Ticket #2886: cd-not-a-dir.patch

src/bin/bash/builtins/cd.def

@@ -398 +398 @@
      resolved path doesn't exist), fail immediately. */
   if (posixly_correct && nolinks == 0 && canon_failed)
     {
-      errno = ENOENT;
+      // if sh_physpath or sh_canonpath failed, it can mean either ENOENT or
+      // ENOTDIR. errno is already set to ENOENT when path was stat()'ed in
+      // sh_physpath or sh_canonpath, so if the errno is not ENOENT then errno
+      // is ENOTDIR.
+      if (errno != ENOENT)
+        errno = ENOTDIR;
       return (0);
     }