How can I express that I have completed task given somebody in polite manner?

Somebody asked me to rebase my github repository with his repository and I did it as per his/her request. How can I express it in polite manner?

Some sentences running in my mind are:

I did rebase with your master branch.

or

I have rebased with your master branch.

Solution 1:

How can I express that I have completed the (important) task given (optional: to me) by somebody (crucial) in a polite manner (also important)?

Now the question makes more sense.

Just take this example. Your father asks you "Did you go to the college?" You could simply reply "I went to the college."

Somebody asked you to rebase your github repo. you could answer "I rebased my github repo as you asked."

Just use a simple past tense.