git (am/rebase) code example

Example 1: git rebase

#The branches are like this
          A---B---C topic
         /
    D---E---F---G main
#git rebase <base> <target>
git rebase master topic
#<target> get moved forward on <base>
#NOTE: commits on <target> change their hash
                  A°--B°--C° topic
                 /
    D---E---F---G main

Example 2: git rebase

git rebase -i --root
git rebase -i HEAD~3