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From Paul King <pa...@asert.com.au>
Subject Re: Potential questionable situation in Grapes Module Loading
Date Mon, 25 Mar 2019 11:25:59 GMT
I wouldn't use those exact words. I would say something like:
"Previous examples assumed that the consumer of the library will
transitively want the Groovy jars on the classpath. For libraries that will
be consumed in contexts where Groovy will already be on the classpath, you
can consider altering your dependency scopes as follows:"

[build script sample as you have]

"Alternatively, you may wish to document to your users that they may need
to exclude transitive dependencies or specifically exclude the Groovy jar
to avoid having two (potentially conflicting) versions of Groovy on the
classpath."

Cheers, Paul.

On Mon, Mar 25, 2019 at 6:07 PM anton.pryamostanov@gmail.com <
anton.pryamostanov@gmail.com> wrote:

>
>
> On 2019/03/24 22:52:55, Paul King <paulk@asert.com.au> wrote:
> > If your pom for this dependency 'io.infinite:supplies:1.1.1' mentions a
> > specific version of groovy, then
> > I would expect the kinds of errors you are seeing if you are loading
> from a
> > different version of Groovy.
> > Either use the workarounds you mentioned on the gradle side - then you
> have
> > an implicit assumption
> > that the library will always be used from a groovy environment with the
> > needed dependencies, or add
> > a @GrabExclude of Groovy on the Groovy side alongside your '@Grab(
> > 'io.infinite:supplies:1.1.1')'.
> >
> > Cheers, Paul.
> >
> >
> > On Mon, Mar 25, 2019 at 8:10 AM anton.pryamostanov@gmail.com <
> > anton.pryamostanov@gmail.com> wrote:
> >
> > > Oh, I forgot to say: relevant thread on Gradle forum:
> > >
> https://discuss.gradle.org/t/gradle-groovy-library-scope-documentation-best-practices-grapes/31054
> > >
> > > It has some additional details (like workaround). Please kindly take a
> > > look at that.
> > >
> > > Thank you.
> > >
> > > Bye (Anton)
> > >
> >
>
> Many thanks, Paul!
>
> Shall I initiate to change the Gradle documentation? Since it's a common
> entry point for anyone writing Groovy library using Gradle build.
>
> My suggestion is to add there a block, saying - "For better compatibility
> with other build tools, the recommended dependency scopes should be:"
> ..
> dependencies {
>     compileOnly 'org.codehaus.groovy:groovy-all:2.5.4'
>     testCompile 'org.codehaus.groovy:groovy-all:2.5.4'
> ..
> }
> ..
>

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