Fix formatting in generated .nix-bootstrap.dhall to match dhall format's spec

Author: sd234678

.last-exported-commit

@@ -1 +1 @@
-Last exported commit from parent repo: 6e1a9fb95f60bf61718a21d486bd69bca7dda9e8
+Last exported commit from parent repo: e608d124ce3fd1cfa55f1d6b14306d89a66991ad

.nix-bootstrap.dhall

@@ -1,7 +1,6 @@
 -- This file was generated by nix-bootstrap.
 -- It should be checked into version control.
 -- It is used to aid migration between nix-bootstrap versions and preserve idempotence.
-
 let NodePackageManager = < NPM | PNPm | Yarn >
 
 let ElmMode = < Bare | Node : NodePackageManager >

flake.nix

@@ -68,6 +68,7 @@
                 ++ (
                   with nixpkgs; [
                     coreutils
+                    dhall
                     glab
                     gnused
                     gnutar

nix-bootstrap.cabal

@@ -5,7 +5,7 @@ cabal-version: 2.0
 -- see: https://github.com/sol/hpack
 
 name:           nix-bootstrap
-version:        2.0.0.3
+version:        2.0.0.4
 author:         gchquser
 maintainer:     [email protected]
 copyright:      Crown Copyright

package.yaml

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 name: nix-bootstrap
-version: 2.0.0.3
+version: 2.0.0.4
 author: gchquser
 maintainer: [email protected]
 copyright: Crown Copyright

src/Bootstrap/Data/Config/Internal.hs

@@ -172,8 +172,7 @@ instance Bootstrappable Config where
         unlines
           [ "-- This file was generated by nix-bootstrap.",
             "-- It should be checked into version control.",
-            "-- It is used to aid migration between nix-bootstrap versions and preserve idempotence.",
-            ""
+            "-- It is used to aid migration between nix-bootstrap versions and preserve idempotence."
           ]
       extractUnions :: Expr Src Void -> Expr Src Void
       extractUnions e =

test/Bootstrap/Data/Config/InternalSpec.hs

@@ -35,7 +35,6 @@ spec = describe ".nix-bootstrap.dhall rendering" do
                 [r|-- This file was generated by nix-bootstrap.
 -- It should be checked into version control.
 -- It is used to aid migration between nix-bootstrap versions and preserve idempotence.
-
 let NodePackageManager = < NPM | PNPm | Yarn >
 
 let ElmMode = < Bare | Node : NodePackageManager >