$ git clone -n https://src.fedoraproject.org/rpms/kdebase3.git /var/lib/mock/f37-build-650219-72752/root/chroot_tmpdir/scmroot/kdebase3
Cloning into '/var/lib/mock/f37-build-650219-72752/root/chroot_tmpdir/scmroot/kdebase3'...
$ git reset --hard c6bbd9c30e872946d9d3472ddaff4a404b9aebc0
HEAD is now at c6bbd9c fixed FTBFS