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Re: [tycho-user] Reproducible Version Qualifiers with only using the git info
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Hi Ed,
if you can break down the problem into more specific task there is a
higher chance we can improve something, I think you would expect the
same if one would open a rather vague inquiry for eclipse-installer :-)
Am 21.04.21 um 15:53 schrieb Ed Willink:
Hi
I raised it long ago as
https://bugs.eclipse.org/bugs/show_bug.cgi?id=529972 but it was closed
as INVALID.
Regards
Ed Willink
On 21/04/2021 14:14, Christoph Läubrich wrote:
Hi Ed,
even though I don't understand the whole story/problem in deep I'm in
the comfortable situation that I control the whole build/deploy cycle
and so some things are might be more relaxed for my case.
Anyways if you feel something is missing for jgit-timestamp or not
working as exspected, it would be good to open an issue here
https://github.com/eclipse/tycho/issues so people can get aware of it
an maybe enhance.
As I'll give git-timestmaps a try I even will improve things here
myself if I get aware of them.
Am 21.04.21 um 14:52 schrieb Ed Willink:
Hi
The jgit timestamp provider is an attractive replacement for the
Buckminster reference repo and I adopted it for the OCL builds and
encouraged UML2 to adopt it too.
However if you read through
https://bugs.eclipse.org/bugs/show_bug.cgi?id=529933 you will see my
initial enthusiasm for the jgit timestamp provider turn into a
realisation that it is unsound in general. But if you have special
constraints it may nonetheless be ok for you.
My builds now always churn qualifiers.
Regards
Ed Willink
On 21/04/2021 08:53, Mickael Istria wrote:
On Wed, Apr 21, 2021 at 9:29 AM Christoph Läubrich
<laeubi@xxxxxxxxxxxxxx <mailto:laeubi@xxxxxxxxxxxxxx>> wrote:
"Version qualifier is calculated based on timestamp of the most
recent
commit that touches any file under project base directory"
so project basedir = "bundle" and not "git-tree"?
> But it would still be possible to build such a strategy
would I need a new one or could the jgit be configured to behave
that
way?
You should already be able to use the jgit timastamp provider
without using baseline.
So do I can assume that this might be uncommon but working
use-case or
will it break something?
Yes, it's a working use-case.
... I think that would be a really cool feature to have such
"incremental-build" support in tycho :-)
I don't think it fits the Maven/Tycho layer and their related build
model, it's more operating a build strategy, a bit higher-level than
just a build tool.
one problem I have stumpled in the past was that the features
don't get
rebuild (as there is no change from maven POV). I don't know if
this is
just unsupprted or I just configured something wrong.
It's a bit tricky: feature qualifier do depend on the change in the
feature folder and on content of the feature. Features sometimes
require to be "touched" manually for version changes to cascade into
them.
For your case, since building features is usually very cheap, you
may want to try first filtering out only untouched bundles but keep
building all features anyway.
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