[llvm-dev] Allowing PRs on GitHub for some subprojects

[Shoaib Meenai via llvm-dev]

Ah, that's a fair point. Yeah, that's unfortunate.

On 3/3/20, 2:21 PM, "ldionne at apple.com on behalf of Louis Dionne" <ldionne at apple.com> wrote:

    
    
    > On Mar 3, 2020, at 17:16, Shoaib Meenai <smeenai at fb.com> wrote:
    > 
    > `arc patch` should preserve the author information in the original commit, if there was any. At least it has in my experience.
    
    Yes, but I think people can upload raw patches to Phabricator without using `arc diff`. I know I ran into one of these just last week where I used Johannes' script (thanks!) and ended up still having to find the committer's email by other means.
    
    Louis
    
    > 
    > On 3/3/20, 1:44 PM, "llvm-dev on behalf of Louis Dionne via llvm-dev" <llvm-dev-bounces at lists.llvm.org on behalf of llvm-dev at lists.llvm.org> wrote:
    > 
    > 
    > 
    >> On Feb 20, 2020, at 14:25, Johannes Doerfert <johannesdoerfert at gmail.com> wrote:
    >> 
    >> On 02/20, Louis Dionne via llvm-dev wrote:
    >>> I know there has been significant discussion about "moving" from
    >>> Phabricator to GitHub reviews and pull requests, etc. I'm not
    >>> suggesting that we do anything in terms of global LLVM policy.
    >>> However, as a maintainer of libc++, I commit __a lot__ of other
    >>> people's code for them. It would be a huge time saver for me if I
    >>> could nicely suggest to contributors (not force them) to use PRs
    >>> instead of Phabricator for their contributions. It would also handle
    >>> commit attribution properly, which is a pain right now.
    >> 
    >> Don't take this as me telling you it is "actually simple". I am
    >> interested what about the contribution is problematic? If the libc++
    >> system doesn't have more requirements than the rest of LLVM there might
    >> be ways to make it less painful. FWIW, here is what I do, and I know not
    >> everyone wants to use `arc`. Ina script this could potentially reduce
    >> the pain. Again, this is not meant to tell you it is simple or your
    >> problems are not real.
    >> 
    >> arc patch DXXXX
    >> git pull --rebase origin master
    >> arc amend
    >> arcfilter        // see below
    >> git llvm push master
    >> 
    >> 
    >> arcfilter () { git log -1 --pretty=%B | awk '/Reviewers:|Subscribers:/{p=1} /Reviewed By:|Differential Revision:/{p=0} !p && !/^Summary:/' | git commit --amend -F - }
    > 
    >    Thanks, this indeed solves some of my problems, however not entirely. When people submit contributions without an email address, I still have to do some digging to find out how to attribute the change. This shouldn't be something I even have to think about.
    > 
    >    Louis
    > 
    >> 
    >>> Would it be possible to allow GitHub PRs to be submitted on the
    >>> monorepo so as to let individual sub-projects deal with it however
    >>> they please? I've spoken to numerous people involved in libc++
    >>> development and they would like to start submitting PRs (and for the
    >>> others, we'll still accept Phabricator reviews). Perhaps it is
    >>> possible to setup some kind of filter such that PRs touching only
    >>> libcxx/ and libcxxabi/ can be submitted, but otherwise they're closed
    >>> by the bot?
    >> 
    >> TBH, I feel this is yet another way of splitting the community and in
    >> the end complicating things even more. I mean, since recently if you
    >> want to ask a question there were the *-dev lists and the IRC. Now we
    >> have discourse, discord on top of that with some people monitoring only
    >> one of these and others required to monitor both. Duplicating the way we
    >> do reviews is similarly going to require people that want to be informed
    >> to duplicate their lookups.
    >> 
    >> Cheers,
    >> Johannes
    >> 
    > 
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