Actually, it doesn't end there.
Jesus stopped the fighting and healed the injured.
Read on a little further to Luke 22:49-51
When they which were about him saw what would follow, they said unto him, Lord, shall we smite with the sword?
And one of them smote the servant of the high priest, and cut off his right ear.
And Jesus answered and said, Suffer ye thus far. And he touched his ear, and healed him.
It doesn’t end there either.
Jesus told Peter to “Put up thy sword into the sheath:” He didn’t tell him to throw it away.
Psalms 144:1 Blessed be the LORD my strength, which teacheth my hands to war, and my fingers to fight: