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subst "s/Theme=.*/Theme=sisyphus/" /etc/plymouth/plymouthd.conf [ -f /etc/sysconfig/grub2 ] && \ subst "s|GRUB_WALLPAPER=.*|GRUB_WALLPAPER=/usr/share/plymouth/themes/sisyphus/grub.jpg|" \ /etc/sysconfig/grub2 ||: