[Rd] Why R should never move to git

Gábor Csárdi csardi.gabor at gmail.com
Thu Jan 25 00:35:07 CET 2018

When you create a branch for your bug fix, don't create it off the
previous fix. Create it off the original, forked state of the repo.

Are the two commits here your fixes?


On Wed, Jan 24, 2018 at 11:17 PM, Duncan Murdoch
<murdoch.duncan at gmail.com> wrote:
> Lately I've been doing some work with the manipulateWidget package, which
> lives on Github at
> https://github.com/rte-antares-rpackage/manipulateWidget/.  Last week I
> found a bug, so being a good community member, I put together a patch.
> Since the package lives on Github, I followed instructions to put together a
> "pull request":
> - I forked the main branch to my own Github account as
> <https://github.com/dmurdoch/manipulateWidget>.
> - I checked out my fork into RStudio.
> - I fixed the bug, and submitted the pull request
> <https://github.com/rte-antares-rpackage/manipulateWidget/pull/47>.
> Then I felt good about myself, and continued on with my work.  Today I
> tracked down another bug, unrelated to the previous one.  I know enough
> about git to know that I shouldn't commit this fix to my fork, because it
> would then become part of the previous pull request.
> So I created a branch within my fork, and committed the change there. But
> Github provides no way to create a pull request that only includes the new
> stuff!  Every attempt I made would have included everything from both bug
> fixes.
> I've read online about creating a new branch based on the master copy, and
> "cherry picking" just the final change:  but all the instructions I've tried
> so far have failed.
> Okay, I know the solution:  I need to burn the whole thing down (to quote
> Jenny Bryan).  I'll just create a new fork, and put the new bug fix in a
> branch there.
> I can't!  I don't know if this is a Git restriction or a Github restriction,
> but it won't let me create a new fork without deleting the old one.  I don't
> know if deleting the previous fork would also delete the previous PR, so I'm
> not going to do this.
> This is ridiculous!  It is such an easy concept:  I want to take the diff
> between my most recent commit and the one before, and send that diff to the
> owners of the master copy.  This should be a trivial (and it is in svn).
> Git and Github allow the most baroque arrangements, but can't do this simple
> task.  That's an example of really bad UI design.
> Duncan Murdoch
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel

More information about the R-devel mailing list