# Create a repository with one commit git init -q printf "Hello World\nWelcome to Git\n" > index.html git add index.html git commit -q -m "First version" # Change the first line on a new branch git switch -q -c new-title sed -i 's/Hello World/Hello Git/' index.html git commit -q -a -m "New title" git switch -q main git diff main..new-title --stat