···

       
11
       
11
       
 
       


     

       
12
       
12
       
 
       
      lib = import ./lib;

     

       
13
       
13
       
 
       


     

       
14
       
14
       
-
       
      systems = lib.systems.supported.hydra;

     

       
15
       
15
       
-
       


     

       
16
       
16
       
-
       
      forAllSystems = f: lib.genAttrs systems (system: f system);

     

       
14
       
14
       
+
       
      forAllSystems = f: lib.genAttrs lib.systems.flakeExposed (system: f system);

     

       
17
       
15
       
 
       


     

       
18
       
16
       
 
       
    in

     

       
19
       
17
       
 
       
    {

     

···

       
8
       
8
       
 
       
  platforms = import ./platforms.nix { inherit lib; };

     

       
9
       
9
       
 
       
  examples = import ./examples.nix { inherit lib; };

     

       
10
       
10
       
 
       
  architectures = import ./architectures.nix { inherit lib; };

     

       
11
       
11
       
-
       
  supported = import ./supported.nix { inherit lib; };

     

       
11
       
11
       
+
       


     

       
12
       
12
       
+
       
  /* List of all Nix system doubles the nixpkgs flake will expose the package set

     

       
13
       
13
       
+
       
     for. All systems listed here must be supported by nixpkgs as `localSystem`.

     

       
14
       
14
       
+
       


     

       
15
       
15
       
+
       
     **Warning**: This attribute is considered experimental and is subject to change.

     

       
16
       
16
       
+
       
  */

     

       
17
       
17
       
+
       
  flakeExposed = import ./flake-systems.nix { };

     

       
18
       
18
       
+
       


     

       
19
       
19
       
+
       
  # TODO(@sternenseemann): remove before 21.11

     

       
20
       
20
       
+
       
  supported = throw "2022-05-23: Use lib.systems.flakeExposed instead of lib.systems.supported.hydra, as lib.systems.supported has been removed";

     

       
12
       
21
       
 
       


     

       
13
       
22
       
 
       
  # Elaborate a `localSystem` or `crossSystem` so that it contains everything

     

       
14
       
23
       
 
       
  # necessary.

     

···

       
1
       
1
       
+
       
# See [RFC 46] for mandated platform support and ../../pkgs/stdenv for

     

       
2
       
2
       
+
       
# implemented platform support. This list is mainly descriptive, i.e. all

     

       
3
       
3
       
+
       
# system doubles for platforms where nixpkgs can do native compiliation

     

       
4
       
4
       
+
       
# reasonably well are included.

     

       
5
       
5
       
+
       
#

     

       
6
       
6
       
+
       
# [RFC 46]: https://github.com/NixOS/rfcs/blob/master/rfcs/0046-platform-support-tiers.md

     

       
7
       
7
       
+
       
{ }:

     

       
8
       
8
       
+
       


     

       
9
       
9
       
+
       
[

     

       
10
       
10
       
+
       
  # Tier 1

     

       
11
       
11
       
+
       
  "x86_64-linux"

     

       
12
       
12
       
+
       
  # Tier 2

     

       
13
       
13
       
+
       
  "aarch64-linux"

     

       
14
       
14
       
+
       
  "x86_64-darwin"

     

       
15
       
15
       
+
       
  # Tier 3

     

       
16
       
16
       
+
       
  "armv6l-linux"

     

       
17
       
17
       
+
       
  "armv7l-linux"

     

       
18
       
18
       
+
       
  "i686-linux"

     

       
19
       
19
       
+
       
  "mipsel-linux"

     

       
20
       
20
       
+
       


     

       
21
       
21
       
+
       
  # Other platforms with sufficient support in stdenv which is not formally

     

       
22
       
22
       
+
       
  # mandated by their platform tier.

     

       
23
       
23
       
+
       
  "aarch64-darwin"

     

       
24
       
24
       
+
       
  "armv5tel-linux"

     

       
25
       
25
       
+
       
  "powerpc64le-linux"

     

