Truncate git history to last state on remote repository (alternative variant)

truncate.sh

#!/usr/bin/env sh

# backup repo config
cp .git/config /tmp/truncate.git.config

# cleanup history
rm -rf .git
git init

# restore repo config
mv /tmp/truncate.git.config .git/config

# optional step
git branch -m main

# make first commit
git add .
git commit -m 'initial'

# truncate history on remote repo
git push --force

Made this as alternative to common approach.
This method preserves repository config.
One thing is to deal with branch name.