[main] Source code updates from dotnet/dotnet#2798

adamsitnik merged 5 commits into

maindotnet/command-line-api:mainfrom

darc-main-89a0709d-9e74-4f7e-be75-11a28dd62d32dotnet/command-line-api:darc-main-89a0709d-9e74-4f7e-be75-11a28dd62d32Copy head branch name to clipboard