various: move throws to aliases (#426639)

pkgs/applications/window-managers/hyprwm/hyprland-plugins/default.nix

···
 {
+  config,
   lib,
   callPackage,
   pkg-config,
···
     { hypr-dynamic-cursors = import ./hypr-dynamic-cursors.nix; }
     { hyprfocus = import ./hyprfocus.nix; }
     { hyprgrass = import ./hyprgrass.nix; }
-    {
-      hyprscroller = throw "hyprlandPlugins.hyprscroller has been removed as the upstream project is deprecated. Consider using `hyprlandPlugins.hyprscrolling`.";
-    } # Added 2025-05-09
     { hyprspace = import ./hyprspace.nix; }
     { hyprsplit = import ./hyprsplit.nix; }
     (import ./hyprland-plugins.nix)
+    (lib.optionalAttrs config.allowAliases {
+      hyprscroller = throw "hyprlandPlugins.hyprscroller has been removed as the upstream project is deprecated. Consider using `hyprlandPlugins.hyprscrolling`."; # Added 2025-05-09
+    })
   ];
 in
 (lib.mapAttrs (name: plugin: callPackage plugin { inherit mkHyprlandPlugin; }) plugins)

pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix

···
-{ pkgs, haskellLib }:
+{
+  config,
+  pkgs,
+  haskellLib,
+}:
 
 with haskellLib;
 
···
 
   doctest = dontCheck super.doctest;
 
-  haskell-language-server = throw "haskell-language-server has dropped support for ghc 9.0 in version 2.4.0.0, please use a newer ghc version or an older nixpkgs version";
+  haskell-language-server =
+    lib.throwIf config.allowAliases
+      "haskell-language-server has dropped support for ghc 9.0 in version 2.4.0.0, please use a newer ghc version or an older nixpkgs version"
+      (markBroken super.haskell-language-server);
 
   # Needs to use ghc-lib due to incompatible GHC
   ghc-tags = doDistribute self.ghc-tags_1_5;

pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix

···
-{ pkgs, haskellLib }:
+{
+  config,
+  pkgs,
+  haskellLib,
+}:
 
 with haskellLib;
 
···
     }
   );
 
-  haskell-language-server = throw "haskell-language-server has dropped support for ghc 9.2 in version 2.10.0.0, please use a newer ghc version or an older nixpkgs version";
+  haskell-language-server =
+    lib.throwIf config.allowAliases
+      "haskell-language-server has dropped support for ghc 9.2 in version 2.10.0.0, please use a newer ghc version or an older nixpkgs version"
+      (markBroken super.haskell-language-server);
 
   # For GHC < 9.4, some packages need data-array-byte as an extra dependency
   hashable = addBuildDepends [ self.data-array-byte ] super.hashable;

pkgs/development/interpreters/python/hooks/default.nix

···
     } ./setuptools-build-hook.sh
   ) { };
 
-  setuptoolsCheckHook = throw "The setuptoolsCheckHook has been removed, since the test command has been removed in setuptools 72.0";
-
   setuptoolsRustBuildHook = callPackage (
     { makePythonHook, setuptools-rust }:
     makePythonHook {

pkgs/development/libraries/science/math/magma/generic.nix

···
     ;
   inherit (magmaRelease) version hash supportedGpuTargets;
 
-  # Per https://icl.utk.edu/magma/downloads, support for CUDA 12 wasn't added until 2.7.1.
-  # If we're building a version prior to that, use the latest release of the 11.x series.
-  effectiveCudaPackages =
-    if strings.versionOlder version "2.7.1" then cudaPackages_11 else cudaPackages;
-
-  inherit (effectiveCudaPackages) cudaAtLeast flags cudaOlder;
-
-  effectiveRocmPackages =
-    if strings.versionOlder version "2.8.0" then
-      throw ''
-        the required ROCm 5.7 version for magma ${version} has been removed
-      ''
-    else
-      rocmPackages;
+  inherit (cudaPackages) cudaAtLeast flags cudaOlder;
 
