Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

fail-file-open.test
# RUN: not llvm-ifs --output-ifs=%t.tbe %s.NotAFileInTestingDir 2>&1 | FileCheck %s

This file will not be read. An invalid file path is fed to llvm-ifs.

# CHECK: error: Could not open `{{.*}}.NotAFileInTestingDir`