====== Git: remove sensitive data ======
Link: [[https://help.github.com/articles/remove-sensitive-data]]
  - show all files (current & historical)\\ <code bash>git log --all --pretty=format: --name-only | sort -u | uniq</code>
  - completely remove file from git (including history)\\ <code bash>git filter-branch -f --index-filter 'git rm --cached --ignore-unmatch <filename>' --prune-empty --tag-name-filter cat -- --all</code>
  - remove backups\\ <code bash>rm -rf .git/refs/original/</code>maybe replaced by<code bash>git for-each-ref --format="%(refname)" .git/refs/original/ | xargs -n 1 git update-ref -d</code>
  - delete unreachable commits\\ <code bash>git reflog expire --expire=now --all</code>
  - start garbage collection\\ <code bash>git gc --prune=now</code><code bash>git gc --aggressive --prune=now</code>
  - push changes\\ <code bash>git push origin master --force</code>
<note>If this step fails, you've to set //denyNonFastforwards = false//.</note>