MarsSeed [1] filed a deletion request for diffimg [2]: Broken, unused legacy Qt4 app, last released in 2014. [a]
I recommend deletion, as there are working alternatives. [a]: https://sourceforge.net/projects/diffimg/files/2.2.0/ [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/diffimg/
