thrasher

# clean the git config
git config --global --unset diff
git config --global --unset diff.external
git config --global --unset diff.tool
git config --global --unset difftool.prompt
git config --global --unset merge.tool

# configure for DiffMerge
# https://sourcegear.com/diffmerge/downloads.php
git config --global diff.tool diffmerge