git push
$git config --global push.default simple
$git push
fatal: The current branch feat01_enc_fujii has no upstream branch.
To push the current branch and set the remote as upstream, use
git push --set-upstream origin feat01
$git push --set-upstream origin feat01
Branch feat01 set up to track remote branch feat01 from origin.
Everything up-to-date
$git push
Everything up-to-date
