Please enable fast forward for user branches

[Nick Alcock]

On 23 Mar 2021, Martin Liška verbalised:

> I would like to sync up my binutils user branches to the primary server.
> However, I can't do rebases which makes it not usable at all:
>
> $ git push origin me/startswith -f
> Enumerating objects: 257, done.
> Counting objects: 100% (257/257), done.
> Delta compression using up to 16 threads
> Compressing objects: 100% (140/140), done.
> Writing objects: 100% (140/140), 22.31 KiB | 951.00 KiB/s, done.
> Total 140 (delta 134), reused 0 (delta 0), pack-reused 0
> remote: Resolving deltas: 100% (134/134), completed with 117 local objects.
> remote: error: denying non-fast-forward refs/heads/users/marxin/startswith (you should pull first)
> To ssh://sourceware.org/git/binutils-gdb.git
>  ! [remote rejected]         me/startswith -> users/marxin/startswith (non-fast-forward)
> error: failed to push some refs to 'ssh://sourceware.org/git/binutils-gdb.git'

This is easy enough to work around, if annoyingly fiddly:

git push origin :users/marxin/startswith && git push origin me/startswith:users/marxin/startswith

(It's easy enough to script something that turns a forcepush into this
by looking at the branch's configured upstream.)

-- 
NULL && (void)