Show less output on sync with quiet option

[atugushev]

Doesn't show "Everything up-to-date" if quiet option is set.

Changelog-friendly one-liner: Show less output on sync with quiet option

Contributor checklist

• Provided the tests for the changes.
• Requested a review from another contributor.
• Gave a clear one-line description in the PR (that the maintainers can add to CHANGELOG.md on release).
• Assign the PR to an existing or new milestone for the target version (following Semantic Versioning).

[codecov]

Codecov Report

Merging #765 into master will increase coverage by 0.03%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #765      +/-   ##
==========================================
+ Coverage   91.99%   92.03%   +0.03%     
==========================================
  Files          35       35              
  Lines        2311     2322      +11     
  Branches      307      308       +1     
==========================================
+ Hits         2126     2137      +11     
  Misses        153      153              
  Partials       32       32

Impacted Files	Coverage Δ
tests/test_sync.py	100% <100%> (ø)	⬆️
tests/test_cli_sync.py	100% <100%> (ø)	⬆️
piptools/sync.py	100% <100%> (ø)	⬆️

---

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[codecov]

Codecov Report

Merging #765 into master will increase coverage by 0.03%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #765      +/-   ##
==========================================
+ Coverage   91.99%   92.03%   +0.03%     
==========================================
  Files          35       35              
  Lines        2311     2322      +11     
  Branches      307      308       +1     
==========================================
+ Hits         2126     2137      +11     
  Misses        153      153              
  Partials       32       32

Impacted Files	Coverage Δ
tests/test_sync.py	100% <100%> (ø)	⬆️
tests/test_cli_sync.py	100% <100%> (ø)	⬆️
piptools/sync.py	100% <100%> (ø)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 8de11ae...118c6ec. Read the comment docs.

[blueyed]

Nice!

[atugushev]

@blueyed thanks!

[atugushev]

pip-tools v3.6.0 is released