This script helps to remove specified files or folders from the whole GIT repository history

git-remove-large-files

#!/bin/bash
# 1. list git branches
# 2. iterate thru branches
# 3. for each branch do git filter-branch --index-filter "git rm -rf --cached --ignore-unmatch FILENAME" HEAD
filepath=$1
remove_large_files(){
for branch in $(git branch)
do
        echo "Removing ${filepath} from ${branch}"
        git filter-branch -f --index-filter "git rm -rf --cached --ignore-unmatch ${filepath}" $branch
done
        rm -rf .git/refs/original/ && git reflog expire --all &&  git gc --aggressive --prune
}
case "$1" in
        "")
        echo "Please specify file path to be removed"
        echo "Example: git-remove-large-files.sh htdocs/large_dump.sql"
        exit 1
;;
*)
        remove_large_files
;;
esac
exit 0