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From "Greene, Hugh" <HGre...@tmvse.com>
Subject RE: Packaging attribute, unpack location
Date Fri, 01 Jul 2016 08:57:45 GMT
Hi Jérémie,

I have some experience which might be useful to you in your experiments.

We have a set of Gradle plugins for doing something similar for Ivy modules with ZIP artifacts.
 We do the unzipping separately because we had to (pre-Ivy-2.4) and because we chose to unzip
modules to a separate folder whose location we control.  That means that you can have one
such "unpack cache" per volume and symlinks/hardlink the files into your project workspace,
thereby saving disk space if you have multiple workspaces with an overlapping set of dependencies.

One subtle mistake we made, and have yet to undo, is that we unzipped all ZIPs from a module
into one folder, even though different configurations of that module should really only expose
the contents of some subset of those ZIPs.  That means you can just symlink the whole folder,
rather than having to somehow "merge" the separate folders for each configuration.  But it
means that a folder symlinks in your workspace may contain more than it should according to
your project's specified dependencies, if you previously unzipped files on the same machine
for a different project with a larger set of configurations of that module.

Hope that's useful (and makes sense!),

Hugh Greene, Senior Software Developer
Toshiba Medical Visualization Systems Europe, Ltd
Bonnington Bond, 2 Anderson Place, Edinburgh EH6 5NP, UK
Tel + 44 (0)131 472 4792 / Fax + 44 (0) 131 472 4799
http://www.tmvse.com / mailto:hgreene@tmvse.com 

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-----Original Message-----
From: Jeremie Faucher-Goulet [mailto:Jeremie.Faucher-Goulet@trilliantinc.com] 
Sent: 30 June 2016 18:59
To: ivy-user@ant.apache.org
Subject: RE: Packaging attribute, unpack location

Thank you Marc for your sanity check,

As I'm brand new to Ivy and experimenting with it, there's always this nagging doubt I made
a stupid mistake somewhere ;-) We're working on putting together a new CI and CD process for
embedded software projects, and Ivy could prove to be a major part of it.

I only just noticed that the "packaging" attribute is something new, only introduced in Ivy
2.4, so I'm probably experimenting with features that don't have a widespread usage currently.

Thanks for your help,

Jérémie

-----Original Message-----
From: Marc De Boeck [mailto:mdeboec@gmail.com]
Sent: June 30, 2016 9:29 AM
To: ivy-user@ant.apache.org
Subject: Re: Packaging attribute, unpack location

Jérémie,

Your settings look correct to me. We also work with the extra-attributes to distinguish artifacts,
but we don't the package attribute. If I need to unpack something, I do it outside of Ivy
in an ant-task (like you suggest as alternative).
I also agree that the extra-attributes in the <conf> section are not needed. We don't
have them either, but we do use them inside the publications sections.
If I have some time tomorrow, I will try to make a test with the package-attribute in our
environment and see if I can reproduce your problem.

Regards,
Marc

2016-06-29 22:50 GMT+02:00 Jeremie Faucher-Goulet <
Jeremie.Faucher-Goulet@trilliantinc.com>:

