minor fixes

- bitcoind: Remove obsolete defaultText
- clightning: Fix description
  Option `address` can't be used to specify a socket path because it's
  used explicitly as an IP address in many places.
- lnd: Break up overlong line
  This is required by commit `services: support 0.0.0.0/:: in `address` options`
- nix-bitcoin.nix: Formatting
- secrets: Improve descriptions

modules/bitcoind.nix

@@ -26,7 +26,6 @@ let
       package = mkOption {
         type = types.package;
         default = config.nix-bitcoin.pkgs.bitcoind;
-        defaultText = "pkgs.blockchains.bitcoind";
         description = "The package providing bitcoin binaries.";
       };
       extraConfig = mkOption {

modules/clightning.nix

@@ -7,7 +7,7 @@ let
     address = mkOption {
       type = types.str;
       default = "127.0.0.1";
-      description = "IP address or UNIX domain socket to listen for peer connections.";
+      description = "Address to listen for peer connections.";
     };
     port = mkOption {
       type = types.port;

modules/lnd.nix

@@ -221,7 +221,9 @@ in {
         in [
           (nbLib.script "lnd-create-wallet" ''
             attempts=250
-            while ! { exec 3>/dev/tcp/${cfg.restAddress}/${toString cfg.restPort} && exec 3>&-; } &>/dev/null; do
+            while ! {
+              exec 3>/dev/tcp/${cfg.restAddress}/${toString cfg.restPort} && exec 3>&-
+            } &>/dev/null; do
               ((attempts-- == 0)) && { echo "lnd REST service unreachable"; exit 1; }
               sleep 0.1
             done

modules/secrets/secrets.nix

@@ -13,7 +13,8 @@ let
       type = types.bool;
       default = false;
       description = ''
-        Set permissions for existing secrets in `nix-bitcoin.secretsDir`.
+        Set permissions for existing secrets in `nix-bitcoin.secretsDir`
+        before services are started.
       '';
     };
 
@@ -21,7 +22,7 @@ let
       type = types.bool;
       default = false;
       description = ''
-        Automatically generate all required secrets at system startup.
+        Automatically generate all required secrets before services are started.
         Note: Make sure to create a backup of the generated secrets.
       '';
     };