We should be more aggressive about caching command outputs for Git.
<rdar://problem/79405244>
Created attachment 431564 [details] Patch
Created attachment 431599 [details] Patch for landing
Committed r278955 (238884@main): <https://commits.webkit.org/238884@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 431599 [details].