treewide: apply nixfmt 1.2.0

lib/fileset/default.nix

@@ -191,7 +191,7 @@ in
       if isStringLike path then
         throw ''lib.fileset.maybeMissing: Argument ("${toString path}") is a string-like value, but it should be a path instead.''
       else
-        throw ''lib.fileset.maybeMissing: Argument is of type ${typeOf path}, but it should be a path instead.''
+        throw "lib.fileset.maybeMissing: Argument is of type ${typeOf path}, but it should be a path instead."
     else if !pathExists path then
       _emptyWithoutBase
     else
@@ -443,7 +443,7 @@ in
           lib.fileset.toSource: `root` (${toString root}) is a string-like value, but it should be a path instead.
               Paths in strings are not supported by `lib.fileset`, use `lib.sources` or derivations instead.''
       else
-        throw ''lib.fileset.toSource: `root` is of type ${typeOf root}, but it should be a path instead.''
+        throw "lib.fileset.toSource: `root` is of type ${typeOf root}, but it should be a path instead."
     # Currently all Nix paths have the same filesystem root, but this could change in the future.
     # See also ../path/README.md
     else if !fileset._internalIsEmptyWithoutBase && rootFilesystemRoot != filesetFilesystemRoot then
@@ -453,7 +453,7 @@ in
             `fileset`: Filesystem root is "${toString filesetFilesystemRoot}"
             Different filesystem roots are not supported.''
     else if !pathExists root then
-      throw ''lib.fileset.toSource: `root` (${toString root}) is a path that does not exist.''
+      throw "lib.fileset.toSource: `root` (${toString root}) is a path that does not exist."
     else if pathType root != "directory" then
       throw ''
         lib.fileset.toSource: `root` (${toString root}) is a file, but it should be a directory instead. Potential solutions:
@@ -619,7 +619,7 @@ in
   unions =
     filesets:
     if !isList filesets then
-      throw ''lib.fileset.unions: Argument is of type ${typeOf filesets}, but it should be a list instead.''
+      throw "lib.fileset.unions: Argument is of type ${typeOf filesets}, but it should be a list instead."
     else
       pipe filesets [
         # Annotate the elements with context, used by _coerceMany for better errors
@@ -808,16 +808,16 @@ in
   fileFilter =
     predicate: path:
     if !isFunction predicate then
-      throw ''lib.fileset.fileFilter: First argument is of type ${typeOf predicate}, but it should be a function instead.''
+      throw "lib.fileset.fileFilter: First argument is of type ${typeOf predicate}, but it should be a function instead."
     else if !isPath path then
       if path._type or "" == "fileset" then
         throw ''
           lib.fileset.fileFilter: Second argument is a file set, but it should be a path instead.
               If you need to filter files in a file set, use `intersection fileset (fileFilter pred ./.)` instead.''
       else
-        throw ''lib.fileset.fileFilter: Second argument is of type ${typeOf path}, but it should be a path instead.''
+        throw "lib.fileset.fileFilter: Second argument is of type ${typeOf path}, but it should be a path instead."
     else if !pathExists path then
-      throw ''lib.fileset.fileFilter: Second argument (${toString path}) is a path that does not exist.''
+      throw "lib.fileset.fileFilter: Second argument (${toString path}) is a path that does not exist."
     else
       _fileFilter predicate path;
 
@@ -896,9 +896,9 @@ in
           lib.fileset.fromSource: The source origin of the argument is a string-like value ("${toString path}"), but it should be a path instead.
               Sources created from paths in strings cannot be turned into file sets, use `lib.sources` or derivations instead.''
       else
-        throw ''lib.fileset.fromSource: The source origin of the argument is of type ${typeOf path}, but it should be a path instead.''
+        throw "lib.fileset.fromSource: The source origin of the argument is of type ${typeOf path}, but it should be a path instead."
     else if !pathExists path then
-      throw ''lib.fileset.fromSource: The source origin (${toString path}) of the argument is a path that does not exist.''
+      throw "lib.fileset.fromSource: The source origin (${toString path}) of the argument is a path that does not exist."
     else if isFiltered then
       _fromSourceFilter path source.filter
     else

lib/fileset/internal.nix

@@ -211,7 +211,7 @@ rec {
           ${context} ("${toString value}") is a string-like value, but it should be a file set or a path instead.
               Paths represented as strings are not supported by `lib.fileset`, use `lib.sources` or derivations instead.''
       else
-        error ''${context} is of type ${typeOf value}, but it should be a file set or a path instead.''
+        error "${context} is of type ${typeOf value}, but it should be a file set or a path instead."
     else if !pathExists value then
       error ''
         ${context} (${toString value}) is a path that does not exist.

lib/path/default.nix

@@ -239,7 +239,7 @@ in
     # The subpath string to append
     subpath:
     assert assertMsg (isPath path)
-      ''lib.path.append: The first argument is of type ${builtins.typeOf path}, but a path was expected'';
+      "lib.path.append: The first argument is of type ${builtins.typeOf path}, but a path was expected";
     assert assertMsg (isValid subpath) ''
       lib.path.append: Second argument is not a valid subpath string:
           ${subpathInvalidReason subpath}'';

lib/tests/checkAndMergeCompat.nix

@@ -331,7 +331,7 @@ in
     testAttrs = {
       expectedError = {
         type = "ThrownError";
-        msg = ''A definition for option `foo' is not of type `string or signed integer convertible to it.*'';
+        msg = "A definition for option `foo' is not of type `string or signed integer convertible to it.*";
       };
     };
   };

lib/tests/misc.nix

@@ -867,7 +867,7 @@ runTests {
 
   testEscapeNixIdentifierNoQuote = {
     expr = strings.escapeNixIdentifier "foo";
-    expected = ''foo'';
+    expected = "foo";
   };
 
   testEscapeNixIdentifierNumber = {
@@ -2634,7 +2634,7 @@ runTests {
       sections = {
       };
     };
-    expected = '''';
+    expected = "";
   };
 
   testToINIWithGlobalSectionGlobalEmptyIsTheSameAsToINI =
@@ -3002,12 +3002,12 @@ runTests {
 
   testToLuaEmptyAttrSet = {
     expr = generators.toLua { } { };
-    expected = ''{}'';
+    expected = "{}";
   };
 
   testToLuaEmptyList = {
     expr = generators.toLua { } [ ];
-    expected = ''{}'';
+    expected = "{}";
   };
 
   testToLuaListOfVariousTypes = {
@@ -3052,7 +3052,7 @@ runTests {
       41
       43
     ];
-    expected = ''{ 41, 43 }'';
+    expected = "{ 41, 43 }";
   };
 
   testToLuaEmptyBindings = {

lib/types.nix

@@ -1412,7 +1412,7 @@ rec {
         else if builtins.isBool v then
           boolToString v
         else
-          ''<${builtins.typeOf v}>'';
+          "<${builtins.typeOf v}>";
     in
     mkOptionType rec {
       name = "enum";