Hilco Wijbenga <hilco.wijbenga@xxxxxxxxx> writes: > On 25 January 2017 at 18:32, Junio C Hamano <gitster@xxxxxxxxx> wrote: >> I think you should be able to do something like >> >> $ cat >$HOME/bin/fail-3way <<\EOF >> #!/bin/sh >> git merge-file "$@" >> exit 1 >> EOF >> $ chmod +x $HOME/bin/fail-3way >> $ cat >>$HOME/.gitconfig <<\EOF >> [merge "fail"] >> name = always fail 3-way merge >> driver = $HOME/bin/fail-3way %A %O %B >> recursive = text >> EOF >> $ echo pom.xml merge=fail >>.gitattributes >> >> to define a custom merge driver whose name is "fail", that runs the >> fail-3way program, which runs the bog standard 3-way merge we use >> (so that it will do the best-effort textual merge) but always return >> with a non-zero status to signal that the result is conflicting and >> needs manual resolution. > > Thank you, that's an improvement. :-) Unfortunately, it still > completes the merge. Is there any way to simply get the >>>>>>>>>/<<<<<<<< markers? You can, but you need to write one yourself without relying on "git merge-file", because the whole point of the 3way merge we implement (including in that program) is "do not bother the user when both sides made the same change."