[perf] Only compute print-dev-env if needed #898
Merged
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Summary
Stacked on #897
This significantly improves
run
andshell
performance (run
goes from 500ms -> 150ms without telemetry)Almost all remaining time for run and shell involves the
exec.Command
so this is close to as fast as it will get.How was it tested?
devbox add hello time devbox run which hello