> Other useful tidbits....
>
> Here is my retrieve task in build.xml:
>
>         <target name="retrieve" description="Resolve dependencies">
>                 <ivy:retrieve
> pattern="lib/[artifact]/[artifact](_[arch])(_[compiler])(_[locInfo])-[revision](-[classifier]).[ext]"
> />
>         </target>
>
> So in my cache I get the following directory structure:
>
> +.ivy2\cache\com.trilliantinc\slf4ec\1.0.0+15.db80236\
> |----+slf4ec-1.0.0+15.db80236 (unpack folder) 
> |----+slf4ec-x86-gcc-withLoc-1.0.0+15.db80236.zip (artifact downloaded
> according to cache pattern)
>
>
> And in my project I get:
>
> +lib\
> |----+slf4ec
>         |----+slf4ec_x86_gcc_withLoc-1.0.0+15.db80236 (Unpacked 
> artifact copied from cache, content of the "unpack folder" but 
> following the retrieve pattern)
>
> Regards,
>
> Jérémie
>
> -----Original Message-----
> From: Jeremie Faucher-Goulet [mailto:
> Jeremie.Faucher-Goulet@trilliantinc.com]
> Sent: June 29, 2016 4:35 PM
> To: ivy-user@ant.apache.org
> Subject: RE: Packaging attribute, unpack location
>
> Hi Marc,
>
> When not specifying the packaging attribute, everything seems to work 
> as expected. I suppose I could always write a custom Ant action to 
> unzip the files. I was trying to use the Ivy feature.
>
> Here is my current cache configuration in ivysettings.xml :
> <caches
> ivyPattern="[organisation]/[module]/[revision]/[artifact](-[arch])(-[compiler])(-[locInfo])-[revision].xml"
> artifactPattern="[organisation]/[module]/[revision]/[artifact](-[arch])(-[compiler])(-[locInfo])-[revision](-[classifier]).[ext]"
> />
>
> Of course, [arch], [compiler] and [locInfo] are extra-attributes that 
> are defined in the library I'm resolving from Artifactory. Here is the 
> ivy.xml file of that library:
>
> <ivy-module version="2.0" xmlns:e="http://ant.apache.org/ivy/extra">
>         <info organisation="com.trilliantinc" module="slf4ec" />
>         <configurations>
>                 <conf name="cortex-m4_gcc_withLoc" e:arch="cortex-m4"
> e:compiler="gcc"
>                         e:locInfo="withLoc"
>                         description="Binary for ARM Cortex-M4 compiled 
> with GCC with location information" />
>                 <conf name="cortex-m4_gcc_withoutLoc" e:arch="cortex-m4"
>                         e:compiler="gcc" e:locInfo="withoutLoc"
>                         description="Binary for ARM Cortex-M4 compiled 
> with GCC without location information" />
>                 <conf name="cortex-m4_iar_withLoc" e:arch="cortex-m4"
> e:compiler="iar"
>                         e:locInfo="withLoc"
>                         description="Binary for ARM Cortex-M4 compiled 
> with IAR with location information" />
>                 <conf name="cortex-m4_iar_withoutLoc" e:arch="cortex-m4"
>                         e:compiler="iar" e:locInfo="withoutLoc"
>                         description="Binary for ARM Cortex-M4 compiled 
> with IAR without location information" />
>                 <conf name="x86_gcc_withLoc" e:arch="x86" e:compiler="gcc"
>                         e:locInfo="withLoc"
>                         description="Binary for x86 compiled with GCC 
> with location information" />
>                 <conf name="x86_gcc_withoutLoc" e:arch="x86"
> e:compiler="gcc"
>                         e:locInfo="withoutLoc"
>                         description="Binary for x86 compiled with GCC 
> without location information" />
>                 <conf name="artifacts" visibility="private"
> description="Build's artifacts" />
>                 <conf name="all" extends="*" description="All artifacts" />
>         </configurations>
>         <publications>
>                 <artifact name="slf4ec" e:arch="x86" e:compiler="gcc"
>                         e:locInfo="withLoc" ext="zip" type="native"
> conf="x86_gcc_withLoc"
>                         packaging="zip" />
>                 <artifact name="slf4ec" e:arch="x86" e:compiler="gcc"
>                         e:locInfo="withoutLoc" ext="zip" type="native"
> conf="x86_gcc_withoutLoc"
>                         packaging="zip" />
>                 <artifact name="slf4ec" e:arch="cortex-m4" e:compiler="gcc"
>                         e:locInfo="withLoc" ext="zip" type="native"
> conf="cortex-m4_gcc_withLoc"
>                         packaging="zip" />
