snapcraft: 8.5.1 -> 8.6.1

diff --git a/snapcraft/utils.py b/snapcraft/utils.py

index 999a64ec..4f38b4cd 100644

--- a/snapcraft/utils.py

+++ b/snapcraft/utils.py

@@ -94,7 +94,7 @@ def get_os_platform(

     release = platform.release()

     machine = platform.machine()

-    if system == "Linux":

+    if system == "Linux" and "NixOS" not in platform.version():

         try:

             with filepath.open("rt", encoding="utf-8") as release_file:

                 lines = release_file.readlines()

python3Packages.buildPythonApplication rec {

  pname = "snapcraft";

  version = "8.5.1";

  version = "8.6.1";

  pyproject = true;

    owner = "canonical";

    repo = "snapcraft";

    tag = version;

    hash = "sha256-7kIVWbVj5qse3JIdlCvRtVUfSa/rSjn4e8HJdVY3sOA=";

    hash = "sha256-SbxsgvDptkUl8gHAIrJvnzIPOh0/R81n8cgJWBH7BXQ=";

  };

  patches = [

    # path for LXD must be adjusted so that it's at the correct location for LXD

    # on NixOS. This patch will likely never be accepted upstream.

    ./lxd-socket-path.patch

    # In certain places, Snapcraft expects an /etc/os-release file to determine

    # host info which doesn't exist in our test environment. This is a

    # relatively naive patch which helps the test suite pass - without it *many*

    # of the tests fail. This patch will likely never be accepted upstream.

    ./os-platform.patch

    # Snapcraft will try to inject itself as a snap *from the host system* into

    # the build system. This patch short-circuits that logic and ensures that

    # Snapcraft is installed on the build system from the snap store - because

  build-system = with python3Packages; [ setuptools ];

  pythonRelaxDeps = [

    "craft-parts"

    "docutils"

    "jsonschema"

    "pygit2"