5df5c822ea
Good: this means it's not hanging holding the s6 dataase lock. Bad: it's the ugliest implementation and doesn't deserve to be preserved (tbf the ugliness is not new)
31 lines
896 B
Nix
31 lines
896 B
Nix
{
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liminix
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, lib
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}:
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{ device, mountpoint, options, fstype }:
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let
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inherit (liminix.services) longrun oneshot;
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options_string =
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if options == [] then "" else "-o ${lib.concatStringsSep "," options}";
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mount_service = oneshot {
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name = "mount.${lib.escapeURL mountpoint}";
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timeout-up = 3600;
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up = "mount -t ${fstype} ${options_string} ${device} ${mountpoint}";
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down = "umount ${mountpoint}";
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};
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in longrun {
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name = "watch-mount.${lib.strings.sanitizeDerivationName mountpoint}";
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isTrigger = true;
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buildInputs = [ mount_service ];
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# This accommodates bringing the service up when the device appears.
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# It doesn't bring it down on unplug because unmount will probably
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# fail anyway (so don't do that)
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run = ''
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while ! findfs ${device}; do
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echo waiting for device ${device}
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sleep 1
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done
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s6-rc -b -u change ${mount_service.name}
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'';
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}
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