Make CSI H sensible when window size is unknown #183
Merged
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What
Why
Since there are many pre-buildkite/agent#2806 agents, we don't know the window size, so can't do absolute vertical positioning reliably.
Instead of removing CSI H again, I took a look at one of the recent log garbling reports, for a job which used Powershell, and found some opportunities to improve the quality of life.
v3.15.0:
![pwsh-3 15 0](https://private-user-images.githubusercontent.com/2398124/366275649-54d0b60f-e1d2-4783-978d-d7c7aa9706a3.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.7ltChy-90Gd6J8YGUQIRjFy8giP6-ZO51Y6Bq0ZmPH8)
v3.16.1:
![pwsh-3 16 1](https://private-user-images.githubusercontent.com/2398124/366275690-92c41c24-f31d-41c8-8b55-e0bd3a44b9cd.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.MU0xoMR7pazX46dEhXdIBzMvLMgE9QI1HF-Ocyd1gWc)
With this PR:
![pwsh-3 16 2](https://private-user-images.githubusercontent.com/2398124/366275743-0dc08d56-e251-4cf1-97b0-a10917e69bd9.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.3dwfC7Zti0QbqPn5twkzpJ76Myu-lxk8hrL9aJDbJvo)