$ git clone -n https://src.fedoraproject.org/rpms/python-cxxfilt.git /var/lib/mock/f39-build-1556370-37183/root/chroot_tmpdir/scmroot/python-cxxfilt
Cloning into '/var/lib/mock/f39-build-1556370-37183/root/chroot_tmpdir/scmroot/python-cxxfilt'...
$ git fetch origin d9548f7bc649d28d4afac8e2312d8ecf87dfdad7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cxxfilt
 * [new ref]         d9548f7bc649d28d4afac8e2312d8ecf87dfdad7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9548f7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild