treewide: use consistent bash script indentation

Always use two spaces.

modules/bitcoind.nix

@@ -374,11 +374,11 @@ in {
         cd ${cfg.cli}/bin
         echo "Importing node banlist..."
         cat ${./banlist.cli.txt} | while read line; do
-            if ! err=$(eval "$line" 2>&1) && [[ $err != *already\ banned* ]]; then
-                # unexpected error
-                echo "$err"
-                exit 1
-            fi
+          if ! err=$(eval "$line" 2>&1) && [[ $err != *already\ banned* ]]; then
+            # unexpected error
+            echo "$err"
+            exit 1
+          fi
         done
       '';
       serviceConfig = nbLib.defaultHardening // {

modules/lnd.nix

@@ -207,8 +207,8 @@ in {
           (nbLib.script "lnd-create-wallet" ''
             attempts=250
             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
+              ((attempts-- == 0)) && { echo "lnd REST service unreachable"; exit 1; }
+              sleep 0.1
             done
 
             if [[ ! -f ${networkDir}/wallet.db ]]; then

modules/secrets/secrets.nix

@@ -110,17 +110,17 @@ in
         ''}
 
         setupSecret() {
-            file="$1"
-            user="$2"
-            group="$3"
-            permissions="$4"
-            if [[ ! -e $file ]]; then
-              echo "Error: Secret file '$file' is missing"
-              exit 1
-            fi
-            chown "$user:$group" "$file"
-            chmod "$permissions" "$file"
-            processedFiles+=("$file")
+           file="$1"
+           user="$2"
+           group="$3"
+           permissions="$4"
+           if [[ ! -e $file ]]; then
+             echo "Error: Secret file '$file' is missing"
+             exit 1
+           fi
+           chown "$user:$group" "$file"
+           chmod "$permissions" "$file"
+           processedFiles+=("$file")
         }
 
         dir="${cfg.secretsDir}"