Git - remove old blobs

[apos]

• https://netdevops.me/2021/remove-binaries-and-big-files-from-git-repo/
• https://opensource.com/life/16/8/how-manage-binary-blobs-git-part-7
• https://docs.gitlab.com/ee/user/project/repository/reducing_the_repo_size_using_git.html
• https://htmlpreview.github.io/?https://github.com/newren/git-filter-repo/blob/docs/html/git-filter-repo.html#EXAMPLES

[apos]

1. Did an rsync copy (without .git dir)
2. Removed directories 3d and media with https://gist.github.com/JackDanger/539060
3. Readded 3d and media dir
4. Repushed

[apos]

[2.] rewrote the script for use with git-filter-repo:

• https://marcofranssen.nl/remove-files-from-git-history-using-git-filter-repo

#!/bin/bash
set -o errexit

# Author: David Underhill
# Rewrote for usage with git filter repo
# Script to permanently delete files/folders from your git repository.  To use
# it, cd to your repository's root and then run the script with a list of paths
# you want to delete, e.g., git-delete-history path1 path2
#
#  retrieved from: http://dound.com/2009/04/git-forever-remove-files-or-folders-from-history/
#

if [ $# -eq 0 ]; then
    echo "You need to specify a list of paths you like to remove."
    exit 1
fi

if [ which git-filter-repo ]
then
        echo -n ""
else
        echo "Please instlal git-filter-repo"
        exit 1
fi

echo "Try creating a backup for safty (requires rsync - in any case!)"
if which rsync
then
        myRepo="$(pwd)"
        if [ -f git_backup_made_$(date +%F) ]
        then
                echo "There is already a backup of your git :-)"
                echo "${myRepo}_backup_$(date +%F)"
        else
                rsync -av --delete "${myRepo}/." "${myRepo}_backup_$(date +%F)"
                touch git_backup_made_$(date +%F)
        fi
else
        echo "rsync MUST be installed. You need a backup"
        exit 1
fi

# make sure we're at the root of git repo
if [ ! -d .git ]; then
    echo "Error: must run this script from the root of a git repository"
    exit 1
fi

# remove all paths passed as arguments from the history of the repo
firs=$@
git filter-repo --path ${dirs} --invert-paths --force