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gdm: Fix screen reader on greeter#408898

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jtojnar:gdm-orca
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gdm: Fix screen reader on greeter#408898
jtojnar wants to merge 1 commit intoNixOS:masterfrom
jtojnar:gdm-orca

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@jtojnar jtojnar commented May 19, 2025

Superseded by #408899

For some reason, the greeter is unable to pick up orca from PATH
so TryExec will fail. As a result, screen reader does not work
on the login screen.

It would be nicer to adjust the environment variable
propagation/filtering so that people allergic to “bloat”
can still disable installing orca but I currently
do not have time to debug that.

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:
  • 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/)
    • Tested in NixOS VM
  • 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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For some reason, the greeter is unable to pick up orca from PATH
so `TryExec` will fail. As a result, screen reader does not work
on the login screen.

It would be nicer to adjust the environment variable
propagation/filtering so that people allergic to “bloat”
can still disable installing orca but I currently
do not have time to debug that.
@github-actions github-actions bot added 10.rebuild-darwin: 0 This PR does not cause any packages to rebuild on Darwin. 10.rebuild-linux: 11-100 This PR causes between 11 and 100 packages to rebuild on Linux. 11.by: package-maintainer This PR was created by a maintainer of all the package it changes. labels May 19, 2025
@nix-owners nix-owners bot requested review from bobby285271, dasj19 and hedning May 19, 2025 23:53
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jtojnar commented May 20, 2025

Oh, I just recalled that we are setting path of display-manager service so we can just do that #408899

@jtojnar jtojnar closed this May 20, 2025
@jtojnar jtojnar deleted the gdm-orca branch May 20, 2025 00:01
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10.rebuild-darwin: 0 This PR does not cause any packages to rebuild on Darwin. 10.rebuild-linux: 11-100 This PR causes between 11 and 100 packages to rebuild on Linux. 11.by: package-maintainer This PR was created by a maintainer of all the package it changes.

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