diff --git a/flake.lock b/flake.lock
index 940fea3..969d077 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1687163790,
-        "narHash": "sha256-CmG/ZdswJrWM0CMgJiVyWfO6LqaI4SKEAx9IrnYDrpI=",
+        "lastModified": 1687871164,
+        "narHash": "sha256-bBFlPthuYX322xOlpJvkjUBz0C+MOBjZdDOOJJ+G2jU=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "ac53777f52929bc82efcd2830bfc5aa60bcb4337",
+        "rev": "07c347bb50994691d7b0095f45ebd8838cf6bc38",
         "type": "github"
       },
       "original": {
@@ -65,11 +65,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1687466461,
-        "narHash": "sha256-oupXI7g7RPzlpGUfAu1xG4KBK53GrZH8/xeKgKDB4+Q=",
+        "lastModified": 1688177999,
+        "narHash": "sha256-JZ5nk90Ym79b4J593xYb0mI79QxU0efJLuCU3sXDalQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ecb441f22067ba1d6312f4932a7c64efa8d19a7b",
+        "rev": "0de86059128947b2438995450f2c2ca08cc783d5",
         "type": "github"
       },
       "original": {
@@ -111,20 +111,6 @@
         "type": "github"
       }
     },
-    "nur": {
-      "locked": {
-        "lastModified": 1686462208,
-        "narHash": "sha256-L58OUbCXtIzlBJ5QQBETWgPFgmekOwW99LhiyUp9Cto=",
-        "owner": "nix-community",
-        "repo": "NUR",
-        "rev": "416eb10d0850d5041169b70e57df91206f7a613d",
-        "type": "github"
-      },
-      "original": {
-        "id": "nur",
-        "type": "indirect"
-      }
-    },
     "pbsds-papers": {
       "inputs": {
         "katex": "katex",
@@ -133,11 +119,11 @@
         "nixpkgs-unstable": "nixpkgs-unstable"
       },
       "locked": {
-        "lastModified": 1686683023,
-        "narHash": "sha256-jRBUWc0Ct3CDA20lBD5Oybhita7bssCxa+e2iRg0FCY=",
+        "lastModified": 1688109359,
+        "narHash": "sha256-HqBfhPqskDNBYT55Rzs7GmAPqqreOcjEf6/eB5sEZ2Q=",
         "ref": "refs/heads/main",
-        "rev": "654f1b1002e17d140423bc73438637073ad767ca",
-        "revCount": 438,
+        "rev": "c2874a2d959b3bdb1d822b35f34a90380b5b484f",
+        "revCount": 441,
         "type": "git",
         "url": "ssh://git@github.com/pbsds/papers.git"
       },
@@ -162,41 +148,23 @@
         "type": "github"
       }
     },
-    "pr-remote-exec": {
-      "locked": {
-        "lastModified": 1681506994,
-        "narHash": "sha256-GQmdJqXACW7Jmf1NPyu+pO1iuyyFXxbYh4Q6JmY3iMU=",
-        "owner": "pbsds",
-        "repo": "nixpkgs",
-        "rev": "3be9b13e0e87c5f35ada163c9c2fd4cf2d9a9560",
-        "type": "github"
-      },
-      "original": {
-        "owner": "pbsds",
-        "ref": "remote-exec-init",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "home-manager": "home-manager",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
-        "nur": "nur",
         "pbsds-papers": "pbsds-papers",
         "pr-polaris14": "pr-polaris14",
-        "pr-remote-exec": "pr-remote-exec",
         "unstable": "unstable"
       }
     },
     "unstable": {
       "locked": {
-        "lastModified": 1687412861,
-        "narHash": "sha256-Z/g0wbL68C+mSGerYS2quv9FXQ1RRP082cAC0Bh4vcs=",
+        "lastModified": 1688231357,
+        "narHash": "sha256-ZOn16X5jZ6X5ror58gOJAxPfFLAQhZJ6nOUeS4tfFwo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e603dc5f061ca1d8a19b3ede6a8cf9c9fcba6cdc",
+        "rev": "645ff62e09d294a30de823cb568e9c6d68e92606",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index e00148d..cffaf8b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -29,7 +29,6 @@
     # temporary stuff i want to use
     # TODO: can i fetch a subset of files of these?
     pr-polaris14.url   = "github:pbsds/nixpkgs/polaris-14";
-    pr-remote-exec.url = "github:pbsds/nixpkgs/remote-exec-init";
   };
 
