Re: git submodules

[Pierre Habouzit <madcoder@debian.org>]

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On Tue, Jul 29, 2008 at 08:18:12AM +0000, Nigel Magnay wrote:
> >> I try to keep all my submodules on (no branch) as much as possible.
> >> In a way, I feel like that kind of relieves me of the chore of keeping
> >> mapping superproject branches to submodule branches in my head.
> >
> > At my former day-job we wrote our own "git submodule" in our
> > build system before gitlink was available in the core, let alone
> > git-submodule was a Porcelain command.
> >
> > Many developers who were new to Git found having a sea of 11 Git
> > repositories+working directories in a single build area difficult to
> > manage.  They quickly found the detached HEAD feature in a submodule
> > to be a really handy way to know if they made changes there or not.
> >
> > Most of our developers also modified __git_ps1() in their bash
> > completion to use `git name-rev HEAD` to try and pick up a remote
> > branch name when on a detached HEAD.  This slowed down their bash
> > prompts a little bit, but they found that "origin/foo" hint very
> > valuable to let them know they should start a new branch before
> > making changes.
> >
> > So I'm just echoing what Benjamin said above, only we did it
> > independently, and came to the same conclusion.
> >
> 
> Hm.
> My developers are (mostly) on windows, so "altering PS1" or even
> writing "shell scripts" is way beyond them.

  More importantly, you don't have all your submodule states in your PS1
so this argument is already moot for *nix users as well.

> They want it to "just work" (where their previous experience is SVN
> superprojects with multiple svn:externals). I have a hard time
> justifying the experience that if we're all working on master, then as
> soon as Joe Q developer does 'submodule update' then poof - his heads
> are disconnected.

  Well, maybe it's not as hard, maybe what we lack are just submodule
aware porcelains (I mean we lack those for sure, but maybe it's also
the _only_ thing we miss to have a better user experience, and I begin
to believe it).

-- 
·O·  Pierre Habouzit
··O                                                madcoder@debian.org
OOO                                                http://www.madism.org

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