feature: add gpg (GnuPG)

[webi-installers/.git] / gpg / releases.js

diff --git a/gpg/releases.js b/gpg/releases.js
new file mode 100644 (file)
index 0000000..7ab8f5f
--- /dev/null
+++ b/gpg/releases.js
@@ -0,0 +1,91 @@
+'use strict';
+
+let ltsRe = /GnuPG-(2\.2\.[\d\.]+)/;
+
+function createRssMatcher() {
+  return new RegExp(
+    '<link>(https://sourceforge\\.net/projects/gpgosx/files/GnuPG-([\\d\\.]+)\\.dmg/download)</link>',
+    'g'
+  );
+}
+
+function createUrlMatcher() {
+  return new RegExp(
+    'https://sourceforge\\.net/projects/gpgosx/files/(GnuPG-([\\d\\.]+)\\.dmg)/download',
+    ''
+  );
+}
+
+async function getRawReleases(request) {
+  let matcher = createRssMatcher();
+
+  let resp = await request({
+    url: 'https://sourceforge.net/projects/gpgosx/rss?path=/'
+  });
+  let links = [];
+  for (;;) {
+    let m = matcher.exec(resp.body);
+    if (!m) {
+      break;
+    }
+    links.push(m[1]);
+  }
+  return links;
+}
+
+function transformReleases(links) {
+  //console.log(JSON.stringify(links, null, 2));
+  //console.log(links.length);
+
+  let matcher = createUrlMatcher();
+
+  let releases = links
+    .map(function (link) {
+      // strip 'go' prefix, standardize version
+      let isLts = ltsRe.test(link);
+      let parts = link.match(matcher);
+      if (!parts || !parts[2]) {
+        return null;
+      }
+      let segs = parts[2].split('.');
+      let version = segs.slice(0, 3).join('.');
+      if (segs.length > 3) {
+        version += '+' + segs.slice(3);
+      }
+
+      return {
+        name: parts[1],
+        version: version,
+        // all go versions >= 1.0.0 are effectively LTS
+        lts: isLts,
+        channel: 'stable',
+        // TODO <pubDate>Sat, 19 Nov 2016 16:17:33 UT</pubDate>
+        date: '1970-01-01', // the world may never know
+        os: 'macos',
+        arch: 'amd64',
+        ext: 'dmg',
+        download: link
+      };
+    })
+    .filter(Boolean);
+
+  return {
+    releases: releases
+  };
+}
+
+async function getAllReleases(request) {
+  let releases = await getRawReleases(request);
+  let all = transformReleases(releases);
+  return all;
+}
+
+module.exports = getAllReleases;
+
+if (module === require.main) {
+  getAllReleases(require('@root/request')).then(function (all) {
+    all = require('../_webi/normalize.js')(all);
+    all.releases = all.releases.slice(0, 10000);
+    console.info(JSON.stringify(all, null, 2));
+  });
+}