Re: [PATCH 6/6] Teach core object handling functions about gitlinks

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To: Martin Waitz <tali@...>
Cc: Junio C Hamano <junkio@...>, Alex Riesen <raa.lkml@...>, Git Mailing List <git@...>
Date: Wednesday, April 11, 2007 - 6:36 pm

On Thu, 12 Apr 2007, Martin Waitz wrote:

I don't think "everybody" wants it.

But the point is, *regardless* of whether you want a "detached HEAD" or 
you want a "'special' branch", you should always use HEAD to look up the 
commit, and using HEAD *allows* both (ie just make HEAD a symref to the 
'special' branch if you want that behaviour).

And if you *do* use a special branch, HEAD *must* match that special 
branch anyway, since when you commit in the supermodule, the only 
behaviour that makes sense is to commit the currently checked out state!


And that is entirely appropriate.

But that still means that HEAD must point to that branch (when in the 
submodule), since that branch must be the one that is checked out. If it 
isn't the branch that is checked out, normal operations like "git diff" 
etc wouldn't make sense from the supermodule.

And that is why *regardless* of whether you use a special branch or not, 
HEAD is the right thing to look up.

		Linus
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Messages in current thread:
[PATCH 0/6] Initial subproject support (RFC?), Linus Torvalds, (Tue Apr 10, 12:12 am)
Re: [PATCH 0/6] Initial subproject support (RFC?), Linus Torvalds, (Tue Apr 10, 12:46 am)
Re: [PATCH 0/6] Initial subproject support (RFC?), Alex Riesen, (Tue Apr 10, 9:04 am)
Re: [PATCH 0/6] Initial subproject support (RFC?), Martin Waitz, (Wed Apr 11, 4:32 am)
Re: [PATCH 0/6] Initial subproject support (RFC?), Alex Riesen, (Wed Apr 11, 4:42 am)
Re: [PATCH 0/6] Initial subproject support (RFC?), Martin Waitz, (Wed Apr 11, 4:57 am)
Re: [PATCH 0/6] Initial subproject support (RFC?), Linus Torvalds, (Tue Apr 10, 11:13 am)
Re: [PATCH 0/6] Initial subproject support (RFC?), Alex Riesen, (Tue Apr 10, 11:48 am)
Re: [PATCH 0/6] Initial subproject support (RFC?), Linus Torvalds, (Tue Apr 10, 12:07 pm)
Re: [PATCH 0/6] Initial subproject support (RFC?), Junio C Hamano, (Tue Apr 10, 3:32 pm)
Re: [PATCH 0/6] Initial subproject support (RFC?), Linus Torvalds, (Tue Apr 10, 4:11 pm)
Re: [PATCH 0/6] Initial subproject support (RFC?), Junio C Hamano, (Tue Apr 10, 4:52 pm)
Re: [PATCH 0/6] Initial subproject support (RFC?), Sam Ravnborg, (Tue Apr 10, 5:02 pm)
Re: [PATCH 0/6] Initial subproject support (RFC?), Junio C Hamano, (Tue Apr 10, 5:27 pm)
Re: [PATCH 0/6] Initial subproject support (RFC?), Nicolas Pitre, (Tue Apr 10, 5:03 pm)
Re: [PATCH 0/6] Initial subproject support (RFC?), J. Bruce Fields, (Sun Apr 15, 7:21 pm)
Re: [PATCH 0/6] Initial subproject support (RFC?), Alex Riesen, (Tue Apr 10, 12:43 pm)
Re: [PATCH 6/6] Teach core object handling functions about g..., Josef Weidendorfer, (Thu Apr 12, 11:12 am)
Re: [PATCH 6/6] Teach core object handling functions about g..., Linus Torvalds, (Wed Apr 11, 6:36 pm)
Re: [PATCH 6/6] Teach core object handling functions about g..., Josef Weidendorfer, (Tue Apr 10, 12:28 pm)
Re: [PATCH 6/6] Teach core object handling functions about g..., Josef Weidendorfer, (Tue Apr 10, 3:29 pm)
Re: [PATCH 6/6] Teach core object handling functions about g..., Josef Weidendorfer, (Tue Apr 10, 1:23 pm)
Re: [PATCH 6/6] Teach core object handling functions about g..., Frank Lichtenheld, (Tue Apr 10, 4:40 am)
[PATCH 5/6] Teach "fsck" not to follow subproject links, Linus Torvalds, (Tue Apr 10, 12:15 am)
Re: [PATCH 5/6] Teach "fsck" not to follow subproject links, Junio C Hamano, (Wed Apr 11, 10:00 pm)
Re: [PATCH 5/6] Teach "fsck" not to follow subproject links, Junio C Hamano, (Wed Apr 11, 10:06 pm)
Re: [PATCH 5/6] Teach "fsck" not to follow subproject links, Linus Torvalds, (Wed Apr 11, 10:28 pm)
Re: [PATCH 5/6] Teach "fsck" not to follow subproject links, Linus Torvalds, (Wed Apr 11, 10:14 pm)
Re: [PATCH 5/6] Teach "fsck" not to follow subproject links, Linus Torvalds, (Fri Apr 13, 11:23 am)
Re: [PATCH 5/6] Teach "fsck" not to follow subproject links, Junio C Hamano, (Wed Apr 11, 10:30 pm)
[PATCH 3/6] Add 'resolve_gitlink_ref()' helper function, Linus Torvalds, (Tue Apr 10, 12:14 am)
Re: [PATCH 3/6] Add 'resolve_gitlink_ref()' helper function, Linus Torvalds, (Tue Apr 10, 10:58 am)
Re: [PATCH 3/6] Add 'resolve_gitlink_ref()' helper function, Josef Weidendorfer, (Tue Apr 10, 11:54 am)
Re: [PATCH 3/6] Add 'resolve_gitlink_ref()' helper function, Linus Torvalds, (Tue Apr 10, 11:52 am)
Re: [PATCH 3/6] Add 'resolve_gitlink_ref()' helper function, Linus Torvalds, (Tue Apr 10, 12:16 pm)