📝 Add a change note for 89c9b3a

Author: webknjaz

docs/changelog-fragments/89c9b3a.packaging.rst

@@ -0,0 +1,9 @@
+A flaw in the logic for copying the project directory into a
+temporary folder that led to infinite recursion when :envvar:`TMPDIR`
+was set to a project subdirectory path. This was happening in Fedora
+and its downstream due to the use of `pyproject-rpm-macros
+<https://src.fedoraproject.org/rpms/pyproject-rpm-macros>`__. It was
+only reproducible with ``pip wheel`` and was not affecting the
+``pyproject-build`` users.
+
+-- by :user:`hroncok` and :user:`webknjaz`

docs/conf.py

@@ -63,6 +63,7 @@
 nitpicky = True
 nitpick_ignore = [
     ('envvar', 'PATH'),
+    ('envvar', 'TMPPATH'),
 ]
 
 # Add any Sphinx extension module names here, as strings. They can be