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src/main/python/apache/aurora/client/cli/json_tree_diff.py
<https://reviews.apache.org/r/22457/#comment80544>

    Oops - that's code that got refactored out into prune_structure. I 
completely forgot that I refactored it out - I even went back and cleaned it up 
and added documentation...
    
    Just to reward you for noticing: rebasing means taking a path expression 
and rewriting it to be relative to a new basepoint.
    
    Think of a filesystem: you get an absolute path 
/u/users/markcc/work/code/foo. You want the relative path to that file from 
markcc's home dir. That operation of rewriting the path from the absolute path 
relative to root, to a local path (./work/code/foo) relative to 
"/u/users/markcc" is rebasing. 
    


- Mark Chu-Carroll


On June 11, 2014, 11 a.m., Mark Chu-Carroll wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/22457/
> -----------------------------------------------------------
> 
> (Updated June 11, 2014, 11 a.m.)
> 
> 
> Review request for Aurora, David McLaughlin and Brian Wickman.
> 
> 
> Bugs: aurora-520
>     https://issues.apache.org/jira/browse/aurora-520
> 
> 
> Repository: aurora
> 
> 
> Description
> -------
> 
> Add a new diff method, which uses field-by-field comparison of JSON trees for 
> comparing running job configurations to potentially updated configs.
> 
> - Allow exclusion of semantically irrelevant fields.
> - Provide a clearer list of the differences between configs.
> - Provide a scripting-friendly alternative JSON syntax for diffs.
> 
> The old diff behavior is still available under the "--use-shell-diff" option.
> 
> 
> Diffs
> -----
> 
>   src/main/python/apache/aurora/client/cli/BUILD 
> ebe681a0d1735b7cc695dc3b7a14c4292d87ae32 
>   src/main/python/apache/aurora/client/cli/jobs.py 
> 4fa03a6c9919651551238b0dc211ed69a8dfe565 
>   src/main/python/apache/aurora/client/cli/json_tree_diff.py PRE-CREATION 
>   src/test/python/apache/aurora/client/cli/BUILD 
> 3c88ed7cf9f654bbbd80d1d44aa1dd1c8655e378 
>   src/test/python/apache/aurora/client/cli/test_diff.py 
> 38629b63c082cf81cb891dace2a70d9e8f418e18 
>   src/test/python/apache/aurora/client/cli/test_json_diff.py PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/22457/diff/
> 
> 
> Testing
> -------
> 
> New unit tests of the JSON tree diff code, plus a bunch of new "job diff" 
> tests of the new functionality.
> All tests pass.
> 
> 
> Thanks,
> 
> Mark Chu-Carroll
> 
>

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