The Messenger of Allah ﷺ never fought a people without first calling them to Islam.
حدثنا بشر بن السري حدثنا سفيان عن ابن أبي نجيح عن أبيه
ما قاتل رسول الله ﷺ قوما قط إلا دعاهم
No references are available.
Its isnad is sahih. Bishr bin Sari Basri is trustworthy. Ahmad said, "He was extremely precise in hadith, remarkably so." The hadith is a repetition of 2053.