Prevent dry-run log message from being printed with --quiet option

[ddormer]

Changed the log level for the message "Dry-run, so nothing updated." from warning to info.

Refs #845

Changelog-friendly one-liner: Prevent --dry-run log message from being printed 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).

[ddormer]

I'm not overly happy with tests needing to handle a ValueError raised from Click but I didn't want to touch the Click Result instance variables. Perhaps someone has a better alternative?

[codecov]

Codecov Report

Merging #861 into master will decrease coverage by 0.22%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #861      +/-   ##
==========================================
- Coverage   99.06%   98.84%   -0.23%     
==========================================
  Files          35       35              
  Lines        2142     2158      +16     
  Branches      284      284              
==========================================
+ Hits         2122     2133      +11     
- Misses         12       15       +3     
- Partials        8       10       +2

Impacted Files	Coverage Δ
tests/test_cli_compile.py	100% <100%> (ø)	⬆️
piptools/scripts/compile.py	100% <100%> (ø)	⬆️
piptools/repositories/pypi.py	92.55% <0%> (-2.66%)	⬇️

---

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 520c742...86dfdc4. Read the comment docs.

[codecov]

Codecov Report

Merging #861 into master will decrease coverage by 0.13%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #861      +/-   ##
==========================================
- Coverage   99.06%   98.93%   -0.14%     
==========================================
  Files          35       35              
  Lines        2142     2152      +10     
  Branches      284      284              
==========================================
+ Hits         2122     2129       +7     
- Misses         12       14       +2     
- Partials        8        9       +1

Impacted Files	Coverage Δ
tests/test_cli_compile.py	100% <100%> (ø)	⬆️
piptools/scripts/compile.py	100% <100%> (ø)	⬆️
piptools/repositories/pypi.py	93.61% <0%> (-1.6%)	⬇️

---

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 520c742...fba810d. Read the comment docs.

[atugushev]

Hello @ddormer,

Thanks for the contribution! Could you please fix several issues in tests?

[atugushev]

By the way it also refs to #845 and partially fixes it.

[ddormer]

Thanks for the review @atugushev. Sorry this took so long to get back to, I was on holiday the past week.

[atugushev]

Thanks for your efforts! LGTM 👍

[atugushev]

pip-tools v4.1.0 is released.