   # NOTE: The lists.subtractLists function is perhaps a bit unintuitive. It subtracts the elements
   #   of the first list *from* the second list. That means:
···
   # NOTE: The hip.gpuTargets are prefixed with "gfx" instead of "sm" like flags.realArches.
   #   For some reason, Magma's CMakeLists.txt file does not handle the "gfx" prefix, so we must
   #   remove it.
-  rocmArches = lists.map (x: strings.removePrefix "gfx" x) effectiveRocmPackages.clr.gpuTargets;
+  rocmArches = lists.map (x: strings.removePrefix "gfx" x) rocmPackages.clr.gpuTargets;
   supportedRocmArches = lists.intersectLists rocmArches supportedGpuTargets;
   unsupportedRocmArches = lists.subtractLists supportedRocmArches rocmArches;
 
···
     "test"
   ];
 
-  postPatch =
-    ''
-      # For rocm version script invoked by cmake
-      patchShebangs tools/
-      # Fixup for the python test runners
-      patchShebangs ./testing/run_{tests,summarize}.py
-    ''
-    + lib.optionalString (strings.versionOlder version "2.9.0") ''
-      substituteInPlace ./testing/run_tests.py \
-        --replace-fail \
-          "print >>sys.stderr, cmdp, \"doesn't exist (original name: \" + cmd + \", precision: \" + precision + \")\"" \
-          "print(f\"{cmdp} doesn't exist (original name: {cmd}, precision: {precision})\", file=sys.stderr)"
-    '';
+  postPatch = ''
+    # For rocm version script invoked by cmake
+    patchShebangs tools/
+    # Fixup for the python test runners
+    patchShebangs ./testing/run_{tests,summarize}.py
+  '';
 
   nativeBuildInputs =
     [
···
       gfortran
     ]
     ++ lists.optionals cudaSupport [
-      effectiveCudaPackages.cuda_nvcc
+      cudaPackages.cuda_nvcc
     ];
 
   buildInputs =
···
       (getLib gfortran.cc) # libgfortran.so
     ]
     ++ lists.optionals cudaSupport (
-      with effectiveCudaPackages;
+      with cudaPackages;
       [
         cuda_cccl # <nv/target> and <cuda/std/type_traits>
         cuda_cudart # cuda_runtime.h
···
       ]
     )
     ++ lists.optionals rocmSupport (
-      with effectiveRocmPackages;
+      with rocmPackages;
       [
         clr
         hipblas
···
       # Can be removed once https://github.com/icl-utk-edu/magma/pull/27 is merged
       # Can't easily apply the PR as a patch because we rely on the tarball with pregenerated
       # hipified files ∴ fetchpatch of the PR will apply cleanly but fail to build
-      (strings.cmakeFeature "ROCM_CORE" "${effectiveRocmPackages.clr}")
-      (strings.cmakeFeature "CMAKE_C_COMPILER" "${effectiveRocmPackages.clr}/bin/hipcc")
-      (strings.cmakeFeature "CMAKE_CXX_COMPILER" "${effectiveRocmPackages.clr}/bin/hipcc")
+      (strings.cmakeFeature "ROCM_CORE" "${rocmPackages.clr}")
+      (strings.cmakeFeature "CMAKE_C_COMPILER" "${rocmPackages.clr}/bin/hipcc")
+      (strings.cmakeFeature "CMAKE_CXX_COMPILER" "${rocmPackages.clr}/bin/hipcc")
     ];
 
