1 files changed, 19 insertions, 0 deletions
diff --git a/modules/programs/aerc/assertions.nix b/modules/programs/aerc/assertions.nix
new file mode 100644
index 0000000..a2b49c1
--- /dev/null
+++ b/modules/programs/aerc/assertions.nix
@@ -0,0 +1,19 @@
+{ config, ... }:
+{
+  assertions = [
+    {
+      assertion = !config.programs.aerc.enable || config.programs.less.enable;
+      message = ''
+        programs.aerc is enabled but programs.less.enable is not.
+        aerc requires less as its pager. Please enable programs.less.
+      '';
+    }
+    {
+      assertion = !config.programs.aerc.enable || config.programs.bat.enable;
+      message = ''
+        programs.aerc is enabled but programs.bat.enable is not.
+        aerc requires bat for text/html filtering. Please enable programs.bat.
+      '';
+    }
+  ];
+}