test-mq.t failure and how to avoid it

[Mads Kiilerich]

On 12/08/2010 04:21 PM, Giorgos Keramidas wrote:
> I tried creating an hg repository as a test for tracking the files of a
> virtual machine's root filesystem, but this seems to be a bad idea for
> the hg test-suite.  One of the tests tries to create an mq-subrepo in a
> directory that has no .hg root.
>
> The expected error message is:
>
>    abort: there is no Mercurial repository here (.hg not found)
>
> But if there's an /.hg repo at the root of the filesystem, e.g. one
> owned by the 'root:wheel' user the test command fails with:
>
>    $ hg init --mq
>    abort: Permission denied: /.hg/patches
>
> Other than wiping the "/.hg" tree or temporarily moving it away is there
> any way to avoid this sort of test confusion?

Some tests have
   $ "$TESTDIR/hghave" no-outer-repo || exit 80
for this reason, but that has apparently not been added all places where 
it is needed.

Some kind of HG_DONOTSEARCHFORDOTHGABOVETHIS environment variable could 
be a nicer solution.

/Mads