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Does buckminster support jgit based Version Qualifiers? [message #1159547]

Mon, 28 October 2013 12:08

Eclipse User

Tycho supports Reproducible Version Qualifiers with jgit by calculating based on timestamp of the most recent commit that touches any file under project base directory.

Does buckminster support this, too?

Re: Does buckminster support jgit based Version Qualifiers? [message #1159994 is a reply to message #1159547]

Mon, 28 October 2013 18:55

Eclipse User

On 2013-10-28 17:08, Lothar Werzinger wrote:
> Tycho supports http://wiki.eclipse.org/Tycho/Reproducible_Version_Qualifiers with jgit by calculating based on timestamp
> of the most recent commit that touches any file under project base directory.
>
> Does buckminster support this, too?

Yes. That's the default behavior for Git based projects.

- thomas

Re: Does buckminster support jgit based Version Qualifiers? [message #1160050 is a reply to message #1159994]

Mon, 28 October 2013 19:55

Eclipse User

Thomas Hallgren wrote on Mon, 28 October 2013 15:55

On 2013-10-28 17:08, Lothar Werzinger wrote:
> Tycho supports http://wiki.eclipse.org/Tycho/Reproducible_Version_Qualifiers with jgit by calculating based on timestamp
> of the most recent commit that touches any file under project base directory.
>
> Does buckminster support this, too?

Yes. That's the default behavior for Git based projects.

- thomas

We currently use generator.buildTimestamp.format to customize the generated qualifier

qualifier.replacement.*=generator:buildTimestamp
generator.buildTimestamp.format='D-${user.name}-'yyyyMMdd'-'HHmm

But that always uses the build time as the timestamp for every plugin and not the git timestamps for the individual plugins.

How can we instruct Buckminster to use the git timestamps?

Re: Does buckminster support jgit based Version Qualifiers? [message #1160316 is a reply to message #1160050]

Tue, 29 October 2013 00:06

Eclipse User

On 2013-10-29 00:55, Lothar Werzinger wrote:
> Thomas Hallgren wrote on Mon, 28 October 2013 15:55
>> On 2013-10-28 17:08, Lothar Werzinger wrote:
>> > Tycho supports http://wiki.eclipse.org/Tycho/Reproducible_Version_Qualifiers with jgit by calculating based on
>> timestamp
>> > of the most recent commit that touches any file under project base directory.
>> >
>> > Does buckminster support this, too?
>>
>> Yes. That's the default behavior for Git based projects.
>>
>> - thomas
>
>
> We currently use generator.buildTimestamp.format to customize the generated qualifier
>
>
> qualifier.replacement.*=generator:buildTimestamp
> generator.buildTimestamp.format='D-${user.name}-'yyyyMMdd'-'HHmm
>
>
> But that always uses the build time as the timestamp for every plugin and not the git timestamps for the individual
> plugins.
>
> How can we instruct Buckminster to use the git timestamps?
>
Try this:

qualifier.replacement.*=generator:lastModified
generator.lastModified.format='D-${user.name}-'yyyyMMdd'-'HHmm

- thomas

Re: Does buckminster support jgit based Version Qualifiers? [message #1161191 is a reply to message #1160316]

Tue, 29 October 2013 12:41

Eclipse User

That works for us. Specifically, we use
qualifier.replacement.*=generator:lastModified
generator.lastModified.format='v'yyyyMMdd-HHmm

The main thing to remember is that you need the .qualifier on the end of the version number in all bundles, features and products - we got caught once by that, when the version did not change because one component had a fixed version number.

Re: Does buckminster support jgit based Version Qualifiers? [message #1161234 is a reply to message #1160316]

Tue, 29 October 2013 13:20

Eclipse User

Thomas Hallgren wrote on Mon, 28 October 2013 21:06

On 2013-10-29 00:55,
Try this:

qualifier.replacement.*=generator:lastModified
generator.lastModified.format='D-${user.name}-'yyyyMMdd'-'HHmm

- thomas

Thanks that works.

Re: Does buckminster support jgit based Version Qualifiers? [message #1165776 is a reply to message #1161191]

Fri, 01 November 2013 10:33

Eclipse User

On 29/10/2013 17:41, Matthew Webber wrote:
> That works for us. Specifically, we use
> qualifier.replacement.*=generator:lastModified
> generator.lastModified.format='v'yyyyMMdd-HHmm
>
> The main thing to remember is that you need the .qualifier on the end of
> the version number in all bundles, features and products - we got caught
> once by that, when the version did not change because one component had
> a fixed version number.

The other thing to remember, if you run the build locally on your
machine, is that the changes to the bundles and features must be
committed, since the timestamp corresponds to the last git commit (If I
remember correctly).

I also experienced another problem when building on Jenkins triggered by
Gerrit: remember to set the refspec to $GERRIT_REFSPEC, otherwise the
timestamp will not correspond to the last patchset...

hope this helps :)
Lorenzo

--
Lorenzo Bettini, PhD in Computer Science, DI, Univ. Torino
HOME: http://www.lorenzobettini.it
Xtext Book:
http://www.packtpub.com/implementing-domain-specific-languages-with-xtext-and-xtend/book

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