nixbot

error:
       … while evaluating the attribute 'optionalValue.value'
         at «github:NixOS/nixpkgs/767b0d3ec98a143ad9ed7dfc0d5553510ac27133?narHash=sha256-tzMgSkV7kljEkqIjlgV6F%2Bn%2BxD%2B/a35Db8bs7a4BFAo%3D»/lib/modules.nix:1312:5:
         1311|
         1312|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |     ^
         1313|   };

       … while evaluating a branch condition
         at «github:NixOS/nixpkgs/767b0d3ec98a143ad9ed7dfc0d5553510ac27133?narHash=sha256-tzMgSkV7kljEkqIjlgV6F%2Bn%2BxD%2B/a35Db8bs7a4BFAo%3D»/lib/modules.nix:1312:21:
         1311|
         1312|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |                     ^
         1313|   };

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/transposition.nix':

       … while evaluating the option `perSystem.aarch64-darwin.checks':

       … while evaluating definitions from `/nix/store/w388i63hlw1vbqg22ha7f295hvldmfqc-source/flake.nix, via option perSystem':

       … while evaluating the module argument `self'' in ":anon-12:anon-1":

       … noting that argument `self'` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/perSystem.nix':

       … while retrieving system-dependent attributes for a flake's own outputs

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/formatter.nix':

       … while evaluating the option `flake.formatter':

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/formatter.nix':

       … while evaluating the option `perSystem.x86_64-darwin.formatter':

       … while evaluating the option `perSystem.x86_64-darwin.treefmt.build.wrapper':

       … while evaluating the module argument `pkgs' in "/nix/store/1vl291j7zmnqw700hyj840j9yqv94plk-source/module-options.nix":

       … noting that argument `pkgs` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/1vl291j7zmnqw700hyj840j9yqv94plk-source/flake-module.nix':

       … while evaluating the option `perSystem.x86_64-darwin.treefmt.pkgs':

       … while evaluating the module argument `pkgs' in ":anon-10:anon-1":

       … noting that argument `pkgs` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/transposition.nix':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: Nixpkgs 26.11 has dropped support for x86_64-darwin.

       The 26.05 stable branch still supports x86_64-darwin, and will
       receive security fixes until the end of 2026. If you use channels,
       you can switch to 26.05 as follows:

           $ sudo nix-channel --add https://nixos.org/channels/nixpkgs-26.05-darwin nixpkgs
           $ sudo nix-channel --update

       If this doesn’t work, you may need to run:

           # Lack of sudo is deliberate:
           $ nix-channel --remove nixpkgs

       If you use flakes, switch your flake input:

           inputs.nixpkgs = {
             url = "github:NixOS/nixpkgs/nixpkgs-26.05-darwin";
           };

       See the release notes for more information and alternatives:

         https://nixos.org/manual/nixpkgs/unstable/release-notes#x86_64-darwin-26.11

error:
       … while evaluating the attribute 'optionalValue.value'
         at «github:NixOS/nixpkgs/767b0d3ec98a143ad9ed7dfc0d5553510ac27133?narHash=sha256-tzMgSkV7kljEkqIjlgV6F%2Bn%2BxD%2B/a35Db8bs7a4BFAo%3D»/lib/modules.nix:1312:5:
         1311|
         1312|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |     ^
         1313|   };

       … while evaluating a branch condition
         at «github:NixOS/nixpkgs/767b0d3ec98a143ad9ed7dfc0d5553510ac27133?narHash=sha256-tzMgSkV7kljEkqIjlgV6F%2Bn%2BxD%2B/a35Db8bs7a4BFAo%3D»/lib/modules.nix:1312:21:
         1311|
         1312|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |                     ^
         1313|   };

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/transposition.nix':

       … while evaluating the option `perSystem.aarch64-linux.checks':

       … while evaluating definitions from `/nix/store/w388i63hlw1vbqg22ha7f295hvldmfqc-source/flake.nix, via option perSystem':

       … while evaluating the module argument `self'' in ":anon-12:anon-1":

       … noting that argument `self'` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/perSystem.nix':

       … while retrieving system-dependent attributes for a flake's own outputs

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/formatter.nix':

       … while evaluating the option `flake.formatter':

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/formatter.nix':

       … while evaluating the option `perSystem.x86_64-darwin.formatter':

       … while evaluating the option `perSystem.x86_64-darwin.treefmt.build.wrapper':

       … while evaluating the module argument `pkgs' in "/nix/store/1vl291j7zmnqw700hyj840j9yqv94plk-source/module-options.nix":

       … noting that argument `pkgs` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/1vl291j7zmnqw700hyj840j9yqv94plk-source/flake-module.nix':

       … while evaluating the option `perSystem.x86_64-darwin.treefmt.pkgs':

       … while evaluating the module argument `pkgs' in ":anon-10:anon-1":

       … noting that argument `pkgs` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/transposition.nix':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: Nixpkgs 26.11 has dropped support for x86_64-darwin.

