Add diffopts.py script that diffs Gaudi options

Add a script that is able to parse and diff gaudi options produced with gaudirun.py -o opts.[opts|py|pkl] ... This is a nice debugging aid, especially when refactoring.

Adapted from https://gitlab.cern.ch/lhcb/Moore/blob/v30r1/Hlt/Moore/python/Moore/QMTest/MooreTests.py

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• 1ca5c0b5 - Add diffopts.py script that diffs Gaudi options

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Add a test

unmarked as a Work In Progress

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• [2019-09-30 00:07] Validation started with lhcb-gaudi-head-py3#194
• [2019-09-30 00:08] Validation started with lhcb-sanitizers#386
• [2019-09-30 00:11] Validation started with lhcb-lcg-dev3#1036
• [2019-09-30 00:11] Validation started with lhcb-head#2382
• [2019-09-30 00:13] Validation started with lhcb-lcg-dev4#1047
• [2019-09-30 00:13] Validation started with lhcb-gaudi-head#2402
• [2019-09-30 00:15] Validation started with lhcb-tdr-test#689
• [2019-09-30 16:26] Validation started with lhcb-lcg-test#3
• [2019-09-30 18:39] Validation started with lhcb-gaudi-merge#829
• [2019-10-01 00:08] Validation started with lhcb-gaudi-head-py3#195
• [2019-10-01 00:10] Validation started with lhcb-sanitizers#387
• [2019-10-01 00:11] Validation started with lhcb-lcg-dev3#1037
• [2019-10-01 00:12] Validation started with lhcb-lcg-dev4#1048
• [2019-10-01 00:14] Validation started with lhcb-head#2383
• [2019-10-01 00:15] Validation started with lhcb-tdr-test#690
• [2019-10-01 00:19] Validation started with lhcb-gaudi-head#2403
• [2019-10-01 09:26] Validation started with lhcb-head#2384
• [2019-10-01 10:01] Validation started with lhcb-lcg-test#4
• [2019-10-01 15:54] Validation started with lhcb-lcg-test#5
• [2019-10-02 00:16] Validation started with lhcb-sanitizers#388
• [2019-10-02 00:19] Validation started with lhcb-lcg-dev3#1038
• [2019-10-02 00:21] Validation started with lhcb-tdr-test#691
• [2019-10-02 00:22] Validation started with lhcb-head#2385
• [2019-10-02 00:23] Validation started with lhcb-lcg-dev4#1049
• [2019-10-02 00:23] Validation started with lhcb-gaudi-head#2404
• [2019-10-02 08:17] Validation started with lhcb-lcg-test#6
• [2019-10-03 00:14] Validation started with lhcb-gaudi-head#2405
• [2019-10-03 00:14] Validation started with lhcb-lcg-dev4#1050
• [2019-10-03 00:14] Validation started with lhcb-sanitizers#389
• [2019-10-03 00:17] Validation started with lhcb-lcg-dev3#1039
• [2019-10-03 00:27] Validation started with lhcb-tdr-test#692
• [2019-10-03 00:53] Validation started with lhcb-head#2386
• [2019-10-03 13:34] Validation started with lhcb-lcg-dev4#1051

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• 1ca5c0b5...3439b72e - 15 commits from branch master
• 304f1f91 - Add diffopts.py script that diffs Gaudi options

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• aeb19512 - Add diffopts.py script that diffs Gaudi options

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assigned to @apearce

changed milestone to %HLT1 demonstrator

@apearce I've done a big update after this was tested last night. Now it has more functionality and I think nearly full test coverage.

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added 14 commits

• aeb19512...ce82d8f1 - 13 commits from branch master
• 64d1d0e9 - Add diffopts.py script that diffs Gaudi options

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Thanks a lot @apearce ! I've taken all suggestions. I also made the --git flag work for older git and simplified the test which uses --git so the ref does not depend on the git version, hopefully. Let's see what the nightlies say

Why is this diffopts script buried inside Moore? I would say it’s of general interest, could be in LHCb or even LbScripts?