home/gpg: add key

nix/homeModules/common/gpg.nix

@@ -5,19 +5,23 @@
   };
 
   programs.gpg.publicKeys = let
-    github = {
-      user,
+    fromUrl = {
+      url,
       hash,
       trust ? 5,
     }: {
-      source = pkgs.fetchurl {
-        url = "https://github.com/${user}.gpg";
-        inherit hash;
-      };
+      source = pkgs.fetchurl {inherit url hash;};
       inherit trust;
     };
+
+    github = {user, ...} @ args:
+      fromUrl (
+        builtins.removeAttrs args ["user"]
+        // {url = "https://github.com/${user}.gpg";}
+      );
   in
     map github [
+      # Do not depend on my own forgejo instance / self-host server to avoid a single point of failure
       {
         user = "leana8959";
         hash = "sha256-Y+v/8bLkyUIe4vjToChQP3ChPxRV/DqI72OTsx6F0oo=";
@@ -34,5 +38,11 @@
         user = "confusedkernel";
         hash = "sha256-9DdtDAcv+2Z0jJMSLAXbp5ne8uHYj5V/lNGi0kKSdv4=";
       }
+    ]
+    ++ map fromUrl [
+      {
+        url = "https://eragon.re/pubkey.asc";
+        hash = "sha256-xvNB+BxqxHqdVBnMhzX3eenN3KmjmdATFPHkPUGweAA=";
+      }
     ];
 }