prefer system's openssh

fixes #62

Author: Mic92

src/default.nix

@@ -8,10 +8,11 @@
 , gnugrep
 , findutils
 , gnused
+, lib
+, mkShellNoCC
 }:
 let
   runtimeInputs = [
-    openssh
     gitMinimal # for git flakes
     rsync
     nix
@@ -24,9 +25,16 @@ let
 in
 (writeShellApplication {
   name = "nixos-anywhere";
-  text = builtins.readFile ./nixos-anywhere.sh;
+  # We prefer the system's openssh over our own, since it might come with features not present in ours:
+  # https://github.com/numtide/nixos-anywhere/issues/62
+  text = ''
+    export PATH=$PATH:${lib.getBin openssh}
+    ${builtins.readFile ./nixos-anywhere.sh}
+  '';
   inherit runtimeInputs;
 }) // {
-  # also expose this attribute to other derivations
-  inherit runtimeInputs;
+  # Dependencies for our devshell
+  devShell = mkShellNoCC {
+    packages = runtimeInputs ++ [ openssh ];
+  };
 }

src/flake-module.nix

@@ -4,8 +4,6 @@
       nixos-anywhere = pkgs.callPackage ./. { };
       default = config.packages.nixos-anywhere;
     };
-    devShells.default = pkgs.mkShellNoCC {
-      packages = config.packages.nixos-anywhere.runtimeInputs;
-    };
+    devShells.default = config.packages.nixos-anywhere.devShell;
   };
 }