has no upstream branch

To have this happen automatically for branches without a tracking
upstream, see 'push.autoSetupRemote' in 'git help config'.

Related

• fatal: You are not currently on a branch

See also

• git push [ -v | --set-upstream | -o | --set-upstream origin master | -u origin main | origin master | -u origin master | --delete master | -u | origin HEAD | --dry-run ], Git: upstream, git push --force