Update to the most recent nixpkgs-unstable commit

scripts/Common/Software/docker/services/drone/main.fish

@@ -19,7 +19,7 @@ begin
         echo "{}" | sudo tee "$config" >/dev/null
         echo "{}" | sudo tee "$overrides" >/dev/null
 
-        cp "$dir"/{ci.Dockerfile,docker-compose.core.yml,.dockerignore} "$root"
+        sudo cp "$dir"/{ci.Dockerfile,docker-compose.core.yml,.dockerignore} "$root"
         echo "DRONE_JSONNET_ENABLED=true" | sudo tee "$root/server.common.env" >/dev/null
         echo "DRONE_RUNNER_CAPACITY=2" | sudo tee "$root/runner.common.env" >/dev/null
 

scripts/lib/config.fish

@@ -1,4 +1,4 @@
 set projectName port-valhalla
-set nixPkgsVersion nixos-24.11
+set nixPkgsVersion 566e53c2ad750c84f6d31f9ccb9d00f823165550
 set valhallaCache ~/".cache/$projectName"
 set nixPkgsCache "$valhallaCache/nixpkgs/$nixPkgsVersion"

scripts/lib/nix.fish

@@ -11,8 +11,12 @@ begin
         source "$config"
 
         if ! __isNixModule "$nixPkgsCache"
-            mkdir -p "$nixPkgsCache"
-            and git clone https://github.com/NixOS/nixpkgs.git --depth=1 -b "$nixPkgsVersion" "$nixPkgsCache"
+            rm -rf "$nixPkgsCache"
+            and mkdir -p "$nixPkgsCache"
+            and git -C "$nixPkgsCache" init
+            and git -C "$nixPkgsCache" remote add origin https://github.com/NixOS/nixpkgs.git
+            and git -C "$nixPkgsCache" fetch origin "$nixPkgsVersion"
+            and git -C "$nixPkgsCache" reset --hard FETCH_HEAD
             and rm -rf "$nixPkgsCache/.git"
         end
     end