From 2ce4520cd64ba4095f35193e0604eaa4e2ebfd6e Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Thu, 23 Jan 2025 21:52:50 -0500
Subject: [PATCH] Make zrepl a conditional install.

---
 nix/configuration/hosts/neelix/default.nix |  1 +
 nix/configuration/hosts/odo/default.nix    |  1 +
 nix/configuration/roles/zrepl/default.nix  | 75 +++++++++++++---------
 3 files changed, 47 insertions(+), 30 deletions(-)

diff --git a/nix/configuration/hosts/neelix/default.nix b/nix/configuration/hosts/neelix/default.nix
index 498b6d4..9fdba20 100644
--- a/nix/configuration/hosts/neelix/default.nix
+++ b/nix/configuration/hosts/neelix/default.nix
@@ -30,4 +30,5 @@
   me.kodi.enable = true;
   me.lvfs.enable = true;
   me.sound.enable = true;
+  me.zrepl.enable = true;
 }
diff --git a/nix/configuration/hosts/odo/default.nix b/nix/configuration/hosts/odo/default.nix
index 7708d4e..17e9537 100644
--- a/nix/configuration/hosts/odo/default.nix
+++ b/nix/configuration/hosts/odo/default.nix
@@ -57,4 +57,5 @@
   me.vscode.enable = true;
   me.wasm.enable = true;
   me.waybar.enable = true;
+  me.zrepl.enable = true;
 }
diff --git a/nix/configuration/roles/zrepl/default.nix b/nix/configuration/roles/zrepl/default.nix
index 3801762..9ed4ff9 100644
--- a/nix/configuration/roles/zrepl/default.nix
+++ b/nix/configuration/roles/zrepl/default.nix
@@ -8,38 +8,53 @@
 {
   imports = [ ];
 
-  services.zrepl = {
-    enable = true;
-    settings = {
-      jobs = [
-        {
-          name = "snapjob";
-          type = "snap";
-          filesystems = {
-            "zroot/linux/nix/persist<" = true;
-            "zroot/bridge<" = true;
-          };
-          snapshotting = {
-            type = "periodic";
-            interval = "15m";
-            prefix = "zrepl_";
-          };
-          pruning = {
-            keep = [
+  options.me = {
+    zrepl.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install zrepl.";
+    };
+  };
+
+  config = lib.mkIf config.me.zrepl.enable (
+    lib.mkMerge [
+      {
+        services.zrepl = {
+          enable = true;
+          settings = {
+            jobs = [
               {
-                type = "grid";
-                grid = "1x1h(keep=all) | 24x1h | 14x1d";
-                regex = "^zrepl_.*";
-              }
-              {
-                type = "regex";
-                negate = true;
-                regex = "^zrepl_.*";
+                name = "snapjob";
+                type = "snap";
+                filesystems = {
+                  "zroot/linux/nix/persist<" = true;
+                  "zroot/bridge<" = true;
+                };
+                snapshotting = {
+                  type = "periodic";
+                  interval = "15m";
+                  prefix = "zrepl_";
+                };
+                pruning = {
+                  keep = [
+                    {
+                      type = "grid";
+                      grid = "1x1h(keep=all) | 24x1h | 14x1d";
+                      regex = "^zrepl_.*";
+                    }
+                    {
+                      type = "regex";
+                      negate = true;
+                      regex = "^zrepl_.*";
+                    }
+                  ];
+                };
               }
             ];
           };
-        }
-      ];
-    };
-  };
+        };
+      }
+    ]
+  );
 }