devenv: fix locale warnings, install shell completions, and more (#367567)

{

  lib,

  stdenv,

  fetchFromGitHub,

  makeWrapper,

  makeBinaryWrapper,

  installShellFiles,

  rustPlatform,

  testers,

  cachix,

  darwin,

  sqlx-cli,

  nixVersions,

  openssl,

  pkg-config,

  glibcLocalesUtf8,

  devenv, # required to run version test

}:

  '';

  nativeBuildInputs = [

    makeWrapper

    installShellFiles

    makeBinaryWrapper

    pkg-config

    sqlx-cli

  ];

  buildInputs =

    [ openssl ]

    ++ lib.optionals stdenv.hostPlatform.isDarwin [

      darwin.apple_sdk.frameworks.SystemConfiguration

    ];

  buildInputs = [ openssl ];

  postInstall =

    let

      setDefaultLocaleArchive = lib.optionalString (glibcLocalesUtf8 != null) ''

        --set-default LOCALE_ARCHIVE ${glibcLocalesUtf8}/lib/locale/locale-archive

      '';

    in

    ''

      wrapProgram $out/bin/devenv \

        --prefix PATH ":" "$out/bin:${cachix}/bin" \

        --set DEVENV_NIX ${devenv_nix} \

        ${setDefaultLocaleArchive}

      # Generate manpages

      cargo xtask generate-manpages --out-dir man

      installManPage man/*

      # Generate shell completions

      compdir=./completions

      for shell in bash fish zsh; do

        cargo xtask generate-shell-completion $shell --out-dir $compdir

      done

  postInstall = ''

    wrapProgram $out/bin/devenv --set DEVENV_NIX ${devenv_nix} --prefix PATH ":" "$out/bin:${cachix}/bin"

      installShellCompletion --cmd devenv \

        --bash $compdir/devenv.bash \

        --fish $compdir/devenv.fish \

        --zsh $compdir/_devenv

    '';

  passthru.tests = {