From 5ed64f92f39fd2a25c701af6fbdde6886fcebcba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lea=20H=C3=A4usel?= <lea.haeusel@tum.de>
Date: Wed, 28 Jan 2026 11:35:59 +0100
Subject: [PATCH] ci: add action that updates dependencies every 6 months

---
 .github/renovate.json                     | 19 +++++++++++++++++++
 .github/workflows/update_dependencies.yml | 21 +++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 .github/renovate.json
 create mode 100644 .github/workflows/update_dependencies.yml

diff --git a/.github/renovate.json b/.github/renovate.json
new file mode 100644
index 00000000..c35eca68
--- /dev/null
+++ b/.github/renovate.json
@@ -0,0 +1,19 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:recommended"],
+  "packageRules": [
+    {
+      "matchManagers": ["pip_requirements", "conda"],
+      "groupName": "Python dependencies",
+      "separateMajorMinor": false
+    },
+    {
+      "matchManagers": ["github-actions"],
+      "groupName": "GitHub actions",
+      "separateMajorMinor": false
+    }
+  ],
+  "dependencyDashboard": true
+  // "onboarding": false, // TODO: reactivate later
+  // "requireConfig": "optional" // TODO: reactivate later
+}
diff --git a/.github/workflows/update_dependencies.yml b/.github/workflows/update_dependencies.yml
new file mode 100644
index 00000000..d2d760fe
--- /dev/null
+++ b/.github/workflows/update_dependencies.yml
@@ -0,0 +1,21 @@
+name: update_dependencies
+on:
+    schedule:
+        - cron: "0 0 1 2 *" # 1st of February at 00:00 UTC
+        - cron: "0 0 1 8 *" # 1st of August at 00:00 UTC
+    push: # TODO: remove later, only for testing
+jobs:
+    run_renovate:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v6.0.2
+            - name: Run self-hosted Renovate
+              uses: renovatebot/github-action@v44.2.5
+              with:
+                  #   token: ${{ secrets.RENOVATE_TOKEN }}
+                  token: ${{ secrets.RENOVATE_TOKEN_MY_QUEENS_FORK }}
+              env:
+                  #   RENOVATE_REPOSITORIES: "queens-py/queens"
+                  RENOVATE_REPOSITORIES: "leahaeusel/queens"
+                  RENOVATE_BRANCH_PREFIX: "renovate-action/"