treewide: change $IN_NIX_SHELL handling

... to be compatible with https://github.com/NixOS/nix/pull/933 while not breaking compatibility with current nix.
2016-08-11 16:35:06 +02:00
parent 18c0be1b3a
commit d4de02c46e
2 changed files with 2 additions and 2 deletions
--- a/pkgs/development/tools/pypi2nix/default.nix
+++ b/pkgs/development/tools/pypi2nix/default.nix
@@ -36,7 +36,7 @@ in stdenv.mkDerivation rec {
    # mv effect-*/effect                 $out/pkgs/effect
    mv requests-*/requests              $out/pkgs/

-    if [ "$IN_NIX_SHELL" != "1" ]; then
+    if [ -z "$IN_NIX_SHELL" ]; then
      if [ -e git-export ]; then
        mv git-export/src/pypi2nix      $out/pkgs/pypi2nix
      else