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nixos: add service to propagate status of activationScripts #208942

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nixos: add service to propagate status of activationScripts #208942

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15 changes: 15 additions & 0 deletions nixos/modules/system/activation/activation-script.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,10 @@ let
mkdir -p /nix/var/nix/gcroots
ln -sfn /run/current-system /nix/var/nix/gcroots/current-system

# Write a state file for nixos-activation-scripts-status.service
mkdir -p /run/nixos/activation-scripts
echo "$_status" >/run/nixos/activation-scripts/exit_status

exit $_status
'';

Expand Down Expand Up @@ -258,6 +262,17 @@ in
source ${config.system.build.earlyMountScript}
'';

# A service that propagates the exit code of the activation scripts so that
# `systemctl --failed` shows if any of them failed.
systemd.services.nixos-activation-scripts-status = {
wantedBy = [ "multi-user.target" ];
script = ''
exit_status="$(cat /run/nixos/activation-scripts/exit_status)"
echo "NixOS activation scripts finished with exit code $exit_status"
exit "$exit_status"
'';
};

systemd.user = {
services.nixos-activation = {
description = "Run user-specific NixOS activation";
Expand Down