Mostly performance minded but does fix a bug upgrading packages with …

…markers on CLI

pipenv/utils/resolver.py

@@ -14,6 +14,9 @@
 from pipenv.patched.pip._internal.commands.install import InstallCommand
 from pipenv.patched.pip._internal.exceptions import InstallationError
 from pipenv.patched.pip._internal.models.target_python import TargetPython
+from pipenv.patched.pip._internal.operations.build.build_tracker import (
+    get_build_tracker,
+)
 from pipenv.patched.pip._internal.req.constructors import (
     install_req_from_parsed_requirement,
 )
@@ -76,18 +79,6 @@ def get_package_finder(
     )
 
 
-class BuildTracker:
-    def __init__(self, root):
-        self.root = root
-        if not root:
-            os.environ["PIP_BUILD_TRACKER"] = self.root
-
-    def cleanup(self):
-        if self.root and "PIP_BUILD_TRACKER" in os.environ:
-            del os.environ["PIP_BUILD_TRACKER"]
-            # Add any necessary cleanup logic here
-
-
 class HashCacheMixin:
     """Caches hashes of PyPI artifacts so we do not need to re-download them.
 
@@ -431,8 +422,9 @@ def constraints(self):
     def resolve(self):
         from pipenv.patched.pip._internal.utils.temp_dir import TempDirectory
 
-        with global_tempdir_manager(), TempDirectory(globally_managed=True) as temp_dir:
-            build_tracker = BuildTracker(temp_dir)
+        with global_tempdir_manager(), get_build_tracker() as build_tracker, TempDirectory(
+            globally_managed=True
+        ) as temp_dir:
             try:
                 finder = self.finder()
                 wheel_cache = WheelCache(self.pip_options.cache_dir)