编辑 ~/.gitconfig
# add
[difftool "sourcetree"]
cmd = /usr/local/bin/ksdiff -- \"$LOCAL\" \"$REMOTE\"
path =
[mergetool "sourcetree"]
cmd = /usr/local/bin/ksdiff --merge --output \"$MERGED\" --base \"$BASE\" -- \"$LOCAL\" \"$REMOTE\"
trustExitCode = true
参考