git-eradicate (for video/parasite.avi)

gistfile1.txt

# All credits goes to "Vi." @ stackoverflow
# https://stackoverflow.com/questions/1029969/why-is-my-git-repository-so-big

git filter-branch -f  --index-filter \
    'git rm --force --cached --ignore-unmatch video/parasite-intro.avi' \
     -- --all
rm -Rf .git/refs/original && \
    git reflog expire --expire=now --all && \
    git gc --aggressive && \
    git prune