understanding-git/basics/git-branches

#!/usr/bin/env bash

set -euo pipefail
scriptloc=$(cd $(dirname "${BASH_SOURCE[0]}") && pwd)

r() {
    cmd=$*
    echo "\$ $cmd"
    eval $cmd
    echo "------------"
}


tmpdir=$(mktemp -d)
pushd ${tmpdir}

# delete temporary directory on script exit
cleanup() {
    rm -rf "${tmpdir}"
}

trap cleanup EXIT

clear

# Initialise repository
r git init

git config --local user.name "Achilleas Koutsou"
git config --local user.email "ak@example.com"


echo "
# Demo repository

Repository for demonstrating git workflow and branches
" > README.md
git add README.md
git commit -m '"Initial commit: Add README"'
mkdir src
echo "import sys


def main():
    args = sys.argv
    print(f'Script name {args[0]}')
    print('Arguments received')
    for idx, arg in enumerate(sys.agv):
        print(f'{idx}: {arg}')

if __name__ == "__main__":
    main()
" > src/script.py
git add src
git commit -m '"Add script.py"'

clear
r git status
r git log
read
clear