I just want to point out that since the last discussion we collected some migration advice at http://hackage.haskell.org/trac/ghc/wiki/GitForDarcsUsers Some of it may be untested (or wrong), but it should be a good starting point. On 10 January 2011 22:15, Neil Mitchell wrote:

...

As another non-GHC contributor, my opinion should probably also count for little, but my experience with git has been poor.

I have used git daily in my job for the last year.  Like Simon PJ, I struggle to understand the underlying model of git, despite reading quite a few tutorials.  I have a high failure rate with attempting anything beyond the equivalents of darcs record, push, and pull.

I'm in exactly the same camp as Malcolm. I don't understand git, and I end up deleting the entire repo and starting again every time I try and do anything clever - something I've never needed to do with darcs. I consider the git equivalent of "darcs unrecord" to be "rm -rf", but I'm sure that's a lack of knowledge/intuition on my part.

All my git dislike aside, I wouldn't worry about git and Windows. GHC on Windows already drags in plenty of dependencies from Cygwin or Mingw, both of which provide workable git binaries, and none of which ever seem to have caused a problem. The standard gui's (gitk and git gui) both work on Windows, and I certainly miss them when using darcs.

Thanks, Neil

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So the basic point seems to be: "if you know how to use a tool, you don't usually curse and swear when you use it. If you don't, you tend to swear a lot!" :) On Mon, Jan 10, 2011 at 5:32 PM, Adam Wick wrote:

On 01/10/2011 08:52 AM, Malcolm Wallace wrote:

...

If I were considering contributing minor patches to a project, the use of git would probably not deter me too much - I can cope with the simple stuff. But if I wanted more major involvement, git would definitely cause me to think twice about whether to bother.

And just to show that you can't make everyone happy ... I'll put in an equal-and-opposite vote from Malcolm. GHC's use of darcs is a blocker for me even thinking about doing any work on GHC or the related libraries; my limited experience with darcs has been terrible, and the swearing I've heard about darcs makes me think my experience was not unique. Switching to git would make the chance that I'd do work on GHC nonzero.

- Adam

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