prow/git/git.go
func (c *Client) SetCredentials(user string, tokenGenerator func() []byte) {
	c.credLock.Lock()
	defer c.credLock.Unlock()
	c.user = user
	c.tokenGenerator = tokenGenerator
}
func (c *Client) SetCredentials(user string, tokenGenerator func() []byte) {
	c.credLock.Lock()
	defer c.credLock.Unlock()
	c.user = user
	c.tokenGenerator = tokenGenerator
}
// SetCredentials sets credentials in the client to be used for pushing to
// or pulling from remote repositories.