   # Magma doesn't have a test suite we can easily run, just loose executables, all of which require a GPU.
···
     '';
 
   passthru = {
-    inherit cudaSupport rocmSupport gpuTargets;
-    cudaPackages = effectiveCudaPackages;
+    inherit
+      cudaPackages
+      cudaSupport
+      rocmSupport
+      gpuTargets
+      ;
     testers = {
       all =
         let
···
       # dynamic CUDA support is broken https://github.com/NixOS/nixpkgs/issues/239237
       (cudaSupport && !static)
       || !(cudaSupport || rocmSupport) # At least one back-end enabled
-      || (cudaSupport && rocmSupport) # Mutually exclusive
-      || (cudaSupport && strings.versionOlder version "2.7.1" && cudaPackages_11 == null)
-      || (rocmSupport && strings.versionOlder version "2.8.0");
+      || (cudaSupport && rocmSupport); # Mutually exclusive
   };
 })

pkgs/development/libraries/science/math/magma/releases.nix

···
 #   CUDA works around magma's wrappers and uses FindCUDAToolkit directly
 [
   {
-    version = "2.6.2";
-    hash = "sha256-dbVU2rAJA+LRC5cskT5Q5/iMvGLzrkMrWghsfk7aCnE=";
-    supportedGpuTargets = [
-      "700"
-      "701"
-      "702"
-      "703"
-      "704"
-      "705"
-      "801"
-      "802"
-      "803"
-      "805"
-      "810"
-      "900"
-      "902"
-      "904"
-      "906"
-      "908"
-      "909"
-      "90c"
-      "1010"
-      "1011"
-      "1012"
-      "1030"
-      "1031"
-      "1032"
-      "1033"
-    ];
-  }
-  {
-    version = "2.7.2";
-    hash = "sha256-cpvBpw5RinQi/no6VFN6R0EDWne+M0n2bqxcNiV21WA=";
-    supportedGpuTargets = [
-      "700"
-      "701"
-      "702"
-      "703"
-      "704"
-      "705"
-      "801"
-      "802"
-      "803"
-      "805"
-      "810"
-      "900"
-      "902"
-      "904"
-      "906"
-      "908"
-      "909"
-      "90c"
-      "1010"
-      "1011"
-      "1012"
-      "1030"
-      "1031"
-      "1032"
-      "1033"
-    ];
-  }
-  {
     version = "2.9.0";
     hash = "sha256-/3f9Nyaz3+w7+1V5CwZICqXMOEOWwts1xW/a5KgsZBw=";
     supportedGpuTargets = [

pkgs/top-level/aliases.nix

···
   ma1sd = throw "ma1sd was dropped as it is unmaintained"; # Added 2024-07-10
   mac = monkeysAudio; # Added 2024-11-30
   MACS2 = macs2; # Added 2023-06-12
+  magma_2_6_2 = throw "'magma_2_6_2' has been removed, use the latest 'magma' package instead."; # Added 2025-07-20
+  magma_2_7_2 = throw "'magma_2_7_2' has been removed, use the latest 'magma' package instead."; # Added 2025-07-20
   mailcore2 = throw "'mailcore2' has been removed due to lack of upstream maintenance."; # Added 2025-06-09
   mailctl = throw "mailctl has been renamed to oama"; # Added 2024-08-19
   mailman-rss = throw "The mailman-rss package was dropped since it was unmaintained."; # Added 2024-06-21

pkgs/top-level/all-packages.nix

···
   # standard BLAS and LAPACK.
   openblasCompat = openblas.override { blas64 = false; };
 
-  inherit (callPackage ../development/libraries/science/math/magma { }) magma magma_2_7_2 magma_2_6_2;
+  inherit (callPackage ../development/libraries/science/math/magma { }) magma;
 
   magma-cuda = magma.override {
     cudaSupport = true;

pkgs/top-level/python-aliases.nix

···
   sequoia = throw "python3Packages.sequoia was replaced by pysequoia - built from a dedicated repository, with a new API."; # added 2023-06-24
   setuptools_dso = setuptools-dso; # added 2024-03-03
   setuptools_scm = setuptools-scm; # added 2021-06-03
+  setuptoolsCheckHook = throw "The setuptoolsCheckHook has been removed, since the test command has been removed in setuptools 72.0."; # added 2024-08-06
   setuptoolsTrial = setuptools-trial; # added 2023-11-11
   sharkiqpy = sharkiq; # added 2022-05-21
   shouldbe = throw "shouldbe was removed, because it was disabled on all python version since 3.8 and last updated in 2019."; # added 2024-05-12