I am making an assumption that "Modern SCM" is some new Jenkins SCM API not
yet supported by most common SCMs - so I am just ignoring it and using
Legacv SCM
As for ${library.name.version} - you use it if you specify branch/tag in
GIT or in URL for SVN
Basically when you load the library with @Library syntax, you can (if
enabled) specify a version (release, beta, v2, whatever you want to call
it). When SCM fetches it, it needs to know what to do with this "version"
you specified. So, for SVN you include ${library.name.version} in your SVN
URL in global library config, so when it checks it out, it will check out
the version specified in your @Library statement. Similarly for git, which
has a fixed URL for all branches, you specify fixed URL but use the version
variable in your branch specifier (which can point to either a branch or a
tag)
So for example for my "testlib" library, my branch specifier is :
'refs/heads/release/${library.testlib.version}'
So when I do '@Library "testlib@beta" _' in my code, I get branch
release/beta
Here is a tiny trick I do here, btw -- notice that I hardcode the
"release/" prefix to my branch - I do this to prevent the scripts from
specifying any branch other than the one with 'release/' prefix - this
prevents developers working on new features from being able to load those
features into Jenkins (which for global libs runs outside the sandbox)
without a proper peer review (release/*" branches are restricted in my
config).
HTH,
-M
On Monday, September 12, 2016 at 12:48:02 AM UTC-7, Sverre Moe wrote:
>
> There has been changes in the Global Pipeline Library plugin
> https://issues.jenkins-ci.org/browse/JENKINS-31155
>
> Jenkins Configuration => Global Pipeline Libraries
> Choosing "Modern SCM" the next drop down list is empty. What does this
> option actually do?
> Choosing "Legacy SCM" I'm able to define a git repository for the library.
>
>
> <https://lh3.googleusercontent.com/-K6GYJCRmDJY/V9ZdcNW8A3I/AAAAAAAAEnw/eKdj8AMEaT4P2h29hAriZ1NZUMw82Yv8gCLcB/s1600/pipelinelibrary1.png>
>
>
> <https://lh3.googleusercontent.com/-VSRoWmaCjn4/V9ZdlZNHzNI/AAAAAAAAEn4/nh1BoH4WwZk8jRL26nKqZrxwVtFxe24QwCLcB/s1600/pipelinelibrary2.png>
>
>
>
>
> According to the documentation:
>
>> It can be used in two modes: a legacy mode in which there is a single Git
>> repository hosted by Jenkins itself, to which you may push changes; and a
>> more general mode in which you may define libraries hosted by any SCM in a
>> location of your choice.
>
>
> Should it not be the other way around for the modes in configuration?
> Modern SCM should have option to add SCM.
>
>
>
> The best way to specify the SCM is using an SCM plugin which has been
>> specifically updated to support a new API for checking out an arbitrary
>> named version (Modern SCM option). Initially the Git and Subversion plugins
>> have this modification
>
> Choosing Modern SCM there is no option in the drop down list. Neither git
> nor subversion. Though they are with Legacy SCM.
>
>
>
> If your SCM plugin has not been integrated, you may select Legacy SCM and
>> pick anything offered. In this case, you need to include
>> ${library.yourLibName.version} somewhere in the configuration of the SCM,
>> so that during checkout the plugin will expand this variable to select the
>> desired version.
>
> For a library in a git repository would I need to tag a specific version?
>
>
> ---
>
>
> It is great that we now can use a shared library stored with our own Git
> remote repository server. However until we transition to that have
> workflowLibs.git work as before.
>
>
> If I move the shared library to a different SCM I would probably need to
> remove workflowLibs.git otherwise how would Jenkins know which one to load
> as I need to load it implicitly.
>
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