···

       
45
       
 
       


     

       
46
       
 
       
  config = mkIf cfg.enable {

     

       
47
       
 
       


     

       
48
       
-
       
    environment.etc.xonshrc.text = cfg.config;

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
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0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
49
       
 
       


     

       
50
       
 
       
    environment.systemPackages = [ cfg.package ];

     

       
51
       
 
       


     

···

       
45
       
 
       


     

       
46
       
 
       
  config = mkIf cfg.enable {

     

       
47
       
 
       


     

       
48
       
+
       
    environment.etc.xonshrc.text = ''

     

       
49
       
+
       
      # /etc/xonshrc: DO NOT EDIT -- this file has been generated automatically.

     

       
50
       
+
       


     

       
51
       
+
       


     

       
52
       
+
       
      if not ''${...}.get('__NIXOS_SET_ENVIRONMENT_DONE'):

     

       
53
       
+
       
          # The NixOS environment and thereby also $PATH

     

       
54
       
+
       
          # haven't been fully set up at this point. But

     

       
55
       
+
       
          # `source-bash` below requires `bash` to be on $PATH,

     

       
56
       
+
       
          # so add an entry with bash's location:

     

       
57
       
+
       
          $PATH.add('${pkgs.bash}/bin')

     

       
58
       
+
       


     

       
59
       
+
       
          # Stash xonsh's ls alias, so that we don't get a collision

     

       
60
       
+
       
          # with Bash's ls alias from environment.shellAliases:

     

       
61
       
+
       
          _ls_alias = aliases.pop('ls', None)

     

       
62
       
+
       


     

       
63
       
+
       
          # Source the NixOS environment config.

     

       
64
       
+
       
          source-bash "${config.system.build.setEnvironment}"

     

       
65
       
+
       


     

       
66
       
+
       
          # Restore xonsh's ls alias, overriding that from Bash (if any).

     

       
67
       
+
       
          if _ls_alias is not None:

     

       
68
       
+
       
              aliases['ls'] = _ls_alias

     

       
69
       
+
       
          del _ls_alias

     

       
70
       
+
       


     

       
71
       
+
       


     

       
72
       
+
       
      ${cfg.config}

     

       
73
       
+
       
    '';

     

       
74
       
 
       


     

       
75
       
 
       
    environment.systemPackages = [ cfg.package ];

     

       
76