Initial auto-updater

.github/workflows/update.yml

@@ -0,0 +1,35 @@
+name: Update output.json
+
+on:
+  schedule:
+    - cron: '31 5 * * *' # Once per day, random time
+  workflow_dispatch:
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: './scripts/update'
+    steps:
+      - name: Checkout self
+        uses: actions/checkout@v2
+
+      - name: Checkout vcpkg
+        uses: actions/checkout@v2
+        with:
+          repository: 'microsoft/vcpkg'
+          path: 'vcpkg'
+
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
+
+      - run: npm ci
+
+      - run: npm run start $GITHUB_WORKSPACE/vcpkg
+
+      - uses: actions/upload-artifact@v2
+        with:
+          name: 'output.json'
+          path: './output.json'

.vscode/launch.json

@@ -1,15 +1,21 @@
 {
-    // Use IntelliSense to learn about possible attributes.
-    // Hover to view descriptions of existing attributes.
-    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
         {
             "type": "node",
             "request": "launch",
-            "name": "Launch Program",
-            "skipFiles": ["<node_internals>/**"],
-            "program": "${file}"
+            "name": "Launch Updater",
+            "runtimeArgs": [
+                "--loader",
+                "ts-node/esm"
+            ],
+            "args": [
+                "${workspaceFolder}/scripts/update/index.ts",
+                "${workspaceFolder}/vcpkg"
+            ],
+            "env": { 
+                "TS_NODE_PROJECT": "${workspaceFolder}/scripts/update/tsconfig.json"
+            }
         }
     ]
 }

scripts/update/index.ts

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+import * as path from 'path';
+import fs from 'fs-extra';
+import { exit } from 'process';
+import { addVersions } from './tasks/add-versions.js';
+import { readPackages } from './tasks/read-packages.js';
+
+if (!process.argv[2]) {
+  exit(-1);
+}
+
+const sourcePath = process.argv[2];
+const portsPath = path.join(sourcePath, 'ports');
+const versionsPath = path.join(sourcePath, 'versions');
+
+const manifests = await readPackages(portsPath);
+const manifests2 = await addVersions(versionsPath, manifests);
+
+fs.writeJson('output.json', manifests2, { spaces: 2 });