

Some of those countrymen are conscripts. 2/3rds? Which makes continuation of battle far less justifiable IMO.
Some people will choose to fight in Ukraine, to possibly die in Ukraine. Conscripts face punishment for refusal.
How many of those fighting would refuse the peace deal?








At which point it simply gets forked from the last release/commit. Unless the project nukes all of the history and no one comes forward with a backup.
And, they would typically need the consent of every contributor to legally change the license, unless they had been forcing contributors to sign over rights to their code before contribution.