$ git clone -n https://src.fedoraproject.org/rpms/mingw-qt5-qtwinextras.git /var/lib/mock/f40-build-2673695-67646/root/chroot_tmpdir/scmroot/mingw-qt5-qtwinextras
Cloning into '/var/lib/mock/f40-build-2673695-67646/root/chroot_tmpdir/scmroot/mingw-qt5-qtwinextras'...
$ git fetch origin 7aadc702232554d50b04e123e866f9a74cfa2a08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qt5-qtwinextras
 * [new ref]         7aadc702232554d50b04e123e866f9a74cfa2a08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7aadc70 Update to 5.15.12