Why is my git repository so big?

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Some scripts I use:

git-fatfiles

git rev-list --all --objects | \
    sed -n $(git rev-list --objects --all | \
    cut -f1 -d' ' | \
    git cat-file --batch-check | \
    grep blob | \
    sort -n -k 3 | \
    tail -n40 | \
    while read hash type size; do 
         echo -n "-e s/$hash/$size/p ";
    done) | \
    sort -n -k1

...
89076 images/screenshots/properties.png
103472 images/screenshots/signals.png
9434202 video/parasite-intro.avi

If you want more lines, see also Perl version in a neighbouring answer: https://stackoverflow.com/a/45366030/266720

git-eradicate (for video/parasite.avi):

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

Note: the second script is designed to remove info from Git completely (including all info from reflogs). Use with caution.

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