hint: You have divergent branches and need to specify how to reconcile them.
hint: You can do so by running one of the following commands sometime before
hint: git config pull.rebase false # merge
hint: git config pull.rebase true # rebase
hint: hint: You can replace "git config" with "git config --global" to set a default hint: preference for all repositories. You can also pass --rebase, --no-rebase,
hint: or --ff-only on the command line to override the configured default per hint: invocation. Need to specify how to reconcile divergent branches.
위와 같은 에러가 날 경우
1. git pull --ff-only
2. git config --global pull.ff only
위의 두 명령어 실행하면 해결 된다.