$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt5-qtwinextras.git /var/lib/mock/f39-build-1820647-41839/root/chroot_tmpdir/scmroot/mingw-qt5-qtwinextras
Cloning into '/var/lib/mock/f39-build-1820647-41839/root/chroot_tmpdir/scmroot/mingw-qt5-qtwinextras'...
$ git fetch origin e3258e8ca959b08dfa09742aae85e90e6fa3d8c0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt5-qtwinextras
 * [new ref]         e3258e8ca959b08dfa09742aae85e90e6fa3d8c0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3258e8 Update to 5.15.11