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=== Создать новую ветку: ===
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git checkout -b feature/newbranch
git push --set-upstream origin feature/newbranch

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=== Получить дату создания файла: ===
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git log --follow --format=%ad --date default <FILE> | tail -1

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=== Клонировать репозиторий в новый репозиторий (https://docs.github.com/en/repositories/creating-and-managing-repositories/duplicating-a-repository):
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== Create a bare clone of the repository ==
git clone --bare https://github.com/EXAMPLE-USER/OLD-REPOSITORY.git
== Mirror-push to the new repository ==
cd OLD-REPOSITORY.git
git push --mirror https://github.com/EXAMPLE-USER/NEW-REPOSITORY.git
== Remove the temporary local repository you created earlier ==
cd ..
rm -rf OLD-REPOSITORY.git

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=== Клонировать конкретную ветку:
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git clone -b <branch> <remote_repo>