To perform an export, similar to how tortoiseSVN does which allows exporting files from one or several revisions, along with their directory structure (which is convenient for a production deployment), simply execute the following command, specifying the previous revision and the latest revision:
git diff-tree -r --no-commit-id --name-only 6c16aaab 35168851| xargs tar -rf /var/www/delivery.tar
To completely remove a branch from your git server (including history), simply use the following command:git push origin --delete [branch name]Then you need to run the following command on the instances to remove the information of the deleted branch: git fetch --all --pruneIf for one reason or another, you need to delete one or more files from previous commits, here is an interesting article on the subject:https://help.github.com/articles/remove-sensitive-data/
To revert to a clean working copy, you can delete all the files in your directory, leaving the hidden git files, and run the following command:git reset --hard origin/dev