Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

empty-uid-gid.test
RUN: env TZ=GMT llvm-ar tv %S/Inputs/msvc-import.lib | FileCheck %s

CHECK: --------- 0/0      0 Jan 1 {{[0-9:.]+}} 1970 library.dll