pyrox.dev
lol
nixos/apcupsd: wrap CLI with "-f ${configFile}"
This ensures that the CLI is in sync with the service configuration.
(I tried building apcupsd with --sysconfdir=/etc instead, but it wants
to install stuff there at build time, so I backed out.)
Fixes https://github.com/NixOS/nixpkgs/issues/208204.
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nixos/modules/services/monitoring/apcupsd.nix
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nixos/modules/services/monitoring/apcupsd.nix
···
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);
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# Ensure the CLI uses our generated configFile
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wrappedBinaries = pkgs.runCommandLocal "apcupsd-wrapped-binaries"
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{ nativeBuildInputs = [ pkgs.makeWrapper ]; }
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''
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for p in "${lib.getBin pkgs.apcupsd}/bin/"*; do
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bname=$(basename "$p")
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makeWrapper "$p" "$out/bin/$bname" --add-flags "-f ${configFile}"
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done
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'';
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apcupsdWrapped = pkgs.symlinkJoin {
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name = "apcupsd-wrapped";
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# Put wrappers first so they "win"
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paths = [ wrappedBinaries pkgs.apcupsd ];
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};
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in
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{
···
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} ];
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# Give users access to the "apcaccess" tool
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-
environment.systemPackages = [ pkgs.apcupsd ];
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+
environment.systemPackages = [ apcupsdWrapped ];
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# NOTE 1: apcupsd runs as root because it needs permission to run
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# "shutdown"