       
26
       
26
       
+
       
  "riscv64-linux"

     

       
27
       
27
       
+
       


     

       
28
       
28
       
+
       
  # "x86_64-freebsd" is excluded because it is mostly broken

     

       
29
       
29
       
+
       
]

     

···

       
1
       
1
       
-
       
# Supported systems according to RFC0046's definition.

     

       
2
       
2
       
-
       
#

     

       
3
       
3
       
-
       
# https://github.com/NixOS/rfcs/blob/master/rfcs/0046-platform-support-tiers.md

     

       
4
       
4
       
-
       
{ lib }:

     

       
5
       
5
       
-
       
rec {

     

       
6
       
6
       
-
       
  # List of systems that are built by Hydra.

     

       
7
       
7
       
-
       
  hydra = tier1 ++ tier2 ++ tier3 ++ [

     

       
8
       
8
       
-
       
    "aarch64-darwin"

     

       
9
       
9
       
-
       
  ];

     

       
10
       
10
       
-
       


     

       
11
       
11
       
-
       
  tier1 = [

     

       
12
       
12
       
-
       
    "x86_64-linux"

     

       
13
       
13
       
-
       
  ];

     

       
14
       
14
       
-
       


     

       
15
       
15
       
-
       
  tier2 = [

     

       
16
       
16
       
-
       
    "aarch64-linux"

     

       
17
       
17
       
-
       
    "x86_64-darwin"

     

       
18
       
18
       
-
       
  ];

     

       
19
       
19
       
-
       


     

       
20
       
20
       
-
       
  tier3 = [

     

       
21
       
21
       
-
       
    "armv6l-linux"

     

       
22
       
22
       
-
       
    "armv7l-linux"

     

       
23
       
23
       
-
       
    "i686-linux"

     

       
24
       
24
       
-
       
    "mipsel-linux"

     

       
25
       
25
       
-
       
  ];

     

       
26
       
26
       
-
       
}

     

···

       
585
       
585
       
 
       
      </listitem>

     

       
586
       
586
       
 
       
      <listitem>

     

       
587
       
587
       
 
       
        <para>

     

       
588
       
588
       
+
       
          <literal>lib.systems.supported</literal> has been removed, as

     

       
589
       
589
       
+
       
          it was overengineered for determining the systems to support

     

       
590
       
590
       
+
       
          in the nixpkgs flake. The list of systems exposed by the

     

       
591
       
591
       
+
       
          nixpkgs flake can now be accessed as

     

       
592
       
592
       
+
       
          <literal>lib.systems.flakeExposed</literal>.

     

       
593
       
593
       
+
       
        </para>

     

       
594
       
594
       
+
       
      </listitem>

     

       
595
       
595
       
+
       
      <listitem>

     

       
596
       
596
       
+
       
        <para>

     

       
588
       
597
       
 
       
          For new installations

     

       
589
       
598
       
 
       
          <literal>virtualisation.oci-containers.backend</literal> is

     

       
590
       
599
       
 
       
          now set to <literal>podman</literal> by default. If you still

     

···

       
193
       
193
       
 
       
  This is to improve compatibility with `libcontainer` based software such as Podman and Skopeo

     

       
194
       
194
       
 
       
  which assumes they have ownership over `/etc/containers`.

     

       
195
       
195
       
 
       


     

       
196
       
196
       
+
       
- `lib.systems.supported` has been removed, as it was overengineered for determining the systems to support in the nixpkgs flake. The list of systems exposed by the nixpkgs flake can now be accessed as `lib.systems.flakeExposed`.

     

       
197
       
197
       
+
       


     

       
196
       
198
       
 
       
- For new installations `virtualisation.oci-containers.backend` is now set to `podman` by default.

     

       
197
       
199
       
 
       
  If you still want to use Docker on systems where `system.stateVersion` is set to to `"22.05"` set `virtualisation.oci-containers.backend = "docker";`.Old systems with older `stateVersion`s stay with "docker".

     

       
198
       
200