git-filter-branch
References
bfg↔ fast alt togit-filter-branchto go 1984 on Git Repo - no filepath support, only discrete filename/foldername - RISKY! outputs changelog to .git.bfg-report
git-filter-branchbfg ↔ fast alt to git-filter-branch to go 1984 on Git Repo - no filepath support, only discrete filename/foldername - RISKY! outputs changelog to .git.bfg-report