Hi, same problem with all program, There is a crash before the launch > git difftool --dir-diff 4cb98b4a307ce97d9e6b8e4b03211fa5ca8af7e7 0244799661b993b1f78fa5afb621de3fe4c4a39c -- fatal: could not open '/tmp/git-difftool.g80nLO/left/jenkins.war' for writing: Permission denied > git difftool --dir-diff --dir-diff --tool=kdiff3 4cb98b4a307ce97d9e6b8e4b03211fa5ca8af7e7 0244799661b993b1f78fa5afb621de3fe4c4a39c -- fatal: could not open '/tmp/git-difftool.R1NgMw/left/jenkins.war' for writing: Permission denied > git difftool --dir-diff --dir-diff --tool=bc3 4cb98b4a307ce97d9e6b8e4b03211fa5ca8af7e7 0244799661b993b1f78fa5afb621de3fe4c4a39c -- fatal: could not open '/tmp/git-difftool.MNyx8b/left/jenkins.war' for writing: Permission denied > git difftool --dir-diff --dir-diff --tool=kompare 4cb98b4a307ce97d9e6b8e4b03211fa5ca8af7e7 0244799661b993b1f78fa5afb621de3fe4c4a39c -- fatal: could not open '/tmp/git-difftool.lj82wR/left/jenkins.war' for writing: Permission denied Le ven. 25 mai 2018 à 07:40, Christian Couder <christian.couder@xxxxxxxxx> a écrit : > Hi, > On Thu, May 24, 2018 at 11:11 PM, Etienne d'Hautefeuille > <sagoum.kakoum@xxxxxxxxx> wrote: > > > > #try a diff > > git difftool --dir-diff 4cb98b4a307ce97d9e6b8e4b03211fa5ca8af7e7 > > 0244799661b993b1f78fa5afb621de3fe4c4a39c > > fatal: impossible d'ouvrir '/tmp/git-difftool.UQ4mqo/left/jenkins.war' en > > écriture: Permission non accordée > You should use LANG=C so that people can understand the error message. > Also git difftool launches another program that will actually perform > the diff. It looks like it is bcompare on your setup. Did you try with > another program?