Format .nix files

... with nixfmt (rfc style)

tests/functional/ca/content-addressed.nix

@@ -1,13 +1,21 @@
 with import ./config.nix;
 
-let mkCADerivation = args: mkDerivation ({
-    __contentAddressed = true;
-    outputHashMode = "recursive";
-    outputHashAlgo = "sha256";
-} // args);
+let
+  mkCADerivation =
+    args:
+    mkDerivation (
+      {
+        __contentAddressed = true;
+        outputHashMode = "recursive";
+        outputHashAlgo = "sha256";
+      }
+      // args
+    );
 in
 
-{ seed ? 0 }:
+{
+  seed ? 0,
+}:
 # A simple content-addressed derivation.
 # The derivation can be arbitrarily modified by passing a different `seed`,
 # but the output will always be the same
@@ -23,7 +31,11 @@ rec {
   };
   rootCA = mkCADerivation {
     name = "rootCA";
-    outputs = [ "out" "dev" "foo" ];
+    outputs = [
+      "out"
+      "dev"
+      "foo"
+    ];
     buildCommand = ''
       echo "building a CA derivation"
       echo "The seed is ${toString seed}"

tests/functional/ca/flake.nix

@@ -1,3 +1,3 @@
 {
-  outputs = { self }: import ./content-addressed.nix {};
+  outputs = { self }: import ./content-addressed.nix { };
 }

tests/functional/ca/nondeterministic.nix

@@ -1,10 +1,16 @@
 with import ./config.nix;
 
-let mkCADerivation = args: mkDerivation ({
-    __contentAddressed = true;
-    outputHashMode = "recursive";
-    outputHashAlgo = "sha256";
-} // args);
+let
+  mkCADerivation =
+    args:
+    mkDerivation (
+      {
+        __contentAddressed = true;
+        outputHashMode = "recursive";
+        outputHashAlgo = "sha256";
+      }
+      // args
+    );
 in
 
 rec {
@@ -15,13 +21,15 @@ rec {
       echo $(date) > $out/current-time
     '';
   };
-  dep = seed: mkCADerivation {
-    name = "dep";
-    inherit seed;
-    buildCommand = ''
-      echo ${currentTime} > $out
-    '';
-  };
+  dep =
+    seed:
+    mkCADerivation {
+      name = "dep";
+      inherit seed;
+      buildCommand = ''
+        echo ${currentTime} > $out
+      '';
+    };
   dep1 = dep 1;
   dep2 = dep 2;
   toplevel = mkCADerivation {
@@ -32,4 +40,3 @@ rec {
     '';
   };
 }
-

tests/functional/ca/racy.nix

@@ -1,7 +1,6 @@
 # A derivation that would certainly fail if several builders tried to
 # build it at once.
 
-
 with import ./config.nix;
 
 mkDerivation {