Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

diff-r-error-6.txt
# Create two directories for further comparison.
# RUN: rm -rf %t/dir1 %t/dir2
# RUN: mkdir -p %t/dir1 %t/dir2

# Empty file vs directory mismatch, diff -r should fail.
# RUN: echo -n > %t/dir1/extra_file
# RUN: mkdir -p %t/dir2/extra_file
# RUN: diff -r %t/dir1 %t/dir2