applyPatches: passthru outputHashAlog

[mweinelt]

Fixes evaluation of the find-tarballs.nix script used in the tarballs mirror pipeline.

$ nix-instantiate --eval --json --strict maintainers/scripts/find-tarballs.nix --arg expr 'import maintainers/scripts/all-tarballs.nix' --show-trace
[...]
error:
       … while calling anonymous lambda
         at maintainers/scripts/find-tarballs.nix:3:1:
            2|
            3| {
             | ^
            4|   expr,

       … while evaluating uniqueFiles
         at maintainers/scripts/find-tarballs.nix:105:1:
          104| in
          105| uniqueFiles
             | ^
          106|

       … while calling the 'map' builtin
         at maintainers/scripts/find-tarballs.nix:26:17:
           25|
           26|   uniqueFiles = map (x: x.file) (genericClosure {
             |                 ^
           27|     startSet = map (file: {

       … while calling the 'genericClosure' builtin
         at maintainers/scripts/find-tarballs.nix:26:34:
           25|
           26|   uniqueFiles = map (x: x.file) (genericClosure {
             |                                  ^
           27|     startSet = map (file: {

       … while evaluating type
         at maintainers/scripts/find-tarballs.nix:28:28:
           27|     startSet = map (file: {
           28|       key = with file; (if type == null then "" else type + "+") + hash;
             |                            ^
           29|       inherit file;

       error: attribute 'outputHashAlgo' missing
       at maintainers/scripts/find-tarballs.nix:38:16:
           37|     isPatch = (drv ? postFetch && drv.postFetch != "");
           38|     type = drv.outputHashAlgo;
             |                ^
           39|     name = drv.name;

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandboxing enabled in nix.conf? (See Nix manual)
  • sandbox = relaxed
  • sandbox = true
• Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• Tested basic functionality of all binary files (usually in ./result/bin/)
• Nixpkgs 25.11 Release Notes (or backporting 24.11 and 25.05 Nixpkgs Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
• NixOS 25.11 Release Notes (or backporting 24.11 and 25.05 NixOS Release notes)
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
• Fits CONTRIBUTING.md.

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[philiptaron]

Thanks.

[nixpkgs-ci]

Successfully created backport PR for release-25.05:

• [Backport release-25.05] applyPatches: passthru outputHashAlog #414870