Re: error: Can't cherry-pick into empty head

> Hello everyone,
> 
> I'm trying to understand why I'm getting the error as per subject.
> 
> The scenario is the following: I'm on the master branch (which
> contains several commits) and I would like to create a new empty
> branch (let's call it new-orphan) and cherry-pick only the commits
> related to a specific folder (let's call it my-folder) from the master
> branch.
> 
> So, I tried the following command sequence:
> 
>   master $ git checkout --orphan new-orphan
>   new-orphan $ git rm --cached -r .
>   new-orphan $ git clean -df
> 
> After confirming that I'm in a clean state (with "$ git status") I tried:
> 
>   new-orphan $ git rev-list --reverse master -- my-folder/ | git
> cherry-pick --stdin
> 
> as suggested https://git-scm.com/docs/git-cherry-pick, but what I get
> is "error: Can't cherry-pick into empty head".
> 
> What I don't really understand is:
> 
> 1) if I cherry-pick a single commit instead of multiple commits,
> everything works fine:
> 
>   new-orphan $ git cherry-pick <some-commit-id>
> 
> 2) if I commit something before trying the above command, everything works fine:
> 
>   new-orphan $ touch README
>   new-orphan $ git add README
>   new-orphan $ git commit -m "added README"
>   new-orphan $ git rev-list --reverse master -- my-folder/ | git
> cherry-pick --stdin
> 
> Can someone please help me understand this?