feat: release channel support

apps/version/migrations/0002_add_prerelease.sql

@@ -0,0 +1 @@
+ALTER TABLE releases ADD prerelease INTEGER;

apps/version/package.json

@@ -12,6 +12,10 @@
   },
   "dependencies": {
     "@influxdata/influxdb-client": "^1.34.0",
-    "@octokit/auth-app": "^7.2.2"
+    "@octokit/auth-app": "^7.2.2",
+    "semver": "^7.8.1"
+  },
+  "devDependencies": {
+    "@types/semver": "^7.7.1"
   }
 }

apps/version/src/github-repository.ts

@@ -1,5 +1,5 @@
+import semver from 'semver';
 import type { GitHubRelease } from './types.js';
-import { compareSemVer, parseSemVer } from './version.js';
 
 const GITHUB_RELEASES_URL = 'https://api.github.com/repos/immich-app/immich/releases';
 const MAX_PAGES = 3;
@@ -58,12 +58,12 @@ export class GitHubRepository implements IGitHubRepository {
     }
 
     allReleases.sort((a, b) => {
-      const semverA = parseSemVer(a.tag_name);
-      const semverB = parseSemVer(b.tag_name);
+      const semverA = semver.parse(a.tag_name);
+      const semverB = semver.parse(b.tag_name);
       if (!semverA || !semverB) {
         return 0;
       }
-      return compareSemVer(semverB, semverA);
+      return semver.compare(semverB, semverA);
     });
 
     return allReleases;
@@ -108,7 +108,8 @@ function parseRelease(item: unknown): GitHubRelease | null {
   if (!isValidRelease(item)) {
     return null;
   }
-  if (item.draft === true || item.prerelease === true) {
+  // Drafts are skipped, but pre-releases (rc builds) are kept to back the `rc` channel.
+  if (item.draft === true) {
     return null;
   }