[CDash] Where and how to display git SHA of commit at CDash dashboard?

[Niels Dekker]

Zack Galbreath wrote on Tuesday Jan 30, 2018:
> As Dave Cole mentioned, we now display the git commit (if available)
> in the Update column on index.php.  We have a couple features left to
> port before we can upgrade my.cdash.org.

Thanks for your reply, Zack. I see the "Update" column at 
https://my.cdash.org/index.php?project=SuperElastix has a subheader 
below "Update", saying "Files". Is that where the commit SHA should 
appear? On https://open.cdash.org/index.php?project=CMake the subheader 
of the "Update" column says "Revision", and it does actually show 
shortened commit SHA hashes, as David Cole pointed out.

Or do you mean that my.cdash.org just does not support displaying the 
commit SHA hash yet? If so, can you maybe give some rough indication 
when it does?


David Cole wrote on Monday Jan 29, 2018:

> Hopefully somebody who knows what the mechanism is can reply and
> give a hint, but if not, I bet it's not too difficult to figure
> it out based on analysis of the source code of CDash and
> CMake.CTest.

I did some analysis of the source code, but found it not so easy. 
Searching through CTest at https://github.com/Kitware/CMake.git it 
seemed to me that I should either add command-line argument "--overwrite 
ChangeId=<commit-sha>" or set(CTEST_CHANGE_ID  <commit-hash>). In either 
way, the commit SHA hash should appear as ChangeId attribute of the Site 
tag, in the XML files in the Testing subdirectory (Build.xml, 
Configure.xml, etc.), right?  But will it then be visible somewhere at 
our dashboard at my.cdash.org?


Zack Galbreath wrote:
> You can still get this information uploaded to CDash even if you rely
> on some external mechanism to update your source code repository:
> 
> set(CTEST_UPDATE_VERSION_ONLY 1)
> 
> ctest_update()

Thanks. But is this already relevant for my.cdash.org?

Kind regards, Niels

-- 
Niels Dekker
Scientific programmer
LKEB, Leiden University Medical Center