SelfPrivacy/selfprivacy-nixos-config
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nixos-upgrade.serviceConfig.ExecCondition on /etc/nixos changes

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This commit is contained in:
Alexander Tomokhov 2023-12-28 12:14:58 +04:00
parent 0c895e4015
commit a32613ece4
1 changed files with 18 additions and 4 deletions
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22
configuration.nix
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@ -88,13 +88,27 @@
allowReboot = config.selfprivacy.autoUpgrade.allowReboot;
# TODO get attribute name from selfprivacy options
flake = "/etc/nixos#default";
flags = [ "--verbose" "--print-build-logs" ];
};
systemd.services.nixos-upgrade.serviceConfig.WorkingDirectory = "/etc/nixos";
# TODO parameterize URL somehow; run nix flake update as non-root user
systemd.services.nixos-upgrade.serviceConfig.ExecStartPre = ''
${config.nix.package.out}/bin/nix flake update \
--override-input selfprivacy-nixos-config git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes
'';
systemd.services.nixos-upgrade.serviceConfig.ExecCondition =
pkgs.writeShellScript "flake-update-script" ''
set -o xtrace
if ${config.nix.package.out}/bin/nix flake update \
--override-input selfprivacy-nixos-config git+https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nixos-config.git?ref=flakes
then
if ${pkgs.diffutils}/bin/diff -u -r /etc/selfprivacy/nixos-config-source/ /etc/nixos/
then
set +o xtrace
echo "No configuration changes detected. Nothing to upgrade."
exit 1
fi
else
# ExecStart must not start after 255 exit code, service must fail.
exit 255
fi
'';
nix = {
channel.enable = false;