Re: git fast-import : How to change parent during import?

>> Is it possible to change the parent of a commit during fast import?
>> I've tried using "reset" command and making a new commit pointing to a
>> new parent, but in both cases I get a "new tip ... does not contain
>> ..." error message.
>
> Have you tried "git fast-import --force"?

>> Providing a bit of context. I'm trying to improve git-p4 to detect the
>> parent commit of a new branch.
> [...]
>> To achieve this I used the checkpoint command to flush the list of
>> imported commits to disk and then used standard rev-list and diff-tree
>> commands to make find the parent commit. I am now at a point where I
>> am able to correctly identify the parent commit, but when trying to
>> update the from information I get the above message.
>
> The advice in the section "Use Tag Fixup Branches" of git-fast-import(1)
> might be useful.