On Sun, 2 Dec 2018, Richard Stallman wrote:

> What matters here is that that method doesn't give reliable data for
> the job we need to do.

The job ultimately is a *subjective and contextual* one.  It's not "what 
entities changed in this commit?", it's not even "what commits changed 
this entity?" although that's closer, it's more like "what commits are 
most likely to be relevant to the bug I'm investigating?".  For which a 
range of tools are useful, to be judged by the developer case by case 
(including tools for listing commits, but also bisection, for example).  
And the maintainers and developers of a package know best what tools tend 
to be useful when investigating issues with that package.

-- 
Joseph S. Myers
[email protected]

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