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nixos/top-level: pass activation scripts as files to avoid "Argument list too long" error#274765

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nixos/top-level: pass activation scripts as files to avoid "Argument list too long" error#274765
tomeon wants to merge 1 commit intoNixOS:masterfrom
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@tomeon tomeon commented Dec 16, 2023

This stops Bash from complaining "Argument list too long" due to very large activation scripts. Related: ryantm/agenix#227.

Description of changes

This PR updates the activatable system derivation to pass activationScript and dryActivationScripts via files rather than via environment variables. Activation scripts are liable to grow large enough to make Bash/Linux complain about illegally large argument lists; see the above-linked agenix issue for one such example.

Incidental change: move the passAsFile definition, previously in the body of the baseSystem system derivation definition, into system.systemBuilderArgs, making it possible to extend it with [ "activationScript" "dryActivationScript" ] elsewhere.

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/)
  • 24.05 Release Notes (or backporting 23.05 and 23.11 Release notes)
    • (Package updates) Added a release notes entry if the change is major or breaking
    • (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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@tomeon tomeon requested a review from dasJ as a code owner December 16, 2023 17:05
@github-actions github-actions bot added 6.topic: nixos Issues or PRs affecting NixOS modules, or package usability issues specific to NixOS 8.has: module (update) This PR changes an existing module in `nixos/` labels Dec 16, 2023
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tomeon commented Dec 16, 2023

Cargo-culting some OfBorg stuff from a recent-ish PR touching the same areas...:

@ofborg test switchTest
@ofborg test simple
@ofborg test nixos-rebuild-specialisations

@ofborg ofborg bot added 10.rebuild-darwin: 1-10 This PR causes between 1 and 10 packages to rebuild on Darwin. 10.rebuild-linux: 1-10 This PR causes between 1 and 10 packages to rebuild on Linux. labels Dec 16, 2023
@tomeon tomeon changed the title nixos/top-level: pass activation scripts as files nixos/top-level: pass activation scripts as files to avoid "Argument list too long" error Dec 16, 2023
@wegank wegank added the 2.status: stale https://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.md label Jul 4, 2024
@tomeon tomeon force-pushed the top-level-pass-activation-scripts-as-files branch from ee10094 to a8dcc50 Compare March 8, 2025 18:30
@stale stale bot removed the 2.status: stale https://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.md label Mar 8, 2025
@tomeon tomeon force-pushed the top-level-pass-activation-scripts-as-files branch from a8dcc50 to c23c43a Compare March 8, 2025 20:27
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tomeon commented Mar 8, 2025

@ofborg test switchTest
@ofborg test simple
@ofborg test nixos-rebuild-specialisations

@wegank wegank added the 2.status: merge conflict This PR has merge conflicts with the target branch label Apr 2, 2025
to stop Bash from complaining "Argument list too long" due to very large
activation scripts.
@tomeon tomeon force-pushed the top-level-pass-activation-scripts-as-files branch from c23c43a to 0979be5 Compare May 26, 2025 21:42
@ofborg ofborg bot removed the 2.status: merge conflict This PR has merge conflicts with the target branch label May 26, 2025
@nixpkgs-ci nixpkgs-ci bot added the 2.status: merge conflict This PR has merge conflicts with the target branch label Jul 27, 2025
@nixpkgs-ci nixpkgs-ci bot added the 2.status: stale https://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.md label Nov 23, 2025
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2.status: merge conflict This PR has merge conflicts with the target branch 2.status: stale https://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.md 6.topic: nixos Issues or PRs affecting NixOS modules, or package usability issues specific to NixOS 8.has: module (update) This PR changes an existing module in `nixos/` 10.rebuild-darwin: 1-10 This PR causes between 1 and 10 packages to rebuild on Darwin. 10.rebuild-linux: 1-10 This PR causes between 1 and 10 packages to rebuild on Linux.

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