Close HttpClient to prevent hang on exit. #3992
Merged
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I noticed a delay on shutdown dart-lang/sdk#60659 that turns out to be caused by the codepath that runs if the analyzer seems to be out of date: the actual current version is checked on pub.
This was causing shutdown to wait for the HTTP client timeout, meaning a minimum runtime of about 19 seconds for any run that did a resolve with an out of date analyzer.