process.chdir(workDir);
+    await createBranchForce(inps.PublishBranch);
+    await copyAssets(publishDir, workDir);
+    return;
+  }
+
+  const result: CmdResult = {
+    exitcode: 0,
+    output: ''
+  };
+  const options = {
+    listeners: {
+      stdout: (data: Buffer): void => {
+        result.output += data.toString();
+      }
+    }
+  };
+  result.exitcode = await exec.exec(
+    'git',
+    [
+      'clone',
+      '--depth=1',
+      '--single-branch',
+      '--branch',
+      inps.PublishBranch,
+      remoteURL,
+      workDir
+    ],
+    options
+  );
+
+  process.chdir(workDir);
+
+  if (result.exitcode === 0) {
+    if (inps.KeepFiles) {
+      core.info('[INFO] Keep existing files');
+    } else {
+      await exec.exec('git', ['rm', '-r', '--ignore-unmatch', '*']);
+    }
+
+    await copyAssets(publishDir, workDir);
+    return;
+  } else {
+    core.info(
+      `[INFO] first deployment, create new branch ${inps.PublishBranch}`
+    );
+    await createWorkDir(workDir);
+    await createBranchForce(inps.PublishBranch);
+    await copyAssets(publishDir, workDir);
+    return;
+  }
+}
+
+export async function setConfig(
+  userName: string,
+  userEmail: string
+): Promise<void> {
+  await exec.exec('git', ['config', '--global', 'gc.auto', '0']);
+
+  let name = '';
+  if (userName) {
+    name = userName;
+  } else {
+    name = `${process.env.GITHUB_ACTOR}`;
+  }
+  await exec.exec('git', ['config', '--global', 'user.name', name]);
+
+  let email = '';
+  if (userName !== '' && userEmail !== '') {
+    email = userEmail;
+  } else {
+    email = `${process.env.GITHUB_ACTOR}@users.noreply.github.com`;
+  }
+  await exec.exec('git', ['config', '--global', 'user.email', email]);
+
+  return;
+}
+
+export async function commit(
+  allowEmptyCommit: boolean,
+  externalRepository: string,
+  message: string
+): Promise<void> {
+  let msg = '';
+  if (message) {
+    msg = message;
+  } else {
+    msg = 'deploy:';
+  }
+
+  const hash = `${process.env.GITHUB_SHA}`;
+  const baseRepo = `${github.context.repo.owner}/${github.context.repo.repo}`;
+  if (externalRepository) {
+    msg = `${msg} ${baseRepo}@${hash}`;
+  } else {
+    msg = `${msg} ${hash}`;
+  }
+
+  try {
+    if (allowEmptyCommit) {
+      await exec.exec('git', ['commit', '--allow-empty', '-m', `${msg}`]);
+    } else {
+      await exec.exec('git', ['commit', '-m', `${msg}`]);
+    }
+  } catch (e) {
+    core.info('[INFO] skip commit');
+    core.debug(`[INFO] skip commit ${e}`);
+  }
+}
+
+export async function push(
+  branch: string,
+  forceOrphan: boolean
+): Promise<void> {
+  if (forceOrphan) {
+    await exec.exec('git', ['push', 'origin', '--force', branch]);
+  } else {
+    await exec.exec('git', ['push', 'origin', branch]);
+  }
+}
+
+export async function pushTag(
+  tagName: string,
+  tagMessage: string
+): Promise<void> {
+  if (tagName === '') {
+    return;
+  }
+
+  let msg = '';
+  if (tagMessage) {
+    msg = tagMessage;
+  } else {
+    msg = `Deployment ${tagName}`;
+  }
+
+  await exec.exec('git', ['tag', '-a', `${tagName}`, '-m', `${msg}`]);
+  await exec.exec('git', ['push', 'origin', `${tagName}`]);
+}