找不到模块“XMonad”

Question

我有一个新的NixOS安装，我想使用我的自定义XMonad配置。但是，我得到了以下错误：

$ xmonad --recompile
XMonad will use ghc to recompile, because "/home/amy/.xmonad/build" does not exist.
Error detected while loading xmonad configuration file: /home/amy/.xmonad/xmonad.hs

xmonad.hs:1:1: error:
    Could not find module ‘XMonad’
    Use -v to see a list of the files searched for.
  |
1 | import XMonad
  | ^^^^^^^^^^^^^

下面是我的configuration.nix的相关部分：

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    bash
    dmenu2
    dzen2
    emacs
    firefox
    gitAndTools.gitFull
    haskellPackages.xmonad
    haskellPackages.xmonad-contrib
    haskellPackages.xmonad-extras
    gcc
    ghc
    stack
    x11
    xmonad-with-packages
    xorg.libX11
    xsel
    wget
  ];

  . . .

  services.xserver = {
    enable = true;
    layout = "ie";
    windowManager.xmonad = {
      enable = true;
      enableContribAndExtras = true;
      extraPackages = haskellPackages: [
        haskellPackages.xmonad
        haskellPackages.xmonad-contrib
        haskellPackages.xmonad-extras
      ];
    };
  };
#  windowManager.default = "xmonad";

我读过NixOS初学者: NixOS 14.04中的xmonad和haskellmode，但windowManager.xmonad.enableContribAndExtras = true;已经在我的configuration.nix里了。

编辑：只是为了澄清，我在NixOS上，但我没有使用Nix来构建我的XMonad配置。我是用普通的XMonad方式做的:我有一个.xmonad目录，配置在xmonad.hs中，我正在运行xmonad --recompile来构建它。

编辑：当我寻找相关的包作为根时，我会找到它们。

# nix-env -q
xmonad-0.14.2
xmonad-contrib-0.14
xmonad-extras-0.14

但作为普通用户，以下命令不返回任何内容。

$ nix-env -q

如何使这些包对非根帐户可见？

编辑：奇怪的是，当我重新启动时，XMonad神奇地工作，编译我的配置没有问题。我不知道为什么重新启动有帮助，因为我已经做了几次nixos-重建开关。

Answer 1

我知道这是旧的，但是这个搜索总是出现在顶部

之所以会发生这种情况，是因为您安装了xmonad两次。

首先是xmonad，而不知道环境中的其他包(这就是nix的全部目的，记住，构建隔离的和可复制的环境)

  environment.systemPackages = with pkgs; [
    ...
    haskellPackages.xmonad
    ...
  ];

第二个是通过启用服务来安装的，在服务配置文件上称为香草 A.K.A xmonad-with-packages：

services.xserver = {
    windowManager.xmonad = {
      enable = true;
    };
  };

xmonad带包实际上是一个设置所需环境变量的包装脚本，以便xmonad可以看到您添加的extraPackages。

TLDR：

1. 两个包都输出一个xmonad二进制文件。
2. 第一个不能访问您的env
3. 第二种
4. 当您运行xmonad --recompile时，第一个是运行的，没有运气
5. 当xserver运行xmonad时，它实际上是从xmonad-with-packages (加上您的extraPackages)运行vanilla二进制文件(参见下面的代码和链接在这里)

  xmonad = if (cfg.config != null) then xmonad-config else xmonad-vanilla;

这是给nixpkgs的，但是几天后我在home-manager上也遇到了同样的问题。

证明

检查xmonad

which xmonad

/home/hao/.nix-profile/bin/xmonad

我知道它在我的个人资料…里但是在哪里呢？

which xmonad | xargs readlink

/nix/store/yx0kb7i209ffh20qmxpbvmllb32lq7rr-home-manager-path/bin/xmonad

好的…，由home-manager安装，但它在哪里？

which xmonad | xargs readlink | xargs readlink

/nix/store/g7f0v21jmi9smh1q1f6fw050r76nzb1p-ghc-8.10.6-with-packages/bin/xmonad

真的是xmonad还是符号链接？

file /nix/store/g7f0v21jmi9smh1q1f6fw050r76nzb1p-ghc-8.10.6-with-packages/bin/xmonad

