Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

remarks-linking-bundle-empty.test
RUN: rm -rf %t
RUN: mkdir -p %t
RUN: cat %p/../Inputs/remarks/basic.macho.remarks.empty.x86_64 > %t/basic.macho.remarks.empty.x86_64

RUN: dsymutil -oso-prepend-path=%p/../Inputs -remarks-prepend-path=%p/../Inputs %t/basic.macho.remarks.empty.x86_64

Check that the remark file in the bundle does not exist:
RUN: not cat %t/basic.macho.remarks.empty.x86_64.dSYM/Contents/Resources/Remarks/basic.macho.remarks.empty.x86_64 2>&1