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nixos/hardware.printers: remove with lib;

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This commit is contained in:
Felix Buehler 2024-08-24 22:05:29 +02:00
parent ea6befd73f
commit 22946376a9
1 changed files with 29 additions and 30 deletions
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59
nixos/modules/hardware/printers.nix
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@ -1,19 +1,18 @@
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.hardware.printers;
ensurePrinter = p: let
args = cli.toGNUCommandLineShell {} ({
args = lib.cli.toGNUCommandLineShell {} ({
p = p.name;
v = p.deviceUri;
m = p.model;
} // optionalAttrs (p.location != null) {
} // lib.optionalAttrs (p.location != null) {
L = p.location;
} // optionalAttrs (p.description != null) {
} // lib.optionalAttrs (p.description != null) {
D = p.description;
} // optionalAttrs (p.ppdOptions != {}) {
o = mapAttrsToList (name: value: "${name}=${value}") p.ppdOptions;
} // lib.optionalAttrs (p.ppdOptions != {}) {
o = lib.mapAttrsToList (name: value: "${name}=${value}") p.ppdOptions;
});
in ''
${pkgs.cups}/bin/lpadmin ${args} -E
@ -24,22 +23,22 @@ let
'';
# "graph but not # or /" can't be implemented as regex alone due to missing lookahead support
noInvalidChars = str: all (c: c != "#" && c != "/") (stringToCharacters str);
printerName = (types.addCheck (types.strMatching "[[:graph:]]+") noInvalidChars)
noInvalidChars = str: lib.all (c: c != "#" && c != "/") (lib.stringToCharacters str);
printerName = (lib.types.addCheck (lib.types.strMatching "[[:graph:]]+") noInvalidChars)
// { description = "printable string without spaces, # and /"; };
in {
options = {
hardware.printers = {
ensureDefaultPrinter = mkOption {
type = types.nullOr printerName;
ensureDefaultPrinter = lib.mkOption {
type = lib.types.nullOr printerName;
default = null;
description = ''
Ensures the named printer is the default CUPS printer / printer queue.
'';
};
ensurePrinters = mkOption {
ensurePrinters = lib.mkOption {
description = ''
Will regularly ensure that the given CUPS printers are configured as declared here.
If a printer's options are manually changed afterwards, they will be overwritten eventually.
@ -49,9 +48,9 @@ in {
Printers not listed here can still be manually configured.
'';
default = [];
type = types.listOf (types.submodule {
type = lib.types.listOf (lib.types.submodule {
options = {
name = mkOption {
name = lib.mkOption {
type = printerName;
example = "BrotherHL_Workroom";
description = ''
@ -59,25 +58,25 @@ in {
May contain any printable characters except "/", "#", and space.
'';
};
location = mkOption {
type = types.nullOr types.str;
location = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = null;
example = "Workroom";
description = ''
Optional human-readable location.
'';
};
description = mkOption {
type = types.nullOr types.str;
description = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = null;
example = "Brother HL-5140";
description = ''
Optional human-readable description.
'';
};
deviceUri = mkOption {
type = types.str;
example = literalExpression ''
deviceUri = lib.mkOption {
type = lib.types.str;
example = lib.literalExpression ''
"ipp://printserver.local/printers/BrotherHL_Workroom"
"usb://HP/DESKJET%20940C?serial=CN16E6C364BH"
'';
@ -86,9 +85,9 @@ in {
{command}`lpinfo -v` shows a list of supported device URIs and schemes.
'';
};
model = mkOption {
type = types.str;
example = literalExpression ''
model = lib.mkOption {
type = lib.types.str;
example = lib.literalExpression ''
"gutenprint.''${lib.versions.majorMinor (lib.getVersion pkgs.gutenprint)}://brother-hl-5140/expert"
'';
description = ''
@ -96,8 +95,8 @@ in {
{command}`lpinfo -m` shows a list of supported models.
'';
};
ppdOptions = mkOption {
type = types.attrsOf types.str;
ppdOptions = lib.mkOption {
type = lib.types.attrsOf lib.types.str;
example = {
PageSize = "A4";
Duplex = "DuplexNoTumble";
@ -114,7 +113,7 @@ in {
};
};
config = mkIf (cfg.ensurePrinters != [] && config.services.printing.enable) {
config = lib.mkIf (cfg.ensurePrinters != [] && config.services.printing.enable) {
systemd.services.ensure-printers = {
description = "Ensure NixOS-configured CUPS printers";
wantedBy = [ "multi-user.target" ];
@ -126,13 +125,13 @@ in {
RemainAfterExit = true;
};
script = concatStringsSep "\n" [
(concatMapStrings ensurePrinter cfg.ensurePrinters)
(optionalString (cfg.ensureDefaultPrinter != null)
script = lib.concatStringsSep "\n" [
(lib.concatMapStrings ensurePrinter cfg.ensurePrinters)
(lib.optionalString (cfg.ensureDefaultPrinter != null)
(ensureDefaultPrinter cfg.ensureDefaultPrinter))
# Note: if cupsd is "stateless" the service can't be stopped,
# otherwise the configuration will be wiped on the next start.
(optionalString (with config.services.printing; startWhenNeeded && !stateless)
(lib.optionalString (with config.services.printing; startWhenNeeded && !stateless)
"systemctl stop cups.service")
];
};