I was pretty sleepy last night.

My residual disagreement is that 'provided' doesn't just mean 'copy to
local repo'. It means 'copy to local repo and put in test classpath.'
Yes, I now get it, an appropriate packaging avoids any classpath. The
word 'provided' is used because it's 'provided' by the environment by
magic at runtime. I end up thinking that one more scope would make
this easier to explain. Try writing a paragraph of doc that we'd put
in the pom doc to explain 'provided' if we decide to just stick with
this.

However, I have a really simple idea. What if we permitted *no scope
at all* for non-jar artifacts to serve this purpose?


On Mon, Jun 27, 2011 at 8:32 PM, Stephen Connolly
<stephen.alan.conno...@gmail.com> wrote:
> the wars are really side web apps that are provided by somebody else at
> deployment time in the runtime container.
>
> just as the server api is provided by somebody else.
>
> the tomcat plugin is providing the container, so as it knows those side apps
> are not present it would make sense to me if it provided them for me. just
> like when running unit tests, surfer will provide the provided deps on my
> test classpath.
>
> what i am saying is tomato does not need a special scope. symmantically
> their required scope is provided.
>
> - Stephen
>
> ---
> Sent from my Android phone, so random spelling mistakes, random nonsense
> words and other nonsense are a direct result of using swype to type on the
> screen
> On 28 Jun 2011 00:46, "Benson Margulies" <bimargul...@gmail.com> wrote:
>> The tomcat wars are NOT provided. The idea is to grab them from the
>> repositories, copy them to the local repo, and have the tomcat plugin
>> 'collect them all.'
>>
>> I didn't know that maven already had the concept of non-classpath
>> artifact types. I've been laboring under the idea that these things
>> would end up in the classpath if not excluded somehow.
>>
>> Tomcat could stop using the special scope, but then it would need to
>> redundantly list these artifacts in its own config, unless the author
>> were willing to take the attitude that *all* war dependencies should
>> be launched. Using foo:bar syntax instead of a nest of XML that is
>> perhaps not too awful, but it still feels like listing the same thing
>> twice. Hmm: how does the new site plugin avoid this? With the new site
>> plugin, can you built a reporting plugin in the reactor and then use
>> it in a site? I bet not.
>>
>> In short, I'm arguing for some idea of annotating dependencies to
>> avoid redundantly calling them out in plugins, but I'm not arguing
>> terribly loudly.
>>
>> On Mon, Jun 27, 2011 at 7:22 PM, Stephen Connolly
>> <stephen.alan.conno...@gmail.com> wrote:
>>> On 28 June 2011 00:15, Benson Margulies <bimargul...@gmail.com> wrote:
>>>> Consider the tomcat use case, and then mine.
>>>>
>>>> The tomcat use-case is: declare additional artifacts of type/packaging
>>>> 'war'. The plugin launches them as additional webapps.
>>>
>>> Why won't provided work for this?
>>>
>>> war is a non-classpath dependency... compile (default) makes sense for
> overlays
>>>
>>> provided -> supplied by the container... in this case tomcat
>>>
>>>>
>>>> My use case: This artifact of code, here, depends on that giant
>>>> artifact of data, there.
>>>>
>>>> In both cases, the dependency *does* need to be copied to the local
>>>> repo, but does *not* want to be in classpath.
>>>
>>> then that is a non-classpath artifact type unless i mis-understand your
> case
>>>
>>>>
>>>> So, what would you think of
>>>>
>>>>   <dependency>
>>>>      <!-- gav -->
>>>>      <scope>non-classpath</scope>
>>>>      <list>tomcat</list>
>>>>   </dependency>
>>>>
>>>>
>>>> That is, define the concept of a named list of dependencies, which
>>>> seems harmlessly extensible, while defining exactly one more scope, to
>>>> use for this purpose?
>>>>
>>>>
>>>>
>>>> On Mon, Jun 27, 2011 at 6:54 PM, Stephen Connolly
>>>> <stephen.alan.conno...@gmail.com> wrote:
>>>>> Allowing people to have custom scopes is a thin end of the wedge...
>>>>>
>>>>> The scopes we have are not sufficient, so I am +1 to expanding them
>>>>>
>>>>> Custom scopes are a recipe for disaster... the whole point of
>>>>> standardization is that everyone knows what they mean.
>>>>>
>>>>> Currently we have:
>>>>>
>>>>> compile - which we have borked to be transitive but shouldn't be
>>>>> runtime - fair enough
>>>>> provided - which is closer to what compile should have been
>>>>> test - not good enough for the multitude of testing phases
>>>>> system - Eeek! don't use
>>>>> import - nobody has a clue what exactly this does
>>>>>
>>>>> Critically missing from my PoV are:
>>>>>
>>>>> provides - needs a better name, but I want to signify that I provide a
>>>>> specific GAV in my pom so that you don't bother trying to pull it in
>>>>> for another dep... eg. log4j-over-slf4 would provides log4j
>>>>>
>>>>> test-compile
>>>>> test-runtime
>>>>>
>>>>> some scope that is like compile & runtime but not the test classpath...
>>>>>
>>>>> Actually the more I think about it what you really want to specify, in
>>>>> a standardized way is the list of classpaths to add to, and whether it
>>>>> is transitive on that classpath...
>>>>>
>>>>> And of course in the non-maven world, classpath does not make sense...
>>>>> but there are equivalents
>>>>>
>>>>> <dependency>
>>>>>  <groupId>...</groupId>
>>>>>  <artifactId>...</artifactId>
>>>>>  <version>...</version>
>>>>>  <scopes>
>>>>>    <scope>
>>>>>      <name>compile</name>
>>>>>      <transitive>true</transitive>
>>>>>    </scope>
>>>>>    <scope>
>>>>>      <name>runtime</name>
>>>>>      <transitive>false</transitive>
>>>>>    </scope>
>>>>>    <scope>
>>>>>      <name>test</name>
>>>>>      <transitive>true</transitive>
>>>>>    </scope>
>>>>>  </scopes>
>>>>> </dependency>
>>>>>
>>>>> Man that's ugly
>>>>>
>>>>> On 27 June 2011 23:27, Benson Margulies <bimargul...@gmail.com> wrote:
>>>>>> Two options in my head:
>>>>>>
>>>>>> 1) Eliminate the warning.
>>>>>> 2) Allow some means for officially defining scopes -- the problem
>>>>>> being that the consumer is the logical place for the definition.
>>>>>>
>>>>>>
>>>>>> 2011/6/27 Arnaud Héritier <aherit...@gmail.com>:
>>>>>>> I don't have any pointer in mind except this page which doesn't say
> much
>>>>>>> than a stricter validation of POM :
>>>>>>>
> https://cwiki.apache.org/MAVEN/maven-3x-compatibility-notes.html#Maven3.xCompatibilityNotes-StricterPOMValidation
>>>>>>> But that right that in maven 2 we just ignored unknown scopes while
> maven 3
>>>>>>> throws a warning
>>>>>>>
>>>>>>> Arnaud
>>>>>>>
>>>>>>> On Mon, Jun 27, 2011 at 7:02 PM, Benson Margulies <
> bimargul...@gmail.com>wrote:
>>>>>>>
>>>>>>>> In looking at the tomcat plugin, I noticed that it depends on using
> a
>>>>>>>> custom scope, and there was commentary complaining that maven 3
>>>>>>>> complains.
>>>>>>>>
>>>>>>>> Is there a thread or a JIRA about this? I'm contemplating creating
>>>>>>>> something like this of my own, and I'd like to know what trouble I'm
>>>>>>>> getting myself into.
>>>>>>>>
>>>>>>>>
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