fix of pede job submission issue

[connorpa]

There was an issue in the submission of the Pede job due to a conflict in the use of environment variables set by CMSSW and needed for cmsStageIn/xrdcp. This can be fixed by resetting the CMSSW environment inside of the bash script executed by the Pede job.

[cmsbuild]

A new Pull Request was created by @connorpa (Patrick Connor) for CMSSW_7_5_X.

fix of pede job submission issue

It involves the following packages:

Alignment/MillePedeAlignmentAlgorithm

@cmsbuild, @mmusich, @diguida, @cerminar can you please review it and eventually sign? Thanks.
@mschrode, @ghellwig, @frmeier, @mmusich, @tlampen this is something you requested to watch as well.
You can sign-off by replying to this message having '+1' in the first line of your reply.
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@Degano you are the release manager for this.
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[mmusich]

please test

[cmsbuild]

The tests are being triggered in jenkins.

[cmsbuild]

-1
Tested at: f873f4b
When I ran the RelVals I found an error in the following worklfows:
4.53 step2

runTheMatrix-results/4.53_RunPhoton2012B+RunPhoton2012B+HLTD+RECODreHLT+HARVESTDreHLT+MINIAODDreHLT/step2_RunPhoton2012B+RunPhoton2012B+HLTD+RECODreHLT+HARVESTDreHLT+MINIAODDreHLT.log
----- Begin Fatal Exception 22-Jul-2015 14:55:35 CEST-----------------------
An exception of category 'NoRecord' occurred while
   [0] Processing run: 194533 lumi: 329 event: 461582793
   [1] Running path 'L1RePack_step'
   [2] Calling event method for module L1GlobalTriggerRawToDigi/'unpackGtDigis'
Exception Message:
No "L1MuTriggerScalesRcd" record found in the EventSetup.
 Please add an ESSource or ESProducer that delivers such a record.
----- End Fatal Exception -------------------------------------------------

you can see the results of the tests here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-10303/66/summary.html

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:
815aceb
225104b
You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-10303/66/git-log-recent-commits
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-10303/66/git-merge-result

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_5_X IBs once checked with relvals in the development release cycle of CMSSW (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @Degano, @smuzaffar

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-10303/6422/summary.html

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_5_X IBs once checked with relvals in the development release cycle of CMSSW (tests are also fine). This pull request requires discussion in the ORP meeting before it's merged. @davidlange6, @Degano, @smuzaffar

[davidlange6]

+1