Question

I want to check a local branch currently tracking which remote branch

For example:

git checkout -b test_branch
git branch --set-upstream test_branch origin/remote_project001

But after a few days, I forget which remote branch test_branch is tracking.
Is there a command that can give me that information?

Answer 1

This is essentially a duplicate, but to briefly repeat that for your situation, you can do the following:

$ git checkout test_branch
$ git rev-parse --abbrev-ref --symbolic-full-name @{u}
origin/remote_project001

If you get the error:

error: No upstream branch found for ''
@{u}
error: No upstream branch found for ''
fatal: ambiguous argument '@{u}': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions

… then there is no remote-tracking branch configured to be upstream of your current branch.