Definitive retroactive .gitignore (how to make Git **properly forget** (historically) about a file now in .gitignore)
问题 Note : This question attempts to clear the confusion regarding applying .gitignore retroactively , not just to the present/future. 1 If you think this is a valuable question, please upvote it! Rationale I've been searching for a way to make my current .gitignore be retroactively enforced, as if I had created .gitignore in the first commit . A proper solution: Will NOT require manually specifying files Will NOT require a commit Will apply retroactively to all commits of all branches Will