Remove files from git history

git-scripts.sh

# FIND BIG FILES:

git rev-list --all --objects | \
    sed -n $(git rev-list --objects --all | \
    cut -f1 -d' ' | \
    git cat-file --batch-check | \
    grep blob | \
    sort -n -k 3 | \
    tail -n100 | \
    while read hash type size; do 
         echo -n "-e s/$hash/$size/p ";
    done) | \
    sort -n -k1


# REMOVE BIG FILES

git filter-branch -f  --index-filter \
    'git rm --force --cached --ignore-unmatch UNWANTED-DIR/UNWANTED-FILE.PSD' \
     -- --all
rm -Rf .git/refs/original && \
    git reflog expire --expire=now --all && \
    git gc --aggressive && \
    git prune