flutter upgrade to use "--force" command
[flutter] flutter upgrade]
[Your flutter checkout has local changes that would be erased by upgrading. If you want to keep these changes, it is recommended that you stash them via "git stash" or else commit the changes to a local branch. If it is okay to remove local changes, then re-run this command with --force.
exit code 1]. LINK: https://github.com/flutter/flutter-in... ANDhttps://github.com/flutter/flutter/is... subscribe for to this channel for weekly update. THANK'S.