Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

json-no-difference.test
RUN: llvm-remark-size-diff %p/Inputs/1-func-1-instr-1-stack.yaml %p/Inputs/1-func-1-instr-1-stack.yaml --parser=yaml --report_style=json --pretty | FileCheck -strict-whitespace %s

; CHECK-LABEL: "Files":
; CHECK: "A":{{.*}}1-func-1-instr-1-stack.yaml
; CHECK-NEXT: "B":{{.*}}1-func-1-instr-1-stack.yaml

; CHECK-LABEL: "InBoth":
; CHECK: "FunctionName": "func0",
; CHECK-NEXT: "InstCount":
; CHECK-NEXT: 1,
; CHECK-NEXT: 1
; CHECK-NEXT: ],
; CHECK-NEXT: "StackSize": [
; CHECK-NEXT: 1,
; CHECK-NEXT: 1

; CHECK: "OnlyInA": []
; CHECK: "OnlyInB": []