I was trying to clone a repo and was facing this issue, I tried removing all git related credentials from windows credentials manager after that while trying to clone git was asking me for my credentials and failing with error invalid username or password. This was happening because the repo I was trying to clone was under an organization on github and that organization had two factor auth enabled and git bash probably do not know how to handle 2fa. So I generated a token from https://github.com/settings/tokens and used the github token instead of password while trying to clone the repo and that worked.

检查url s.source是否正确。

为我树立榜样

// fail Project>>t<<est

s.source = { :git => '.../Projecttest-iOS', :tag => s.version.to_s }

// success    Project>>T<<est
s.source = { :git => '.../ProjectTest-iOS', :tag => s.version.to_s }

您可能正在尝试推送到私有存储库。在这种情况下，您必须请求管理员验证Collaborator访问。

我尝试了所有的方法，直到我意识到存储库所有者只给了我READ权限，所以Git会抛出“remote: repository not found”。

虽然前面的回复提供了各种解决方案，但我发现其中最简单的一个是将用户名添加到存储库的URL中

git remote add origin https://your-username@github.com/your-username/repository-name.git

如果你已经定义了存储库(没有添加用户名)，你可以按照以下方式更新它:

git remote set-url origin https://your-username@github.com/your-username/respository-name.git

当推送到远程存储库时，git不会从凭据助手中提取任何其他现有存储库的凭据，而是会询问用户/存储库在URL中定义的特定密码。

一般来说，我会不惜一切代价避免使用您的帐户密码，而是使用个人访问令牌。登录github，选择，

Settings > Developer Settings > Personal Access Tokens > Generate new token

只要确保在定义令牌范围时选中repo，并在要求输入密码时输入令牌(而不是您的个人密码)。

如果你在windows上得到控制面板-> windows凭据，然后从通用凭据选项删除github凭据。然后尝试克隆