git config credential.helper store not in a git directory code example
Example 1: git config credential.helper store
$ git config credential.helper store
$ git push http://example.com/repo.git
Username: <type your username>
Password: <type your password>
[several days later]
$ git push http://example.com/repo.git
[your credentials are used automatically]
Example 2: git use file credential
$ git config credential.helper store