1 files changed, 18 insertions, 19 deletions
diff --git a/lib/sources.nix b/lib/sources.nix
index 3ad7dc6335549..d990777c6fcc7 100644
--- a/lib/sources.nix
+++ b/lib/sources.nix
@@ -18,21 +18,11 @@ let
     pathExists
     readFile
     ;
-
-  /*
-    Returns the type of a path: regular (for file), symlink, or directory.
-  */
-  pathType = path: getAttr (baseNameOf path) (readDir (dirOf path));
-
-  /*
-    Returns true if the path exists and is a directory, false otherwise.
-  */
-  pathIsDirectory = path: if pathExists path then (pathType path) == "directory" else false;
-
-  /*
-    Returns true if the path exists and is a regular file, false otherwise.
-  */
-  pathIsRegularFile = path: if pathExists path then (pathType path) == "regular" else false;
+  inherit (lib.filesystem)
+    pathType
+    pathIsDirectory
+    pathIsRegularFile
+    ;
 
   /*
     A basic filter for `cleanSourceWith` that removes
@@ -271,11 +261,20 @@ let
     };
 
 in {
-  inherit
-    pathType
-    pathIsDirectory
-    pathIsRegularFile
 
+  pathType = lib.warnIf (lib.isInOldestRelease 2305)
+    "lib.sources.pathType has been moved to lib.filesystem.pathType."
+    lib.filesystem.pathType;
+
+  pathIsDirectory = lib.warnIf (lib.isInOldestRelease 2305)
+    "lib.sources.pathIsDirectory has been moved to lib.filesystem.pathIsDirectory."
+    lib.filesystem.pathIsDirectory;
+
+  pathIsRegularFile = lib.warnIf (lib.isInOldestRelease 2305)
+    "lib.sources.pathIsRegularFile has been moved to lib.filesystem.pathIsRegularFile."
+    lib.filesystem.pathIsRegularFile;
+
+  inherit
     pathIsGitRepo
     commitIdFromGitRepo