Commit 9a6da9539074

@@ -3,6 +3,10 @@
 with import ../assets/machines.nix; {
   imports = [ ../hardware/lenovo-p50.nix ];
   time.timeZone = "Europe/Paris";
+  hardware.sane.enable = true;
+  hardware.sane.extraConfig = {
+    "canon" = "bjnp://192.168.12.70";
+  };
   profiles = {
     containerd.enable = true;
     dev.enable = true;

@@ -0,0 +1,43 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.hardware.sane;
+
+  pkg = if cfg.snapshot
+    then pkgs.sane-backends-git
+    else pkgs.sane-backends;
+
+  backends = [ pkg ] ++ cfg.extraBackends;
+
+  saneConfig = pkgs.mkSaneConfig { paths = backends; };
+
+  saneExtraConfig = pkgs.runCommand "sane-extra-config" {} ''
+    cp -Lr '${pkgs.mkSaneConfig { paths = [ pkgs.sane-backends ]; }}'/etc/sane.d $out
+    chmod +w $out
+    ${concatMapStrings (c: ''
+      f="$out/${c.name}.conf"
+      [ ! -e "$f" ] || chmod +w "$f"
+      cat ${builtins.toFile "" (c.value + "\n")} >>"$f"
+      chmod -w "$f"
+    '') (mapAttrsToList nameValuePair cfg.extraConfig)}
+    chmod -w $out
+  '';
+
+in
+
+{
+  options = {
+    hardware.sane.extraConfig = mkOption {
+      type = types.attrsOf types.lines;
+      default = {};
+      example = { "some-backend" = "# some lines to add to its .conf"; };
+    };
+  };
+
+  config = mkIf (cfg.enable && cfg.extraConfig != {}) {
+    hardware.sane.configDir = saneExtraConfig.outPath;
+  };
+}

@@ -27,7 +27,7 @@ in
           isNormalUser = true;
           uid = 1000;
           createHome = true;
-          extraGroups = [ "wheel" "input" ] ++ optionals config.profiles.desktop.enable ["audio" "video" "scanner" "networkmanager"]
+          extraGroups = [ "wheel" "input" ] ++ optionals config.profiles.desktop.enable ["audio" "video" "lp" "scanner" "networkmanager"]
                     ++ optionals config.profiles.docker.enable [ "docker" ]
                     ++ optionals config.profiles.buildkit.enable [ "buildkit" ]
                     ++ optionals config.profiles.virtualization.enable [ "libvirtd" "vboxusers" ];

@@ -2,6 +2,7 @@
 
 {
   imports = [
+    ./hardware/sane-extra-config.nix
     ./profiles/avahi.nix
     ./profiles/base.nix
     ./profiles/buildkit.nix