Joel Brobecker e536bf865a centralize the computation of the list of commits to apply checks on ...

This change is mostly a cleanup which simplifies a bit the iteration
over the list of commits for which to perform the various checks,
by having that information provided via an attribute whose name
is very specific about the semantics of what to use that list for.

This was motivated by an issue we discovered recently where we forgot
to exclude some commits when calling the commit-extra-checker hook.
This happened because, no matter how simple the algorithm for
computing the list of commits to check was, that simple algorithm
was duplicated in many places. This avoids that, in the hopes that
this will prevent this same kind of issues again in the future.

Another way to view the benefits of this cleanup is that this will
help ensure consistency in terms of the list of commits to which
the various checks are applied.

Note that we could have logically split this patch into two steps,
with the first step simply renaming the "added_commits" attribute
into "new_commits_for_ref", and then a second step introducing
the "commits_to_check" attribute. In the end, both are combined
in a single commit because it seems easier to review every location
where the "added_commits" attribute was used, and make sure from
the context that the correct list of commits was chosen in each
instance the "added_commits" list used to be referenced.
Otherwise, it's harder to review the second commit adding
the "commits_to_check" attribute, because the reviewer then has to
audit the entire set of sources himself in order to make sure
no spot was missed.

No actual behavior change should result from this change, and
therefore no test is being added.

Change-Id: I93c206968800dc738d3ebe4f5424f9201875383b
TN: T929-030

2020-10-02 11:09:37 -07:00

..

__init__.py

centralize the computation of the list of commits to apply checks on

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creation.py

centralize the computation of the list of commits to apply checks on

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deletion.py

centralize the computation of the list of commits to apply checks on

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update.py

centralize the computation of the list of commits to apply checks on

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