git/mergetools/kdiff3

diff_cmd () {
	"$merge_tool_path" \
		--L1 "$MERGED (A)" --L2 "$MERGED (B)" \
		"$LOCAL" "$REMOTE" >/dev/null 2>&1
}

merge_cmd () {
	if $base_present
	then
		"$merge_tool_path" --auto \
			--L1 "$MERGED (Base)" \
			--L2 "$MERGED (Local)" \
			--L3 "$MERGED (Remote)" \
			-o "$MERGED" "$BASE" "$LOCAL" "$REMOTE" \
		>/dev/null 2>&1
	else
		"$merge_tool_path" --auto \
			--L1 "$MERGED (Local)" \
			--L2 "$MERGED (Remote)" \
			-o "$MERGED" "$LOCAL" "$REMOTE" \
		>/dev/null 2>&1
	fi
}