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Add isp-setup service #343

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Add isp-setup service #343

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39 changes: 39 additions & 0 deletions modules/default.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -169,6 +169,16 @@ in
type = types.bool;
description = "Enable boot.kernelParams default console configuration";
};

ispPkgs = mkOption {
type = types.listOf types.package;
default = [ ];
description = ''
The list of packages that contain isp files. This
will copy any files in the /nvcam directory to the
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will copy any files in the /nvcam directory to the
will copy any files in the /nvcam directory of each package to the

/var/nvidia/nvcam directory on the device at boot time.
'';
};
};
};

Expand Down Expand Up @@ -420,6 +430,35 @@ in
wantedBy = [ "multi-user.target" ];
};

systemd.services.isp-setup =
let
ispHash = builtins.hashString "sha256" (builtins.concatStringsSep "\x1f" cfg.ispPkgs);
copyCmd = builtins.concatStringsSep "\n" (builtins.map (pkg: "${lib.getExe' pkgs.coreutils "cp"} -r ${pkg}/nvcam/. /var/nvidia/nvcam") cfg.ispPkgs);
copyISPfiles = pkgs.writeShellScriptBin "copy-isp-files" ''
if [[ -f "/var/nvidia/nvcam/.version" ]]; then
curVersion=$(cat /var/nvidia/nvcam/.version)
if [[ $curVersion == ${ispHash} ]]; then
exit 0
fi
rm -rf /var/nvidia/nvcam
fi

${lib.getExe' pkgs.coreutils "mkdir"} -p /var/nvidia/nvcam
echo ${ispHash} > /var/nvidia/nvcam/.version
${copyCmd}
${lib.getExe' pkgs.coreutils "chmod"} -R 644 /var/nvidia/nvcam
'';
in
mkIf (builtins.length cfg.ispPkgs != 0) {
enable = true;
description = "Copy ISP files to /var/nvidia/nvcam";
serviceConfig = {
Type = "oneshot";
ExecStart = lib.getExe copyISPfiles;
};
wantedBy = [ "multi-user.target" ];
};

systemd.services.tee-supplicant =
let
args = lib.escapeShellArgs (
Expand Down