Merge pull request #115 from UofGAnalytics/hotfix-use-authenticated-g…

…it-to-check-for-new-version

use authenticated git to check for new version

compiler/src/utils/check-for-latest-version.ts

@@ -1,39 +1,88 @@
+import { spawn } from 'child_process';
+import { EOL } from 'os';
+
 import chalk from 'chalk';
 import figureSet from 'figures';
-import fetch from 'node-fetch';
 
 const repo = 'UofGAnalytics/build-coursework';
 
-type ReleaseInfo = {
-  tag_name?: string;
-};
-
 export async function checkForLatestVersion() {
   if (process.env.NODE_ENV === 'test') {
     return;
   }
-  const response = await fetch(
-    `https://api.github.com/repos/${repo}/releases/latest`
-  );
-  const json = (await response.json()) as ReleaseInfo;
+
   const currentVersion = process.env.VERSION;
 
-  if (json.tag_name === undefined) {
+  try {
+    const tags = await listRemoteGitTags();
+    const latestTag = parseLatestTag(tags);
+
+    if (latestTag !== currentVersion) {
+      console.log(chalk.yellow.bold('New version available'));
+      console.log(chalk.yellow(`Current version: ${currentVersion}`));
+      console.log(chalk.yellow(`Latest version: ${latestTag}`));
+      console.log(chalk.yellow(`Run the following command to update:`));
+      console.log(chalk.yellow(`npm install -g ${repo}`));
+      console.log('');
+    } else {
+      // console.log(chalk.yellow(`Up to date :)`));
+    }
+  } catch (err) {
     const message = `Can't read latest version from Github`;
     console.log(chalk.yellow.bold(`${figureSet.warning}  ${message}`));
     console.log(chalk.yellow(`Current version: ${currentVersion}`));
     console.log('');
-    return;
   }
+}
 
-  const latestTag = json.tag_name.replace('v', '');
+async function listRemoteGitTags() {
+  return new Promise<string>((resolve, reject) => {
+    // https://stackoverflow.com/questions/10649814#12704727
+    const lsRemote = spawn('git', [
+      '-c',
+      'versionsort.suffix=-',
+      'ls-remote',
+      '--tags',
+      '--sort=v:refname',
+      `https://github.com/${repo}`,
+    ]);
 
-  if (latestTag !== currentVersion) {
-    console.log(chalk.yellow.bold('New version available'));
-    console.log(chalk.yellow(`Current version: ${currentVersion}`));
-    console.log(chalk.yellow(`Latest version: ${latestTag}`));
-    console.log(chalk.yellow(`Run the following command to update:`));
-    console.log(chalk.yellow(`npm install -g ${repo}`));
-    console.log('');
+    const result: string[] = [];
+
+    lsRemote.stdout.on('data', (data) => {
+      const line = data.toString();
+      // console.log('LINE', line);
+      result.push(line);
+    });
+
+    lsRemote.stdout.on('end', () => {
+      // console.log('STDOUT END');
+      const end = result.join('').trim();
+      // console.log('END', end);
+      resolve(end);
+    });
+
+    lsRemote.stdout.on('error', (err) => {
+      console.error('[get-latest-version]:', 'STDOUT error', err.message);
+      reject();
+    });
+
+    lsRemote.stderr.on('data', (data) => {
+      const str = data.toString();
+      console.error('[get-latest-version]:', 'STDERR', str);
+      reject();
+    });
+  });
+}
+
+function parseLatestTag(tags: string) {
+  const lines = tags.split(EOL);
+  const lastLine = lines[lines.length - 1];
+  const match = lastLine.match(/tags\/v(\d+.\d+.\d+)/);
+  if (match === null) {
+    const message = `can't extract version from line: "${lastLine}"`;
+    console.error('[get-latest-version]:', message);
+    throw new Error(message);
   }
+  return match[1];
 }