/nix/store/g7f0v21jmi9smh1q1f6fw050r76nzb1p-ghc-8.10.6-with-packages/bin/xmonad: symbolic link to /nix/store/0lxxi3hrs49fiil29xw6gjx09ad3nf2n-xmonad-0.15/bin/xmonad

真的是xmonad还是符号链接？x2

file /nix/store/0lxxi3hrs49fiil29xw6gjx09ad3nf2n-xmonad-0.15/bin/xmonad

/nix/store/0lxxi3hrs49fiil29xw6gjx09ad3nf2n-xmonad-0.15/bin/xmonad: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /nix/store/9bh3986bpragfjmr32gay8p95k91q4gy-glibc-2.33-47/lib/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, stripped

^保存该路径，您可以看到它实际上指向xmonad二进制文件：

现在输入monad (带有包)：

nix-shell -p xmonad-with-packages

首先，派生指向其他地方，不是指向我的家庭环境，而是直接指向nix商店：

which xmonad

/nix/store/6n1wh9ky7ydbd2ii5877nly9xbrqz4m9-xmonad-with-packages-8.10.6/bin/xmonad

现在我们看到的不是二进制文件，而是bash脚本。

file /nix/store/6n1wh9ky7ydbd2ii5877nly9xbrqz4m9-xmonad-with-packages-8.10.6/bin/xmonad

/nix/store/6n1wh9ky7ydbd2ii5877nly9xbrqz4m9-xmonad-with-packages-8.10.6/bin/xmonad: a /nix/store/dpjnjrqbgbm8a5wvi1hya01vd8wyvsq4-bash-4.4-p23/bin/bash -e script, ASCII text executable

如果查看内容，您会发现它实际上使用的是上面的同一个xmonad (参见下面，exec运行的是什么)，但它为我们添加了所有的extraPackages ( NIX_GHC路径)：

which xmonad | xargs cat


! /nix/store/dpjnjrqbgbm8a5wvi1hya01vd8wyvsq4-bash-4.4-p23/bin/bash -e
export NIX_GHC='/nix/store/sca07cyap7rqkxk4c7sqkvn94bsfaaiz-ghc-8.10.6-with-packages/bin/ghc'
export XMONAD_XMESSAGE='/nix/store/jg3adhj3kpqm8dcrgb95nn5c5k5z61yx-xmessage-1.0.5/bin/xmessage'
exec "/nix/store/sca07cyap7rqkxk4c7sqkvn94bsfaaiz-ghc-8.10.6-with-packages/bin/xmonad"  "@"

exec运行什么？

file /nix/store/sca07cyap7rqkxk4c7sqkvn94bsfaaiz-ghc-8.10.6-with-packages/bin/xmonad

/nix/store/sca07cyap7rqkxk4c7sqkvn94bsfaaiz-ghc-8.10.6-with-packages/bin/xmonad: symbolic link to /nix/store/0lxxi3hrs49fiil29xw6gjx09ad3nf2n-xmonad-0.15/bin/xmonad

让我们编译

xmonad --recompile

XMonad will use ghc to recompile, because "/home/hao/.xmonad/build" does not exist.
XMonad recompilation process exited with success!

但首先离开我们的安全空间

exit

使用我们的home-manager派生

xmonad --recompile 2>&1

XMonad will use ghc to recompile, because "/home/hao/.xmonad/build" does not exist.
Error detected while loading xmonad configuration file: /home/hao/.xmonad/xmonad.hs