   outputs = {
@@ -37,7 +36,6 @@
     nixpkgs,
     unstable,
     nixos-hardware,
-    nur,
     home-manager,
     ...
   } @ inputs:
@@ -47,10 +45,19 @@
       "aarch64-linux"
       #"riscv64-linux"
     ];
-    forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f {
+    flake = system: nixpkgs.lib.mapAttrs (name: flake: {
+      # TODO filter non-flake inputs
+      lib = flake.lib.${system} or null;
+      nixos = flake.nixosModules or null;
+      pkgs = flake.packages.${system}
+        or flake.legacyPackages.${system}
+        or null;
+    }) inputs;
+    forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f rec {
       inherit system;
       pkgs = nixpkgs.legacyPackages.${system};
       lib  = nixpkgs.legacyPackages.${system}.lib;
+      flakes = flake system;
     });
 
     # TODO: move unstable here?
@@ -60,14 +67,13 @@
       nixpkgs.overlays = [(final: prev: { # TODO: nixpkgs.config.packageOverrides ?
         polaris     = prev.callPackage "${inputs.pr-polaris14}/pkgs/servers/polaris" { };
         polaris-web = prev.callPackage "${inputs.pr-polaris14}/pkgs/servers/polaris/web.nix" { };
-        remote-exec = prev.python3Packages.callPackage "${inputs.pr-remote-exec}/pkgs/tools/misc/remote-exec" { };
       })];
     };
     mkConfig = hostname: domain: system: modules: nixpkgs.lib.nixosSystem {
       inherit system;
       specialArgs = {
         inherit inputs;
-        packages = self.packages.${system};
+        flakes = flake system;
       };
       modules = modules ++ [ ./base.nix "${self}/hosts/${hostname}" tmpConfig ({
         home-manager.extraSpecialArgs = {
@@ -101,7 +107,6 @@
 
     packages = forAllSystems({ pkgs, ... }: {
       mpv-webm = pkgs.callPackage ./pkgs/mpv-webm.nix {}; # https://github.com/NixOS/nixpkgs/pull/238659
-      remote-exec = pkgs.python3Packages.callPackage "${inputs.pr-remote-exec}/pkgs/tools/misc/remote-exec" {};
     });
 
     nixosConfigurations = let nm = nixos-hardware.nixosModules; in {
@@ -126,25 +131,26 @@
       pbsds-gnome = mkHome "pbsds" "/home/pbsds" [ ./users/pbsds/home/gnome.nix ];
     });
 
-    devShells = forAllSystems ({ system, pkgs, ... }: let
+    devShells = forAllSystems ({ pkgs, flakes, ... }: let
       mkShell = packages: pkgs.mkShell { inherit packages; };
       nixos-rebuild-nom = pkgs.writeScriptBin "nixos-rebuild" ''
         exec ${pkgs.nixos-rebuild}/bin/nixos-rebuild "$@" |& ${pkgs.nix-output-monitor}/bin/nom
       '';
       envrc-pkgs = [
-          nixos-rebuild-nom
-          pkgs.home-manager
-          pkgs.nix-output-monitor
-          pkgs.cachix
+        nixos-rebuild-nom
+        pkgs.home-manager
+        pkgs.nix-output-monitor
+        pkgs.cachix
       ];
     in {
       envrc-local  = mkShell envrc-pkgs;
       envrc-remote = mkShell(envrc-pkgs ++ [
-          self.packages.${system}.remote-exec
-          pkgs.yq
+        flakes.unstable.pkgs.remote-exec
+        pkgs.yq
+        pkgs.rsync
       ]);
       remoteenv = mkShell [
-          nixos-rebuild-nom
+        nixos-rebuild-nom
       ];
     });
 
diff --git a/users/pbsds/home/profiles/mpv.nix b/users/pbsds/home/profiles/mpv.nix
index a229f66..55521b3 100644
--- a/users/pbsds/home/profiles/mpv.nix
+++ b/users/pbsds/home/profiles/mpv.nix
@@ -1,4 +1,4 @@
-{ pkgs, packages, ... }:
+{ pkgs, flakes, ... }:
 {
   #home.packages = with pkgs; [ mpv ];
 
@@ -11,7 +11,7 @@
     #thumbnail # TOO SLOW
     #mpris
     # TODO: thumbfast
-    packages.mpv-webm # activate with SHIFT+w
+    flakes.self.pkg.mpv-webm # activate with SHIFT+w
     # from https://github.com/mpv-player/mpv/issues/9767#issuecomment-1024831645
     ({ scriptName = "dynamic-subs.lua"; } // (pkgs.writeTextDir "share/mpv/scripts/dynamic-subs.lua" ''
       mp.add_hook('on_load', 10, function()