From 97a78ba6b20cbd60c63b69fcaa4f60e12e46bedb Mon Sep 17 00:00:00 2001
From: SomeoneSerge <else@someonex.net>
Date: Thu, 8 Aug 2024 21:16:24 +0000
Subject: flake.nix: add .#checks

---
 .github/workflows/build.yml | 14 ++++++++++++++
 flake.nix                   | 19 +++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4285978..936d055 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,3 +22,17 @@ jobs:
     - uses: DeterminateSystems/magic-nix-cache-action@v7
     - name: Build some-pkgs
       run: nix run github:Mic92/nix-fast-build -- --skip-cached --no-nom --flake ".#packages"
+  nix-flake-check:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-latest ]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+    - name: Install Nix
+      uses: DeterminateSystems/nix-installer-action@v13
+    - uses: DeterminateSystems/magic-nix-cache-action@v7
+    - name: Build the checks
+      run: nix run github:Mic92/nix-fast-build -- --skip-cached --no-nom --flake ".#checks.$(nix eval --raw --impure --expr builtins.currentSystem)"
diff --git a/flake.nix b/flake.nix
index 8421959..e86dc6b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -71,5 +71,24 @@
           };
         }
       );
+      checks = forAllSystems (
+        { system, pkgs, ... }:
+        let
+          inherit (pkgs.lib)
+            filterAttrs
+            isDerivation
+            mapAttrs'
+            nameValuePair
+            pipe
+            ;
+        in
+        pipe self.legacyPackages.${system}.nixosTests [
+          (filterAttrs (_: p: isDerivation p))
+          (mapAttrs' (name: nameValuePair "nixosTests-${name}"))
+        ]
+        // {
+          inherit (self.packages.${system}) evanix evanix-py;
+        }
+      );
     };
 }
-- 
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