remove nixpkgs-unstable

the current version of woodpecker-server in stable now has the features this was original used for, not other usages of unstable are in tree left so removing it.

config/hosts/woodpecker/woodpecker-agent/woodpecker-agent.nix

@@ -3,13 +3,12 @@
 # - https://woodpecker-ci.org/docs/administration/agent-config
 # - https://woodpecker-ci.org/docs/administration/backends/docker
 
-{ config, pkgs, pkgs-unstable, ... }:
+{ config, pkgs, ... }:
 
 {
   services.woodpecker-agents.agents."docker" = {
     enable = true;
-    # Since we use woodpecker-server from unstable, use the agent from unstable as well.
+    package = pkgs.woodpecker-agent;
-    package = pkgs-unstable.woodpecker-agent;
     extraGroups = [ "docker" ];
     environment = {
       WOODPECKER_SERVER = "localhost${config.services.woodpecker-server.environment.WOODPECKER_GRPC_ADDR}";

config/hosts/woodpecker/woodpecker-server/woodpecker-server.nix

@@ -5,14 +5,12 @@
 # - https://woodpecker-ci.org/docs/administration/forges/forgejo
 # - https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-CONNSTRING
 
-{ config, pkgs, pkgs-unstable, ... }:
+{ config, pkgs, ... }:
 
 {
   services.woodpecker-server = {
     enable = true;
-    # Use package from unstable to get at least version 2.6.0 for native Forgejo support.
+    package = pkgs.woodpecker-server;
-    # https://github.com/woodpecker-ci/woodpecker/releases/tag/v2.6.0
-    package = pkgs-unstable.woodpecker-server;
     environment = {
       WOODPECKER_HOST = "https://woodpecker.hamburg.ccc.de";
       WOODPECKER_SERVER_ADDR = ":8001";

flake.lock

@@ -68,27 +68,10 @@
         "type": "github"
       }
     },
-    "nixpkgs-unstable": {
-      "locked": {
-        "lastModified": 1730449684,
-        "narHash": "sha256-Hlv3rTPxnO+DpKRXw9yjzERLdk05h7+fEbZxWM2taCw=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "ab464abbeb3a2833288c6e907488c49c2e599f88",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable-small",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "nixos-generators": "nixos-generators",
         "nixpkgs": "nixpkgs",
-        "nixpkgs-unstable": "nixpkgs-unstable",
         "sops-nix": "sops-nix"
       }
     },

flake.nix

@@ -6,7 +6,6 @@
     # https://nixos.org/manual/nixos/stable/#sec-upgrading
     # https://github.com/NixOS/nixpkgs
     nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05-small";
-    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable-small";
 
     # Add nixos-generators as an input.
     # See here: https://github.com/nix-community/nixos-generators#using-in-a-flake
@@ -23,10 +22,9 @@
     };
   };
 
-  outputs = { self, nixpkgs, nixpkgs-unstable, nixos-generators, sops-nix, ... }:
+  outputs = { self, nixpkgs, nixos-generators, sops-nix, ... }:
     let
       system = "x86_64-linux";
-      pkgs-unstable = nixpkgs-unstable.legacyPackages."x86_64-linux";
     in
     {
       overlays = {
@@ -204,9 +202,6 @@
             self.nixosModules.prometheus-exporter
             ./config/hosts/woodpecker
           ];
-          specialArgs = {
-            inherit pkgs-unstable;
-          };
         };
 
         status = nixpkgs.lib.nixosSystem {