>                 <artifact name="slf4ec" e:arch="cortex-m4" e:compiler="gcc"
>                         e:locInfo="withoutLoc" ext="zip" type="native"
> conf="cortex-m4_gcc_withoutLoc"
>                         packaging="zip" />
>                 <artifact name="slf4ec" e:arch="cortex-m4" e:compiler="iar"
>                         e:locInfo="withLoc" ext="zip" type="native"
> conf="cortex-m4_iar_withLoc"
>                         packaging="zip" />
>                 <artifact name="slf4ec" e:arch="cortex-m4" e:compiler="iar"
>                         e:locInfo="withoutLoc" ext="zip" type="native"
> conf="cortex-m4_iar_withoutLoc"
>                         packaging="zip" />
>                 <artifact name="doc" ext="zip" type="html" conf="artifacts"
>                         packaging="zip" />
>                 <artifact name="tests" ext="zip" type="xUnit"
> conf="artifacts"
>                         packaging="zip" />
>         </publications>
> </ivy-module>
>
> I'm not exactly sure what use the extra-attributes could have inside 
> the <conf /> section. Currently they don’t seem to impact anything and 
> I'm probably going to remove them.
> Ideally I would have proffered to use these extra-attributes instead 
> of configurations (and a long configuration name string) when 
> resolving dependencies, but the resolver looks for these 
> extra-attributes in the module, not the artifacts so cannot resolve 
> when using extra-attributes. At least that's what I found out with my experimentations.
>
> Best regards,
>
> Jérémie
>
> -----Original Message-----
> From: Marc De Boeck [mailto:mdeboec@gmail.com]
> Sent: June 29, 2016 4:16 PM
> To: ivy-user@ant.apache.org
> Subject: Re: Packaging attribute, unpack location
>
> Can you tell us the cache pattern that you have configured ?
> Maybe you can also try to retrieve the same artifacts but with a 
> module descriptor (ivy-file) where the packaging attribute is not set.
> This way, you could find out if it is related to the packaging 
> attribute, or related to something else.
>
> Regards,
> Marc
>
> 2016-06-29 21:22 GMT+02:00 Jeremie Faucher-Goulet <
> Jeremie.Faucher-Goulet@trilliantinc.com>:
>
> > Hello,
> >
> >
> >
> > I’m encountering an issue where, when using a different 
> > configuration for the same artifact during a retrieve operation, the 
> > artifact is downloaded but the wrong artifact is copied in my project.
> >
> > Is it a limitation of the automatic unpacking (zip file in my case) 
> > not keeping the extra attributes? I’m new to Ivy so there might be a 
> > configuration option I haven’t found yet.
> >
> >
> >
> > For example, I’m using a custom pattern for the Ivy cache so I can 
> > get the different configuration downloaded and a similar custom 
> > pattern for the retrieve itself so I can get these different 
> > artifacts in my
> project.
> > However, calling retrieve with a different configuration does create 
> > a new folder in my project (retrieve pattern), but it’s content is 
> > the same as with the previous configuration.
> >
> > Looking in the Ivy cache, I see that the download did create a new
> > (proper) artifact in my cache according to my custom cache pattern, 
> > but the same folder was used (and not overridden) for unpacking.
> >
> >
> >
> > It seems whatever pattern I set, the unpacking location will happen 
> > here in the cache:
> > [organisation]/[module]/[revision]/[artifact]-[revision]/*
> >
> >
> >
> > My assumption currently, is that Ivy will find the same unpacking 
> > location so will skip the unpacking step. Retrieve will then copy 
> > over a dirty/invalid version of what was unpacked. Are my assumptions correct?
> >
> >
> >
> > Is there a way to configure the unpacking location, if my 
> > understanding of the issue is correct?
> >
> >
> >
> > P.S. I’m using configuration to differentiate different native C/C++ 
> > builds (x86, arm, etc…) Perhaps I’m not using the proper approach?
> >
> >
> >
> > Thank you,
> >
> >
> >
> > [image: Description: cid:image001.jpg@01C9B6D4.5B951A30]
> >
> > Jeremie Faucher-Goulet, Jr. Eng.
> > Firmware Developer
> > Trilliant Inc
> > Tel: 450.375.0556 ext. 368
> > jeremie.faucher-goulet@trilliantinc.com
> >
> > www.trilliantinc.com
> >
> >
> >
> >
> >
>

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