On Sun, Jul 28, 2013 at 3:49 PM, Ramkumar Ramachandra
<artag...@gmail.com> wrote:
> Duy Nguyen wrote:
>> I think instead of letting the kernel walk the path, emacs does it by
>> itself.
> If this were true, shouldn't we be able to reproduce the behavior with
> my no-submodules symlink testcase?  How can it resolve symlinks in one
> case, and not in the other case?

In the no-submodules symlink test case, the path given to the editor
is .git/COMMIT_EDITMSG, no following ".." back in the symlink target.
This bug can be reproduced without git involved:

mkdir z z/a z/b
echo ha >z/a/file
ln -s z/b
cd b
cat ../a/file
emacs ../a/file # fail to open 'file'
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