Save schema SHA

[ajtritt]

Motivation

Store SHA of schema in files.

How to test the behavior?

Show how to reproduce the new behavior (can be a bug fix or a new feature)

Checklist

• Did you update CHANGELOG.md with your changes?
• Have you checked our Contributing document?
• Have you ensured the PR clearly describes the problem and the solution?
• Is your contribution compliant with our coding style? This can be checked running flake8 from the source directory.
• Have you checked to ensure that there aren't other open Pull Requests for the same change?
• Have you included the relevant issue number using "Fix #XXX" notation where XXX is the issue number? By including "Fix #XXX" you allow GitHub to close issue #XXX when the PR is merged.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.59%. Comparing base (de33763) to head (7abe402).
⚠️ Report is 451 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #546   +/-   ##
=======================================
  Coverage   86.59%   86.59%           
=======================================
  Files          42       42           
  Lines        8659     8659           
  Branches     1868     1868           
=======================================
  Hits         7498     7498           
  Misses        832      832           
  Partials      329      329           

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