       The 26.05 stable branch still supports x86_64-darwin, and will
       receive security fixes until the end of 2026. If you use channels,
       you can switch to 26.05 as follows:

           $ sudo nix-channel --add https://nixos.org/channels/nixpkgs-26.05-darwin nixpkgs
           $ sudo nix-channel --update

       If this doesn’t work, you may need to run:

           # Lack of sudo is deliberate:
           $ nix-channel --remove nixpkgs

       If you use flakes, switch your flake input:

           inputs.nixpkgs = {
             url = "github:NixOS/nixpkgs/nixpkgs-26.05-darwin";
           };

       See the release notes for more information and alternatives:

         https://nixos.org/manual/nixpkgs/unstable/release-notes#x86_64-darwin-26.11

error:
       … while evaluating the attribute 'optionalValue.value'
         at «github:NixOS/nixpkgs/767b0d3ec98a143ad9ed7dfc0d5553510ac27133?narHash=sha256-tzMgSkV7kljEkqIjlgV6F%2Bn%2BxD%2B/a35Db8bs7a4BFAo%3D»/lib/modules.nix:1312:5:
         1311|
         1312|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |     ^
         1313|   };

       … while evaluating a branch condition
         at «github:NixOS/nixpkgs/767b0d3ec98a143ad9ed7dfc0d5553510ac27133?narHash=sha256-tzMgSkV7kljEkqIjlgV6F%2Bn%2BxD%2B/a35Db8bs7a4BFAo%3D»/lib/modules.nix:1312:21:
         1311|
         1312|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |                     ^
         1313|   };

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/transposition.nix':

       … while evaluating the option `perSystem.riscv64-linux.checks':

       … while evaluating definitions from `/nix/store/w388i63hlw1vbqg22ha7f295hvldmfqc-source/flake.nix, via option perSystem':

       … while evaluating the module argument `self'' in ":anon-12:anon-1":

       … noting that argument `self'` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/perSystem.nix':

       … while retrieving system-dependent attributes for a flake's own outputs

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/formatter.nix':

       … while evaluating the option `flake.formatter':

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/formatter.nix':

       … while evaluating the option `perSystem.x86_64-darwin.formatter':

       … while evaluating the option `perSystem.x86_64-darwin.treefmt.build.wrapper':

       … while evaluating the module argument `pkgs' in "/nix/store/1vl291j7zmnqw700hyj840j9yqv94plk-source/module-options.nix":

       … noting that argument `pkgs` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/1vl291j7zmnqw700hyj840j9yqv94plk-source/flake-module.nix':

       … while evaluating the option `perSystem.x86_64-darwin.treefmt.pkgs':

       … while evaluating the module argument `pkgs' in ":anon-10:anon-1":

       … noting that argument `pkgs` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/transposition.nix':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: Nixpkgs 26.11 has dropped support for x86_64-darwin.

       The 26.05 stable branch still supports x86_64-darwin, and will
       receive security fixes until the end of 2026. If you use channels,
       you can switch to 26.05 as follows:

           $ sudo nix-channel --add https://nixos.org/channels/nixpkgs-26.05-darwin nixpkgs
           $ sudo nix-channel --update

       If this doesn’t work, you may need to run:

           # Lack of sudo is deliberate:
           $ nix-channel --remove nixpkgs

       If you use flakes, switch your flake input:

           inputs.nixpkgs = {
             url = "github:NixOS/nixpkgs/nixpkgs-26.05-darwin";
           };

       See the release notes for more information and alternatives:

         https://nixos.org/manual/nixpkgs/unstable/release-notes#x86_64-darwin-26.11

error:
       … while evaluating the attribute 'optionalValue.value'
         at «github:NixOS/nixpkgs/767b0d3ec98a143ad9ed7dfc0d5553510ac27133?narHash=sha256-tzMgSkV7kljEkqIjlgV6F%2Bn%2BxD%2B/a35Db8bs7a4BFAo%3D»/lib/modules.nix:1312:5:
         1311|
         1312|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |     ^
         1313|   };

       … while evaluating a branch condition
         at «github:NixOS/nixpkgs/767b0d3ec98a143ad9ed7dfc0d5553510ac27133?narHash=sha256-tzMgSkV7kljEkqIjlgV6F%2Bn%2BxD%2B/a35Db8bs7a4BFAo%3D»/lib/modules.nix:1312:21:
         1311|
         1312|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |                     ^
         1313|   };

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/transposition.nix':

       … while evaluating the option `perSystem.x86_64-darwin.checks':

       … while evaluating definitions from `/nix/store/w388i63hlw1vbqg22ha7f295hvldmfqc-source/flake.nix, via option perSystem':

       … while evaluating the module argument `self'' in ":anon-12:anon-1":

