Git: reset other branch to current without a checkout

Question

I'm writing some scripts for my Git workflow.

I need to reset other (existing) branch to the current one, without checkout.

Before:

 CurrentBranch: commit A
 OtherBranch: commit B

After:

 CurrentBranch: commit A
 OtherBranch: commit A

Equivalent of

 $ git checkout otherbranch 
 $ git reset --soft currentbranch
 $ git checkout currentbranch

(Note --soft: I do not want to affect working tree.)

Is this possible?

Answer 1

The workflows you describe are not equivalent: when you perform reset --hard you lose all the changes in the working tree (you might want to make it reset --soft).

What you need is

git update-ref refs/heads/OtherBranch refs/heads/CurrentBranch