From 22de0fdb98c577cb0cdbceab7594ec49ef577dda Mon Sep 17 00:00:00 2001
From: Sebastian Ullrich <sebasti@nullri.ch>
Date: Thu, 26 Oct 2023 14:22:50 +0200
Subject: [PATCH] Initial commit

---
 .github/workflows/update-index.yml | 37 ++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 .github/workflows/update-index.yml

diff --git a/.github/workflows/update-index.yml b/.github/workflows/update-index.yml
new file mode 100644
index 0000000..edfdb31
--- /dev/null
+++ b/.github/workflows/update-index.yml
@@ -0,0 +1,37 @@
+name: Update index
+on:
+  workflow_dispatch
+  push:
+    branches:
+      - main
+
+# mutex
+concurrency:
+  group: update-index
+  cancel-in-progress: false
+
+jobs:
+  create-index:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create index
+        run: |
+          set -euxo pipefail
+          curl -H "Authorization: ${{ secrets.GITHUB_TOKEN }}" https://api.github.com/repos/leanprover/lean4/releases > releases
+          curl -H "Authorization: ${{ secrets.GITHUB_TOKEN }}" https://api.github.com/repos/leanprover/lean4-nightly/releases > releases-nightly
+          jq -s '{version: "1", stable: .[0] | map(select(.prerelease)), beta: .[0] | map(select(.prerelease | not)), nightly: .[1]}' releases releases-nightly > index.json
+      - name: Create artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: index
+          path: index.json
+  deploy:
+    needs: create-index
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2