Command changelog wip

[woile]

TODO:

• Create partial changelog from latest version. This allows people to modify the changelog manually.
• Include --changelog flag in bump command

[woile]

@Lee-W this is almost ready, I need to add more tests and fix the mypy errors, maybe you wanna run it.

[Lee-W]

@woile I just test it. It looks great! It seems you miss the install_requires devtools (or maybe it's not needed when we actually publish it?). Also, the latest version it generates is v1.16.4 (2020-03-03) instead of 1.18.2 or 1.18.3.

[woile]

Sorry, I'm gonna remove the debug

Also, the latest version it generates is v1.16.4 (2020-03-03) instead of 1.18.2 or 1.18.3.

What are the steps to reproduce this?

[Lee-W]

What are the steps to reproduce this?

Checkout this branch and run cz changelog --incremental

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (command-changelog@5bf5542). Click here to learn what that means.
The diff coverage is n/a.

@@                 Coverage Diff                  @@
##             command-changelog     #163   +/-   ##
====================================================
  Coverage                     ?   91.55%           
====================================================
  Files                        ?       35           
  Lines                        ?      947           
  Branches                     ?        0           
====================================================
  Hits                         ?      867           
  Misses                       ?       80           
  Partials                     ?        0           

Flag	Coverage Δ
#unittests	91.55% <0.00%> (?)

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[woile]

@Lee-W now is quite complete, I think it's ready to be merged into changelog-command and from there make a new release

[Lee-W]

Is the default behavior now generate incremental changelog? I think this choice makes more sense. Just want to make sure everything works as you expect.

[woile]

Yes, for now I think it should be the default behavior, specially for existing projects with an old changelog. If issues araise we can always support some arguments in the bump's changelog somehow.
I will merge later today then :D :D