turn all extraArgs into lists

example/btrfs-subvolumes.nix

@@ -27,7 +27,7 @@
             end = "100%";
             content = {
               type = "btrfs";
-              extraArgs = "-f"; # Override existing partition
+              extraArgs = [ "-f" ]; # Override existing partition
               subvolumes = {
                 # Subvolume name is different from mountpoint
                 "/rootfs" = {

types/btrfs.nix

@@ -7,9 +7,9 @@
       description = "Type";
     };
     extraArgs = lib.mkOption {
-      type = lib.types.str;
-      default = "";
-      description = "Arguments to pass to BTRFS";
+      type = lib.types.listOf lib.types.str;
+      default = [ ];
+      description = "Extra arguments";
     };
     mountOptions = lib.mkOption {
       type = lib.types.listOf lib.types.str;
@@ -37,7 +37,7 @@
     _create = diskoLib.mkCreateOption {
       inherit config options;
       default = { dev }: ''
-        mkfs.btrfs ${dev} ${config.extraArgs}
+        mkfs.btrfs ${dev} ${toString config.extraArgs}
         ${lib.concatMapStrings (subvol: subvol._create { inherit dev; }) (lib.attrValues config.subvolumes)}
       '';
     };

types/btrfs_subvol.nix

@@ -13,9 +13,9 @@
       description = "Type";
     };
     extraArgs = lib.mkOption {
-      type = lib.types.str;
-      default = "";
-      description = "Extra arguments to pass";
+      type = lib.types.listOf lib.types.str;
+      default = [ ];
+      description = "Extra arguments";
     };
     mountOptions = lib.mkOption {
       type = lib.types.listOf lib.types.str;
@@ -41,7 +41,7 @@
         (
           mount ${dev} "$MNTPOINT" -o subvol=/
           trap 'umount $MNTPOINT; rm -rf $MNTPOINT' EXIT
-          btrfs subvolume create "$MNTPOINT"/${config.name} ${config.extraArgs}
+          btrfs subvolume create "$MNTPOINT"/${config.name} ${toString config.extraArgs}
         )
       '';
     };

types/filesystem.nix

@@ -7,9 +7,9 @@
       description = "Type";
     };
     extraArgs = lib.mkOption {
-      type = lib.types.str;
-      default = "";
-      description = "Arguments to pass";
+      type = lib.types.listOf lib.types.str;
+      default = [ ];
+      description = "Extra arguments";
     };
     mountOptions = lib.mkOption {
       type = lib.types.listOf lib.types.str;
@@ -35,7 +35,7 @@
       inherit config options;
       default = { dev }: ''
         mkfs.${config.format} \
-          ${config.extraArgs} \
+          ${toString config.extraArgs} \
           ${dev}
       '';
     };

types/lvm_lv.nix

@@ -22,8 +22,8 @@
       description = "LVM type";
     };
     extraArgs = lib.mkOption {
-      type = lib.types.str;
-      default = "";
+      type = lib.types.listOf lib.types.str;
+      default = [ ];
       description = "Extra arguments";
     };
     content = diskoLib.partitionType;
@@ -43,7 +43,7 @@
           ${if lib.hasInfix "%" config.size then "-l" else "-L"} ${config.size} \
           -n ${config.name} \
           ${lib.optionalString (config.lvm_type != null) "--type=${config.lvm_type}"} \
-          ${config.extraArgs} \
+          ${toString config.extraArgs} \
           ${vg}
         ${lib.optionalString (config.content != null) (config.content._create {dev = "/dev/${vg}/${config.name}";})}
       '';