[Nix-dev] Building upstream nixops (to include in another project) fails

[Maarten Hoogendoorn]

Hi all,

I'm trying to build a newer version of nixops than that is present in
nixpkgs. In need this newer version, since I require this patch [1].

Building nixops with the following expression:

with (import <nixpkgs>) {};
with pkgs;
callPackage (import
<nixpkgs/pkgs/tools/package-management/nixops/generic.nix>) rec {
  version = "1.04pre0_0xz1nz3";
  src = fetchFromGitHub {
    owner = "NixOs";
    repo = "nixops";

    # latest version in git
    #rev = "e6f012a95988e52cc6555c04242056d319478b24";
    #sha256 = "0xz1nz3a49vwhzkjb0b9c7c83iwfpkpvsnq5bpgm2w3qii75vhkj";

    # version with my patch
    rev = "94bf6d95134790e04a3f8fa6d51c75eda2c4ba19";
    sha256 = "1hkp634lkc0p22jrfxpq8lwlsrjgi2x9nxb6bab2fl01r4jrmp8l";
  };
}

This fails in the installing python phase:

*running install_scripts*
creating build/bdist.linux-x86_64/wheel/nixops-_version_.data
creating build/bdist.linux-x86_64/wheel/nixops-_version_.data/scripts
copying build/scripts-2.7/nixops ->
build/bdist.linux-x86_64/wheel/nixops-_version_.data/scripts
changing mode of
build/bdist.linux-x86_64/wheel/nixops-_version_.data/scripts/nixops to 755
creating build/bdist.linux-x86_64/wheel/nixops-_version_.dist-info/WHEEL
*installing*
/tmp/nix-build-nixops-1.04pre0_0xz1nz3.drv-0/nixops-94bf6d95134790e04a3f8fa6d51c75eda2c4ba19-src/dist
/tmp/nix-build-nixops-1.04pre0_0xz1nz3.drv-0/nixops-94bf6d95134790e04a3f8fa6d51c75eda2c4ba19-src
Ignoring indexes: https://pypi.python.org/simple
*nixops-_version_-py2-none-any.whl is not a valid wheel filename.*
builder for
‘/nix/store/qxvwma9gk0myic2k6fcwczcmlyqchk7c-nixops-1.04pre0_0xz1nz3.drv’
failed with exit code 1
error: build of
‘/nix/store/qxvwma9gk0myic2k6fcwczcmlyqchk7c-nixops-1.04pre0_0xz1nz3.drv’
failed

I know nothing about python packaging, does someone have a clue on how to
fix this?

- maarten

[1]
https://github.com/NixOS/nixops/commit/94bf6d95134790e04a3f8fa6d51c75eda2c4ba19
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