@tsutsuii ここらへんですかね https://git-scm.com/book/ja/v1/Git-%E3%81%AE%E3%81%95%E3%81%BE%E3%81%96%E3%81%BE%E3%81%AA%E3%83%84%E3%83%BC%E3%83%AB-Git-%E3%81%AB%E3%82%88%E3%82%8B%E3%83%87%E3%83%90%E3%83%83%E3%82%B0
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