I think I posted about this before, but I can't find it in my git

[EMAIL PROTECTED]:[linux-2.6-arm] $ cg-update origin
`../linux-2.6/.git/refs/heads/master' -> `.git/refs/heads/origin'
cp: cannot create link 
`.git/objects/00/ae0c9f3bc24856e7c9fcdf690466f1bbe0a4df': File exists
cp: cannot create link 
`.git/objects/01/5bd2cf869f70ec708558f1d37980a8b4968604': File exists
cp: cannot create link 
`.git/objects/02/c7e335d3ef3998dfb49673654152fb10124d2f': File exists

Consider this flow of changes (which represents how I work):

        Linus' kernel.org tree --> Local pristine tree
                ^   ^                |            |
                |   |                v            v
                |   |        working tree 1   working tree 2
                |   |                |            |
                |   `----------------'            |

Changes are made in working tree 1, and made available to Linus.  Linus
merges them into his tree.  I pull them into the pristine tree.  Assume
other changes occurred. in Linus' tree.

The pristine tree is obviously a superset of the working tree.

What happens when I pull those changes back into working tree 1, given
that cogito uses "cp -va -ul".

The pristine tree now contains the GIT objects which I created in tree 1.
For whatever reason I don't understand, they are dated after the same
objects in tree 1.  Therefore, because of `-u', cp will want to update
them - by replacing the object with a link.  It refuses.

Last time this was discussed, someone suggested -f, which solved the
problem.  Can we please modify the cg-pull script to use -f ?

Secondly, can I suggest that cogito developers consider the above
usage scenario and construct a regression test for it to ensure that
future breakages of this nature are caught.  For me, cogito has been
extremely fragile, and I don't think the above usage is unreasonable.

Russell King

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