xmonad.hs:4:1: error:
    Could not find module ‘XMonad’
    Perhaps you meant DsMonad (needs flag -package-key ghc-8.10.6)
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
  |
4 | import           XMonad                                 hiding (config,workspaces)
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:8:1: error:
    Could not find module ‘XMonad.Hooks.DynamicLog’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
  |
8 | import           XMonad.Hooks.DynamicLog
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:9:1: error:
    Could not find module ‘XMonad.Hooks.ManageDocks’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
  |
9 | import           XMonad.Hooks.ManageDocks
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:10:1: error:
    Could not find module ‘XMonad.StackSet’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
10 | import qualified XMonad.StackSet                 as W
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:11:1: error:
    Could not find module ‘XMonad.ManageHook’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
11 | import           XMonad.ManageHook
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:12:1: error:
    Could not find module ‘XMonad.Util.NamedScratchpad’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
12 | import           XMonad.Util.NamedScratchpad
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:13:1: error:
    Could not find module ‘XMonad.Util.EZConfig’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
13 | import           XMonad.Util.EZConfig
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:14:1: error:
    Could not find module ‘XMonad.Actions.CycleWS’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
14 | import           XMonad.Actions.CycleWS                        (shiftTo, moveTo, Direction1D(..), WSType(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:15:1: error:
    Could not find module ‘XMonad.Actions.Commands’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
15 | import           XMonad.Actions.Commands
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:16:1: error:
    Could not find module ‘XMonad.Actions.ShowText’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
16 | import           XMonad.Actions.ShowText
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:17:1: error:
    Could not find module ‘XMonad.Layout.Fullscreen’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
17 | import           XMonad.Layout.Fullscreen
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:18:1: error:
    Could not find module ‘XMonad.Layout.NoBorders’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
18 | import           XMonad.Layout.NoBorders
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:19:1: error:
    Could not find module ‘XMonad.Hooks.ManageHelpers’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
19 | import           XMonad.Hooks.ManageHelpers
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:20:1: error:
    Could not find module ‘XMonad.Actions.CopyWindow’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
20 | import           XMonad.Actions.CopyWindow
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:22:1: error:
    Could not find module ‘XMonad.Actions.Navigation2D’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
22 | import           XMonad.Actions.Navigation2D
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:23:1: error:
    Could not find module ‘XMonad.Util.Run’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
23 | import           XMonad.Util.Run                               (spawnPipe)
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:24:1: error:
    Could not find module ‘XMonad.Util.NamedWindows’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
24 | import           XMonad.Util.NamedWindows                      (getName, unName)
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:27:1: error:
    Could not find module ‘XMonad.Util.ExtensibleState’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
27 | import qualified XMonad.Util.ExtensibleState     as XS
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:28:1: error:
    Could not find module ‘XMonad.Util.Timer’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
28 | import           XMonad.Util.Timer
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:31:1: error:
    Could not find module ‘XMonad.Actions.UpdateFocus’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
31 | import           XMonad.Actions.UpdateFocus
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:32:1: error:
    Could not find module ‘XMonad.Layout.SimpleFloat’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
32 | import           XMonad.Layout.SimpleFloat
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:33:1: error:
    Could not find module ‘XMonad.Layout.PerWorkspace’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
33 | import           XMonad.Layout.PerWorkspace                    (onWorkspace)
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:34:1: error:
    Could not find module ‘XMonad.Layout.Magnifier’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
34 | import           XMonad.Layout.Magnifier         as Mag
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:35:1: error:
    Could not find module ‘XMonad.Util.Loggers’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
35 | import           XMonad.Util.Loggers
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:36:1: error:
    Could not find module ‘XMonad.Layout.LayoutCombinators’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
36 | import           XMonad.Layout.LayoutCombinators               (JumpToLayout(..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:39:1: error:
    Could not find module ‘XMonad.Actions.FloatSnap’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
39 | import           XMonad.Actions.FloatSnap
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:40:1: error:
    Could not find module ‘XMonad.Util.WorkspaceCompare’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
40 | import qualified XMonad.Util.WorkspaceCompare    as W
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

xmonad.hs:42:1: error:
    Could not find module ‘XMonad.Layout.Gaps’
    Use -v (or `:set -v` in ghci) to see a list of the files searched for.
   |
42 | import           XMonad.Layout.Gaps
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Please check the file for errors.