$ git clone -n https://src.fedoraproject.org/rpms/python-pyproject-hooks.git /var/lib/mock/f39-build-1425909-31585/root/chroot_tmpdir/scmroot/python-pyproject-hooks
Cloning into '/var/lib/mock/f39-build-1425909-31585/root/chroot_tmpdir/scmroot/python-pyproject-hooks'...
$ git fetch origin 9c9697fe89328da0743f8fe01ba186b2a0f4e63a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyproject-hooks
 * [new ref]         9c9697fe89328da0743f8fe01ba186b2a0f4e63a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c9697f Add bcond to disable tests, needed for Python bootstrap