dart 安装问题 fatal: ambiguous argument 'HEAD': unknown revision or path not in the

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  • 问题:
    • 学习dart,第一次运行时输出台:
    •   fatal: ambiguous argument 'HEAD': unknown revision or path not in the working tree.
        Use '--' to separate paths from revisions, like this:
       'git <command> [<revision>...] -- [<file>...]'
      
  • 解决: