swap service: don't restart mkswap.service on switches
Sadly, we can't instruct systemd to properly restart device-name.swap when this service restarts (or I haven't found the way to do so). As of now blindly restarting it would only get you a bunch of errors about device already used -- let's avoid it.
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@ -128,6 +128,7 @@ in
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wantedBy = [ "${realDevice'}.swap" ];
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before = [ "${realDevice'}.swap" ];
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path = [ pkgs.utillinux ] ++ optional sw.randomEncryption pkgs.cryptsetup;
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script =
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''
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${optionalString (sw.size != null) ''
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@ -145,11 +146,13 @@ in
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mkswap ${sw.realDevice}
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''}
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'';
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unitConfig.RequiresMountsFor = [ "${dirOf sw.device}" ];
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unitConfig.DefaultDependencies = false; # needed to prevent a cycle
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serviceConfig.Type = "oneshot";
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serviceConfig.RemainAfterExit = sw.randomEncryption;
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serviceConfig.ExecStop = optionalString sw.randomEncryption "${pkgs.cryptsetup}/bin/cryptsetup luksClose ${sw.deviceName}";
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restartIfChanged = false;
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};
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in listToAttrs (map createSwapDevice (filter (sw: sw.size != null || sw.randomEncryption) config.swapDevices));
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