Re: IRC discussion re: submodules & missing refs/heads/master

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On 19 April 2012 09:14, Heiko Voigt <hvoigt@xxxxxxxxxx> wrote:
> From the subject I deduce that you have a some problem involving
> submodules. Could you please clearly summarise what you found and
> possibly provide a recipe (script snippet) how to reproduce the issue?
>

The transcript was provided for context, after the transcript are
details of the problem and solution.

Summarised is as follows:

on 1.7.8.5 ,  running "git gc" while inside a submodule path removes
refs/heads/master  for that submodule in ~/.git/modules  , and for
some reason, sub-modules still require those files to work properly at
1.7.8.5 , ( which results in 'git status' bailing with 'oops' from the
main repo )

Migrating to a newer git makes the problem vanish, as the newer git
uses info/refs for both the main repo and the submodule, and the
presence/absense of refs/heads/master is unimportant.

Solving it is reasonably straight forward on 1.7.8.5, manually extract
the SHA1 from the modules info/refs file, and inject it back into the
relevant file refs/heads/master  , and things return to normal.


-- 
Kent

perl -e  "print substr( \"edrgmaM  SPA NOcomil.ic\\@tfrken\", \$_ * 3,
3 ) for ( 9,8,0,7,1,6,5,4,3,2 );"

http://kent-fredric.fox.geek.nz
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