git_update/creation_repo.sh

#!/bin/bash
if [ -d performance_testing ]; then
    rm -rf performance_testing
fi

mkdir performance_testing
cd performance_testing
git init
git branch -m main
git remote add origin $1
git fetch origin
git merge
dd if=/dev/urandom of=sample0 bs=1M count=1
git add .
git commit -m"first 1M sample created"

git push -u origin main
git tag start
dd if=/dev/urandom of=sample1 bs=1M count=1
git add sample1
git commit -m"second 1M sample created"
git push
git branch secondary
git checkout secondary
dd if=/dev/urandom of=sample2 bs=500K count=1
git add sample2  
git commit -m"first 500K sample created in branch secondary"
git push -u origin secondary
git checkout main
dd if=/dev/urandom of=sample3 bs=1M count=1
git add sample3
git commit -m"third 1M sample created"
git push
dd if=/dev/urandom of=sample4 bs=5M count=1
git add sample4
git commit -m"first 5M sample created"
git push
rm sample4
git add sample4
git commit -m"sample4 deleted"
git push

#optional: tests to check if it has initialized correctly