mergetools/meld


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diff_cmd () {
	"$merge_tool_path" "$LOCAL" "$REMOTE"
}

merge_cmd () {
	if test -z "${meld_has_output_option:+set}"
	then
		check_meld_for_output_version
	fi
	touch "$BACKUP"
	if test "$meld_has_output_option" = true
	then
		"$merge_tool_path" --output "$MERGED" \
			"$LOCAL" "$BASE" "$REMOTE"
	else
		"$merge_tool_path" "$LOCAL" "$MERGED" "$REMOTE"
	fi
	check_unchanged
}

# Check whether 'meld --output <file>' is supported
check_meld_for_output_version () {
	meld_path="$(git config mergetool.meld.path)"
	meld_path="${meld_path:-meld}"

	if "$meld_path" --output /dev/null --help >/dev/null 2>&1
	then
		meld_has_output_option=true
	else
		meld_has_output_option=false
	fi
}