[commit: ghc] master: Convert haddock into a proper submodule (re #8545) (34b0721)

[Simon Marlow]

Thanks for the wiki page.  One thing missing I noticed is what happens 
the next time you update your tree, after having checked out master (or 
a branch) in one of the submodules.

Cheers,
Simon

On 23/03/2014 21:03, Herbert Valerio Riedel wrote:
> On 2014-03-23 at 19:53:55 +0100, Simon Peyton Jones wrote:
>> Do us naïve users need to change our workflow with these submodule
>> changes?
>
> Probably yes... to some extent at least; that's why only haddock.git has
> been converted for now[1]: to find out empirically what's involved
> before continuing with the submodule-conversion.
>
> I've tried to describe one possible workflow (for if you need to publish
> a modification to haddock.git) at
>
>    https://ghc.haskell.org/trac/ghc/wiki/WorkingConventions/Git/Submodules#MakingchangestoGHCsubmodules
>
> I hope it makes a bit of sense :-)
>
> IMO, it's quite useful to familiarize oneself with the 'git submodule'
> family of commands, and especially 'git submodule' and 'git submodule
> summary', as those two introspection commands allow one to get a better
> picture in which state the currently cloned GHC working tree's
> submodules are.
>
>   [1]: OTOH, haddock.git is not the first/only proper Git submodule we
>        have so far; so, in some way this isn't much of a change...
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