From 23375d10b17a8fd773714fc0b3a4e00cc02858f6 Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Fri, 17 Apr 2026 18:53:08 +0000
Subject: [PATCH] ci: free disk space before Nix build to prevent ENOSPC on
 NVIDIA/CUDA packages

GitHub Actions free runners have ~14 GB total; removing unused toolchains
(dotnet, android, CodeQL, boost) reclaims ~8-10 GB needed for the full
NixOS system build.

https://claude.ai/code/session_01JwjdjwvgMGW4TcpYi4MZ6n
---
 .github/workflows/check.yml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 8c73b2b..5ffc268 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -14,6 +14,14 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Free disk space
+        run: |
+          sudo rm -rf /usr/share/dotnet /usr/share/swift /usr/local/lib/android \
+            /opt/ghc /opt/hostedtoolcache/CodeQL /usr/local/share/boost \
+            "$AGENT_TOOLSDIRECTORY"
+          sudo docker image prune --all --force || true
+          df -h
+
       - name: Install Nix
         uses: cachix/install-nix-action@v27
         with: