proot-termux: simplify module

modules/environment/login/default.nix

@@ -82,13 +82,7 @@ in
     environment.files = {
       inherit login loginInner;
 
-      prootStatic =
-        let
-          nixpkgs = import ../../../pkgs/cross-compiling/cross-pkgs.nix { };
-          tallocStatic = nixpkgs.callPackage ../../../pkgs/cross-compiling/talloc-static.nix { };
-          prootTermux = nixpkgs.callPackage ../../../pkgs/cross-compiling/proot-termux.nix { inherit tallocStatic; };
-        in
-          prootTermux;
+      prootStatic = import ../../../pkgs/proot-termux { };
     };
 
   };

modules/nixpkgs/config.nix

@@ -14,9 +14,15 @@ with lib;
 
   config = {
 
-    _module.args.pkgs = import <nixpkgs> (
-      filterAttrs (n: v: v != null) config.nixpkgs
-    );
+    _module.args.pkgs =
+      let
+        result = builtins.tryEval <nixpkgs>;
+      in
+      mkIf result.success (
+        import result.value (
+          filterAttrs (n: v: v != null) config.nixpkgs
+        )
+      );
 
     nixpkgs.overlays = import ../../overlays;
 

pkgs/cross-compiling/proot-termux.nix

@@ -1,13 +0,0 @@
-# Copyright (c) 2019-2022, see AUTHORS. Licensed under MIT License, see LICENSE.
-
-{ callPackage, tallocStatic }:
-
-let
-  pkgsCross = callPackage ../../lib/nixpkgs-cross.nix { };
-  stdenv = pkgsCross.stdenvAdapters.makeStaticBinaries pkgsCross.stdenv;
-
-in
-  pkgsCross.callPackage ../proot-termux {
-    talloc = tallocStatic;
-    inherit stdenv;
-  }

pkgs/default.nix

@@ -43,8 +43,7 @@ let
     inherit nixDirectory packageInfo;
     bootstrap = callPackage ./bootstrap.nix { };
     bootstrapZip = callPackage ./bootstrap-zip.nix { };
-    prootTermux = callPackage ./cross-compiling/proot-termux.nix { };
-    tallocStatic = callPackage ./cross-compiling/talloc-static.nix { };
+    prootTermux = callPackage ./proot-termux { pkgs = nixpkgs; };
   };
 in
 

pkgs/proot-termux/default.nix

@@ -1,13 +1,31 @@
 # Copyright (c) 2019-2022, see AUTHORS. Licensed under MIT License, see LICENSE.
 
-{ stdenv, fetchFromGitHub, talloc,
-  static ? true, outputBinaryName ? "proot-static" }:
+{ pkgs ? null, cross ? true, static ? true }:
+
+let
+  pkgsCross = import ../../lib/nixpkgs-cross.nix { };
+
+  pkgs' =
+    if pkgs == null
+    then pkgsCross
+    else pkgs;
+
+  stdenv =
+    if cross
+    then pkgsCross.stdenvAdapters.makeStaticBinaries pkgsCross.stdenv
+    else pkgs'.stdenv;
+
+  talloc =
+    if static
+    then pkgs'.callPackage ./talloc-static.nix { inherit pkgsCross; }
+    else pkgs'.talloc;
+in
 
 stdenv.mkDerivation {
   pname = "proot-termux";
   version = "unstable-2022-05-03";
 
-  src = fetchFromGitHub {
+  src = pkgsCross.fetchFromGitHub {
     repo = "proot";
     owner = "termux";
     rev = "5c462a6ecfddd629b1439f38fbb61216d6fcb359";
@@ -30,8 +48,8 @@ stdenv.mkDerivation {
   patches = [ ./detranslate-empty.patch ];
   makeFlags = [ "-Csrc" "V=1" ];
   CFLAGS = [ "-O3" "-I../fake-ashmem" ] ++
-           (if static then [ "-static" ] else []);
-  LDFLAGS = if static then [ "-static" ] else [];
+    (if static then [ "-static" ] else [ ]);
+  LDFLAGS = if static then [ "-static" ] else [ ];
   preInstall = "${stdenv.cc.targetPrefix}strip src/proot";
-  installPhase = "install -D -m 0755 src/proot $out/bin/${outputBinaryName}";
+  installPhase = "install -D -m 0755 src/proot $out/bin/proot${if static then "-static" else ""}";
 }

pkgs/proot-termux/talloc-static.nix

@@ -1,16 +1,12 @@
 # Copyright (c) 2019-2022, see AUTHORS. Licensed under MIT License, see LICENSE.
 
-{ callPackage
-, fetchurl
+{ fetchurl
 , python3
 , pkg-config
 , wafHook
+, pkgsCross
 }:
 
-let
-  pkgsCross = callPackage ../../lib/nixpkgs-cross.nix { };
-in
-
 pkgsCross.stdenv.mkDerivation rec {
   pname = "talloc";
   version = "2.3.4";
@@ -21,7 +17,7 @@ pkgsCross.stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ pkg-config python3 wafHook ];
-  buildInputs = [];
+  buildInputs = [ ];
 
   wafPath = "./buildtools/bin/waf";
   wafConfigureFlags = [

tests/proot-test.nix

@@ -1,9 +1,9 @@
 # Copyright (c) 2019-2022, see AUTHORS. Licensed under MIT License, see LICENSE.
 
-{ pkgs ? (import ../pkgs/lib/load-nixpkgs.nix {}) }:
+{ pkgs ? (import ../lib/nixpkgs-pinned.nix { }) }:
 
-pkgs.callPackage ../pkgs/proot-termux {
-  stdenv = pkgs.stdenv;
+import ../pkgs/proot-termux {
+  inherit pkgs;
+  cross = false;
   static = false;
-  outputBinaryName = "proot";
 }