feat: create GitHub releases (#311)

* feat: return stdout when command success

* feat: create github release

* fix: change title

* feat: extract changelog from existing one

* fix: avoid linux style path separator

* fix: restore printCommand

* fix: do not generate chanelog if there no CHANGELOG found

* fix: treat version as release title

* fix: dependency

* fix: create release even if not using changelog

* fix: update usage of `run` function

* chore: remove blank lines

packages/shipjs/src/flow/release.js

@@ -13,6 +13,7 @@ import runPublish from '../step/release/runPublish';
 import runAfterPublish from '../step/release/runAfterPublish';
 import createGitTag from '../step/release/createGitTag';
 import gitPush from '../step/release/gitPush';
+import createGitHubRelease from '../step/release/createGitHubRelease';
 import notifyReleaseSuccess from '../step/release/notifyReleaseSuccess';
 import finished from '../step/finished';
 
@@ -49,6 +50,7 @@ async function release({ help = false, dir = '.', dryRun = false }) {
   await runAfterPublish({ config, dir, dryRun });
   const { tagName } = createGitTag({ version, config, dir, dryRun });
   gitPush({ tagName, config, dir, dryRun });
+  createGitHubRelease({ version, config, dir, dryRun });
   await notifyReleaseSuccess({
     config,
     appName,

packages/shipjs/src/step/release/createGitHubRelease.js

@@ -0,0 +1,49 @@
+import fs from 'fs';
+import path from 'path';
+import tempWrite from 'temp-write';
+
+import runStep from '../runStep';
+
+function getChangelog(version, rootDir) {
+  const changelogMatcher = new RegExp(
+    `#+?[\\s\\[]*?(${version})(.|\n)+?(?=#+?[\\s\\[]*?\\d\\.\\d|$)`
+  );
+  const changelogPath = path.resolve(rootDir, 'CHANGELOG.md');
+  try {
+    const changelogFile = fs.readFileSync(changelogPath, 'utf-8').toString();
+    const changelogMatch = changelogFile.match(changelogMatcher);
+    if (changelogMatch !== null) {
+      // because first line of a log file must be title of the release
+      return `${version}\n\n${changelogMatch[0]}`;
+    }
+  } catch (err) {
+    if (err.code === 'ENOENT') {
+      return null;
+    }
+    throw err;
+  }
+  return null;
+}
+
+export default ({ version, config, dir, dryRun }) =>
+  runStep({ title: 'Creating a release on GitHub repository' }, ({ run }) => {
+    const { getTagName } = config;
+    const tagName = getTagName({ version });
+
+    // extract matching changelog
+    const changelog = config.updateChangelog
+      ? getChangelog(version, dir)
+      : null;
+    const exportedPath = tempWrite.sync(changelog || tagName);
+
+    // create GitHub release
+    const releaseCommand = [
+      'hub',
+      'release',
+      'create',
+      `-F ${exportedPath}`,
+      tagName,
+    ].join(' ');
+
+    run({ command: releaseCommand, dir, dryRun });
+  });