From add08fcab07cea0db9b5403861d5ae81ee09f1ee Mon Sep 17 00:00:00 2001
From: John Soo <jsoo1@asu.edu>
Date: Fri, 17 Dec 2021 13:19:56 -0700
Subject: [PATCH] flakes: Do not verify channels when using flakes.

---
 modules/system/checks.nix          | 8 +++++++-
 modules/system/flake-overrides.nix | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/modules/system/checks.nix b/modules/system/checks.nix
index 4ce6991..bb1ed11 100644
--- a/modules/system/checks.nix
+++ b/modules/system/checks.nix
@@ -205,6 +205,12 @@ in
       description = "Whether to run the NIX_PATH validation checks.";
     };
 
+    system.checks.verifyNixChannels = mkOption {
+      type = types.bool;
+      default = true;
+      description = "Whether to run the nix-channels validation checks.";
+    };
+
     system.checks.text = mkOption {
       internal = true;
       type = types.lines;
@@ -222,7 +228,7 @@ in
       (mkIf (!config.nix.useDaemon) singleUser)
       nixStore
       (mkIf (config.nix.gc.automatic && config.nix.gc.user == null) nixGarbageCollector)
-      nixChannels
+      (mkIf cfg.verifyNixChannels nixChannels)
       nixInstaller
       (mkIf cfg.verifyNixPath nixPath)
     ];
diff --git a/modules/system/flake-overrides.nix b/modules/system/flake-overrides.nix
index 67a7f79..df3eb16 100644
--- a/modules/system/flake-overrides.nix
+++ b/modules/system/flake-overrides.nix
@@ -9,6 +9,7 @@ in
 {
   config = {
     system.checks.verifyNixPath = mkDefault false;
+    system.checks.verifyNixChannels = mkDefault false;
 
     system.darwinVersionSuffix = ".${darwin.shortRev or "dirty"}";
     system.darwinRevision = mkIf (darwin ? rev) darwin.rev;