nix: unify ci/shell.nix and shell.nix

ci/shell.nix

@@ -2,7 +2,7 @@
 with import (builtins.fetchTarball https://github.com/NixOS/nixpkgs/archive/467ce5a9f45aaf96110b41eb863a56866e1c2c3c.tar.gz) {};
 
 stdenv.mkDerivation {
-  name = "trezor-firmware-docker";
+  name = "trezor-firmware-env";
   buildInputs = [
     SDL2
     SDL2_image
@@ -12,6 +12,7 @@ stdenv.mkDerivation {
     gcc
     gcc-arm-embedded
     git
+    gitAndTools.git-subrepo
     gnumake
     graphviz
     libffi
@@ -23,6 +24,18 @@ stdenv.mkDerivation {
     protobuf3_6
     valgrind
     zlib
+  ] ++ stdenv.lib.optionals (stdenv.isDarwin) [
+    darwin.apple_sdk.frameworks.CoreAudio
+    darwin.apple_sdk.frameworks.AudioToolbox
+    darwin.apple_sdk.frameworks.ForceFeedback
+    darwin.apple_sdk.frameworks.CoreVideo
+    darwin.apple_sdk.frameworks.Cocoa
+    darwin.apple_sdk.frameworks.Carbon
+    darwin.apple_sdk.frameworks.IOKit
+    darwin.apple_sdk.frameworks.QuartzCore
+    darwin.apple_sdk.frameworks.Metal
+    darwin.libobjc
+    libiconv
   ];
   LD_LIBRARY_PATH = "${libffi}/lib:${libjpeg.out}/lib:${libusb1}/lib:${libressl.out}/lib";
   NIX_ENFORCE_PURITY = 0;

shell.nix

@@ -1,42 +0,0 @@
-# nixos-unstable from 2020-06-02
-with import (builtins.fetchTarball https://github.com/NixOS/nixpkgs/archive/467ce5a9f45aaf96110b41eb863a56866e1c2c3c.tar.gz) {};
-
-stdenv.mkDerivation {
-  name = "trezor-firmware-dev";
-  buildInputs = [
-    SDL2
-    SDL2_image
-    autoflake
-    check
-    clang-tools
-    gcc
-    gcc-arm-embedded
-    git
-    gitAndTools.git-subrepo
-    gnumake
-    graphviz
-    libffi
-    libjpeg
-    libressl
-    libusb1
-    pipenv
-    pkgconfig
-    protobuf3_6
-    valgrind
-    zlib
-  ] ++ stdenv.lib.optionals (stdenv.isDarwin) [
-    darwin.apple_sdk.frameworks.CoreAudio
-    darwin.apple_sdk.frameworks.AudioToolbox
-    darwin.apple_sdk.frameworks.ForceFeedback
-    darwin.apple_sdk.frameworks.CoreVideo
-    darwin.apple_sdk.frameworks.Cocoa
-    darwin.apple_sdk.frameworks.Carbon
-    darwin.apple_sdk.frameworks.IOKit
-    darwin.apple_sdk.frameworks.QuartzCore
-    darwin.apple_sdk.frameworks.Metal
-    darwin.libobjc
-    libiconv
-  ];
-  LD_LIBRARY_PATH = "${libffi}/lib:${libjpeg.out}/lib:${libusb1}/lib:${libressl.out}/lib";
-  NIX_ENFORCE_PURITY = 0;
-}

shell.nix

@@ -0,0 +1 @@
+ci/shell.nix