From 1e2c8e1dd98645bf2bced74c033cbe1971d3d5bf Mon Sep 17 00:00:00 2001
From: Gabriel Arazas <foodogsquared@foodogsquared.one>
Date: Tue, 12 Nov 2024 18:15:49 +0800
Subject: [PATCH] ci: add update Nix dependencies

---
 .github/workflows/update-deps.yml | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 .github/workflows/update-deps.yml

diff --git a/.github/workflows/update-deps.yml b/.github/workflows/update-deps.yml
new file mode 100644
index 0000000..ba9ce2b
--- /dev/null
+++ b/.github/workflows/update-deps.yml
@@ -0,0 +1,26 @@
+name: Update Nix dependencies
+on:
+  workflow_dispatch:
+  schedule:
+    # This is done on a biweekly basis.
+    - cron: '0 0 1,15 * *'
+
+jobs:
+  update-nix-deps:
+    permissions:
+      contents: write
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: DeterminateSystems/nix-installer-action@v15
+      - run: nix develop --command make update
+      - id: datetime
+        run: |
+          echo "DATETIME=$(date '+%F')" >> "$GITHUB_OUTPUT"
+      - name: Create pull request
+        uses: peter-evans/create-pull-request
+        with:
+          title: "ci: update lockfile as of ${{ steps.update-nix-deps.datetime.outputs.DATETIME }}"
+          body: ""
+          labels: npins-update