From 22aa8ba596a4fa92eee8552cf2815c54e9932331 Mon Sep 17 00:00:00 2001
From: AJ ONeal <aj@therootcompany.com>
Date: Sun, 15 Jan 2023 02:00:52 +0000
Subject: [PATCH] feat(releases): add github source releases (no assets)

---
 _common/github-source.js | 133 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 _common/github-source.js

diff --git a/_common/github-source.js b/_common/github-source.js
new file mode 100644
index 0000000..93382d1
--- /dev/null
+++ b/_common/github-source.js
@@ -0,0 +1,133 @@
+'use strict';
+
+require('dotenv').config();
+
+/**
+ * Gets the releases for 'ripgrep'. This function could be trimmed down and made
+ * for use with any github release.
+ *
+ * @param request
+ * @param {string} owner
+ * @param {string} repo
+ * @returns {PromiseLike<any> | Promise<any>}
+ */
+async function getAllReleases(
+  request,
+  owner,
+  repo,
+  oses,
+  arches,
+  baseurl = 'https://api.github.com'
+) {
+  if (!owner) {
+    return Promise.reject('missing owner for repo');
+  }
+  if (!repo) {
+    return Promise.reject('missing repo name');
+  }
+
+  let req = {
+    url: `${baseurl}/repos/${owner}/${repo}/releases`,
+    json: true
+  };
+
+  // TODO I really don't like global config, find a way to do better
+  if (process.env.GITHUB_USERNAME) {
+    req.auth = {
+      user: process.env.GITHUB_USERNAME,
+      pass: process.env.GITHUB_TOKEN
+    };
+  }
+
+  let resp = await request(req);
+  let gHubResp = resp.body;
+  let all = {
+    releases: [],
+    // TODO make this ':baseurl' + ':releasename'
+    download: ''
+  };
+
+  for (let release of gHubResp) {
+    // TODO tags aren't always semver / sensical
+    let tag = release['tag_name'];
+    let lts = /(\b|_)(lts)(\b|_)/.test(release['tag_name']);
+    let channel = 'stable';
+    if (release['prerelease']) {
+      channel = 'beta';
+    }
+    let date = release['published_at'] || '';
+    date = date.replace(/T.*/, '');
+
+    let urls = [release.tarball_url, release.zipball_url];
+    for (let url of urls) {
+      let resp = await request({
+        method: 'HEAD',
+        followRedirect: true,
+        followAllRedirects: true,
+        followOriginalHttpMethod: true,
+        url: url,
+        stream: true
+      });
+      // Workaround for bug where method changes to GET
+      resp.destroy();
+
+      // content-disposition: attachment; filename=BeyondCodeBootcamp-DuckDNS.sh-v1.0.1-0-ga2f4bde.zip
+      let name = resp.headers['content-disposition'].replace(
+        /.*filename=([^;]+)(;|$)/,
+        '$1'
+      );
+      all.releases.push({
+        name: name,
+        version: tag,
+        lts: lts,
+        channel: channel,
+        date: date,
+        os: '', // will be guessed by download filename
+        arch: '', // will be guessed by download filename
+        ext: '', // will be normalized
+        download: resp.request.uri.href
+      });
+    }
+  }
+
+  if (oses) {
+    return combinate(all, oses, arches);
+  }
+
+  return all;
+}
+
+function combinate(all, oses, arches) {
+  let releases = all.releases;
+  // ex: arches = ['amd64', 'arm64', 'armv7l', 'armv6l', 'x86'];
+  // ex: oses = ['macos', 'linux', 'bsd', 'posix'];
+
+  let combos = [];
+  for (let release of releases) {
+    for (let arch of arches) {
+      for (let os of oses) {
+        let combo = {
+          arch: arch,
+          os: os
+        };
+        let rel = Object.assign({}, release, combo);
+        combos.push(rel);
+      }
+    }
+  }
+  all.releases = combos;
+
+  return all;
+}
+
+module.exports = getAllReleases;
+
+if (module === require.main) {
+  getAllReleases(
+    require('@root/request'),
+    'BeyondCodeBootcamp',
+    'DuckDNS.sh'
+  ).then(function (all) {
+    console.info(JSON.stringify(all, null, 2));
+  });
+}