Assert: always force-expand

src/Nixfmt/Pretty.hs

@@ -416,7 +416,7 @@ absorbRHS expr = case expr of
     (Term t) | isAbsorbable t -> hardspace <> prettyTermWide t
     -- Parenthesized expression. Same thing as the special case for parenthesized last argument in function calls.
     (Term (Parenthesized open expr' close)) ->
-    group' True $ nest 2 $ base $
+      group' True $ nest 2 $ base $
         hardspace <> pretty open
         <> (surroundWith line' . group . nest 2 . base) expr'
         <> pretty close

test/diff/assert/out.nix

@@ -1,5 +1,8 @@
 [
-  (assert b; e)
+  (
+    assert b;
+    e
+  )
   (
     assert b; # d
     e
@@ -36,6 +39,12 @@
     ; # d
     e
   )
-  (assert b; cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc)
-  (assert b; cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc)
+  (
+    assert b;
+    cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
+  )
+  (
+    assert b;
+    cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
+  )
 ]

test/diff/idioms_lib_4/out.nix

@@ -837,10 +837,14 @@ rec {
       cpu,
       # Optional, but fallback too complex for here.
       # Inferred below instead.
-      vendor ? assert false; null,
+      vendor ?
+        assert false;
+        null,
       kernel,
       # Also inferred below
-      abi ? assert false; null,
+      abi ?
+        assert false;
+        null,
     }@args:
     let
       getCpu = name: cpuTypes.${name} or (throw "Unknown CPU type: ${name}");