       … noting that argument `self'` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/perSystem.nix':

       … while retrieving system-dependent attributes for a flake's own outputs

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/formatter.nix':

       … while evaluating the option `flake.formatter':

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/formatter.nix':

       … while evaluating the option `perSystem.x86_64-darwin.formatter':

       … while evaluating the option `perSystem.x86_64-darwin.treefmt.build.wrapper':

       … while evaluating the module argument `pkgs' in "/nix/store/1vl291j7zmnqw700hyj840j9yqv94plk-source/module-options.nix":

       … noting that argument `pkgs` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/1vl291j7zmnqw700hyj840j9yqv94plk-source/flake-module.nix':

       … while evaluating the option `perSystem.x86_64-darwin.treefmt.pkgs':

       … while evaluating the module argument `pkgs' in ":anon-10:anon-1":

       … noting that argument `pkgs` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/transposition.nix':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: Nixpkgs 26.11 has dropped support for x86_64-darwin.

       The 26.05 stable branch still supports x86_64-darwin, and will
       receive security fixes until the end of 2026. If you use channels,
       you can switch to 26.05 as follows:

           $ sudo nix-channel --add https://nixos.org/channels/nixpkgs-26.05-darwin nixpkgs
           $ sudo nix-channel --update

       If this doesn’t work, you may need to run:

           # Lack of sudo is deliberate:
           $ nix-channel --remove nixpkgs

       If you use flakes, switch your flake input:

           inputs.nixpkgs = {
             url = "github:NixOS/nixpkgs/nixpkgs-26.05-darwin";
           };

       See the release notes for more information and alternatives:

         https://nixos.org/manual/nixpkgs/unstable/release-notes#x86_64-darwin-26.11

error:
       … while evaluating the attribute 'optionalValue.value'
         at «github:NixOS/nixpkgs/767b0d3ec98a143ad9ed7dfc0d5553510ac27133?narHash=sha256-tzMgSkV7kljEkqIjlgV6F%2Bn%2BxD%2B/a35Db8bs7a4BFAo%3D»/lib/modules.nix:1312:5:
         1311|
         1312|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |     ^
         1313|   };

       … while evaluating a branch condition
         at «github:NixOS/nixpkgs/767b0d3ec98a143ad9ed7dfc0d5553510ac27133?narHash=sha256-tzMgSkV7kljEkqIjlgV6F%2Bn%2BxD%2B/a35Db8bs7a4BFAo%3D»/lib/modules.nix:1312:21:
         1311|
         1312|     optionalValue = if isDefined then { value = mergedValue; } else { };
             |                     ^
         1313|   };

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/transposition.nix':

       … while evaluating the option `perSystem.x86_64-linux.checks':

       … while evaluating definitions from `/nix/store/w388i63hlw1vbqg22ha7f295hvldmfqc-source/flake.nix, via option perSystem':

       … while evaluating the module argument `self'' in ":anon-12:anon-1":

       … noting that argument `self'` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/perSystem.nix':

       … while retrieving system-dependent attributes for a flake's own outputs

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/formatter.nix':

       … while evaluating the option `flake.formatter':

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/formatter.nix':

       … while evaluating the option `perSystem.x86_64-darwin.formatter':

       … while evaluating the option `perSystem.x86_64-darwin.treefmt.build.wrapper':

       … while evaluating the module argument `pkgs' in "/nix/store/1vl291j7zmnqw700hyj840j9yqv94plk-source/module-options.nix":

       … noting that argument `pkgs` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/1vl291j7zmnqw700hyj840j9yqv94plk-source/flake-module.nix':

       … while evaluating the option `perSystem.x86_64-darwin.treefmt.pkgs':

       … while evaluating the module argument `pkgs' in ":anon-10:anon-1":

       … noting that argument `pkgs` is not externally provided, so querying `_module.args` instead, requiring `config`

       … while evaluating definitions from `/nix/store/hqh4dp94r41rk0k4b9b6v804nrlwmij8-source/modules/transposition.nix':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: Nixpkgs 26.11 has dropped support for x86_64-darwin.

       The 26.05 stable branch still supports x86_64-darwin, and will
       receive security fixes until the end of 2026. If you use channels,
       you can switch to 26.05 as follows:

           $ sudo nix-channel --add https://nixos.org/channels/nixpkgs-26.05-darwin nixpkgs
           $ sudo nix-channel --update

       If this doesn’t work, you may need to run:

           # Lack of sudo is deliberate:
           $ nix-channel --remove nixpkgs

       If you use flakes, switch your flake input:

           inputs.nixpkgs = {
             url = "github:NixOS/nixpkgs/nixpkgs-26.05-darwin";
           };

       See the release notes for more information and alternatives:

         https://nixos.org/manual/nixpkgs/unstable/release-notes#x86_64-darwin-26.11