4 files changed, 37 insertions, 2 deletions
diff --git a/sys/nixpkgs/default.nix b/sys/nixpkgs/default.nix
index c37d5582..da3a33e6 100644
--- a/sys/nixpkgs/default.nix
+++ b/sys/nixpkgs/default.nix
@@ -2,11 +2,17 @@
   lib,
   system,
   overlays ? [],
-}: {
+  sysLib,
+}: let
+  additionalPackages = (import ./pkgs) {inherit sysLib;};
+  complete_overlays = overlays ++ additionalPackages;
+in {
   # TODO: inheriting system here is discouraged, localSystem or hostSystem should be inspected
-  inherit system overlays;
+  inherit system;
+  overlays = complete_overlays;
   config = {
     # TODO: this fails because of the root tempsize, which should be increased
+
     #contentAddressedByDefault = true;
 
     allowUnfreePredicate = pkg:
diff --git a/sys/nixpkgs/pkgs/default.nix b/sys/nixpkgs/pkgs/default.nix
new file mode 100644
index 00000000..b057068c
--- /dev/null
+++ b/sys/nixpkgs/pkgs/default.nix
@@ -0,0 +1,5 @@
+{sysLib}: let
+  snap-sync-forked = (import ./snap-sync-forked) {inherit sysLib;};
+  overlays = [] ++ snap-sync-forked;
+in
+  overlays
diff --git a/sys/nixpkgs/pkgs/snap-sync-forked/default.nix b/sys/nixpkgs/pkgs/snap-sync-forked/default.nix
new file mode 100644
index 00000000..55e2bd27
--- /dev/null
+++ b/sys/nixpkgs/pkgs/snap-sync-forked/default.nix
@@ -0,0 +1,24 @@
+{sysLib}: [
+  (self: super: {
+    snap-sync-forked = sysLib.writeShellScriptWithLibrary {
+      name = "snap-sync-forked";
+      src = ./snap-sync-forked;
+      dependencies = with self; [
+        bash
+        btrfs-progs
+        coreutils
+        gawk
+        gnugrep
+        snapper
+        util-linux
+
+        # optional:
+        libnotify
+        openssh
+        pv
+        rsync
+        sudo
+      ];
+    };
+  })
+]
diff --git a/sys/svcs/backup/snap-sync-forked b/sys/nixpkgs/pkgs/snap-sync-forked/snap-sync-forked
index a66f31ae..a66f31ae 100755
--- a/sys/svcs/backup/snap-sync-forked
+++ b/sys/nixpkgs/pkgs/snap-sync-forked/snap-sync-forked