Git

git pull origin master --allow-unrelated-histories
git push
git pull

echo "# test" >> README.md
git init
git config init.defaultBranch main
git add README.md
git commit -m "first commit"
git branch -M main
git remote add origin git@github.com:stoege/test.git
git push -u origin main

git log --diff-filter=D --summary

commit abcecadce91af3814662fa6a04d0f12e361f0574
Date:   Sun May 31 23:19:59 2020 +0200

    update

 delete mode 100644 master/sed.tcpdump

commit 81ae58d70c27d02eb2f65beed4fe0b571073f087
Date:   Fri May 29 16:06:14 2020 +0200

    update

git checkout 81ae58d70c27d02eb2f65beed4fe0b571073f087 sed.tcpdump

git filter-branch --force --index-filter \
'git rm --cached --ignore-unmatch .geheimesfile' \
--prune-empty --tag-name-filter cat -- --all

git push origin --force --all

git push origin --force --tags

git reset --soft HEAD~1