Hi Peter,

On Mar 6, 2014, at 1:07 PM, Peter Cock <p.j.a.c...@googlemail.com> wrote:

> On Thu, Mar 6, 2014 at 5:24 PM, Peter Cock <p.j.a.c...@googlemail.com> wrote:
>> On Thu, Mar 6, 2014 at 4:53 PM, Greg Von Kuster <g...@bx.psu.edu> wrote:
>>> On Feb 20, 2014, at 10:20 AM, Greg Von Kuster <g...@bx.psu.edu> wrote:
>>>>> On Thu, Feb 20, 2014 at 9:59 AM, Peter Cock <p.j.a.c...@googlemail.com> 
>>>>> wrote:
>>>>> 
>>>>> ...
>>>>> 
>>>>> So, what happens is first the arch/os specific actions is tried, here
>>>>> <actions os="linux" architecture="x86_64">
>>>>> 
>>>>> That was failing with MIRA4 due to the symlink bug (now fixed).
>>>>> Because the platform specific action failed, the generic <actions>
>>>>> was used - where I deliberately try to raise an error to signal
>>>>> the installation failed.
>>>>> 
>>>>> What is surprising me is that the Tool Shed see the error, logs
>>>>> it, but still continues on (setting my environment variables, and
>>>>> reporting success). Why is that?
>>>> 
>>>> I'll need some time to investigate this behavior - if I discover a
>>>> framework issue, I'll provide a fix.
>>> 
>>> The above issue should be corrected in
>>> https://bitbucket.org/galaxy/galaxy-central/commits/f5a119ac52a957204ab968a78638fe2a942c6893
>>> which is currently running on the Test Tool Shed.  I'm going to wait
>>> for tonight's Install and Test run on the Test Tool Shed to make
>>> sure all is well with the fix.  If things look good we'll graft the fix
>>> to the stable branch tomorrow.  Thanks for reporting this!
>>> 
>>> ...
>> 
>> Hi Greg,
>> 
>> No problem - I'm good at discovering problems ;)
>> 
>> If the download approach failed, it it most likely due to a
>> transient error (e.g. network issues with download). Here I
>> would much prefer Galaxy aborted and reported this as an
>> error (and does not attempt the default action). Is that what
>> you just fixed?
> 
> Re-reading the commit, and in particular the comment, it
> sounds like you have not fixed the larger issue I am trying
> to flag, quoting the commit comment:
> 
>>> Fixes to handle case where a tool dependency recipe defines
>>> an <actions_group> tag set for installing pre-compiled binaries
>>> which fail to install, so the fall back recipe for installing and
>>> compileing from souce is used. Prior to this change set, the
>>> recipe from source would not work, but the install process
>>> would finish in such a way that the recipe seemed to work.
> 
> i.e. The fall back action in my MIRA4 and BLAST+ recipes
> where I use "false" to raise an error should now be treated
> as an error (rather than as before being a silent failure).
> That's progress :)

Yes, thanks!


> 
> Given the current behaviour of switching to the default
> action if the platform specific action fails (which I think is
> unwise),

It's fine if you want to display errors rather than an install from source 
recipe.  You have ample justification for that approach in this case.


> does the Tool Shed clean up the failed platform
> specific installation before attempting the default action?

Yes.

> e.g. The failed action may have downloaded and unzipped
> some files which could interfere.


The tool shed will inspect and remove the contents of the installation 
directory before attempting to install from source.


> 
> Thanks,
> 
> Peter
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