1 files changed, 41 insertions, 0 deletions
diff --git a/openwrt/etc.nix b/openwrt/etc.nix
new file mode 100644
index 0000000..8231125
--- /dev/null
+++ b/openwrt/etc.nix
@@ -0,0 +1,41 @@
+{ config, lib, ... }:
+
+let
+  cfg = config.etc;
+in
+
+{
+  options.etc = lib.mkOption {
+    type = lib.types.attrsOf (lib.types.submodule ({ name, ... }: {
+      options = {
+        enable = lib.mkEnableOption "this `/etc` file" // {
+          default = true;
+        };
+
+        text = lib.mkOption {
+          type = lib.types.lines;
+          description = ''
+            Contents of the file.
+          '';
+        };
+      };
+    }));
+    default = {};
+  };
+
+  config = lib.mkIf (cfg != {}) {
+    deploySteps.etc = {
+      priority = 8000;
+      apply =
+        lib.concatStrings
+          (lib.mapAttrsToList
+            (name: file: lib.optionalString (file.enable) ''
+              ${lib.optionalString (dirOf name != ".") ''
+                mkdir -p ${lib.escapeShellArg (dirOf name)}
+              ''}
+              echo ${lib.escapeShellArg file.text} >${lib.escapeShellArg "/etc/${name}"}
+            '')
+            cfg);
+    };
+  };
+}