On Tue, May 16, 2017 at 5:55 PM, Matthew Groth <mgroth49@xxxxxxxxx> wrote: > I needed to use `git config mergetool.meld.hasOutput false` Hm, that's interesting - the source code snippet you quoted from meld implies it supports --output. What version of meld do you have? David Aguilar seems to be the one who's contributed most of the meld code, perhaps he might have an idea about why this is happening.