Suppress script output based on ENV
What does this MR do and why?
In an attempt to operationalize this script and add it to the small collection of lefthook-invoked scripts, we need to emit "proper" exit codes. At the same time, we want to be able to still run the script manually, in order to generate a list of known unused methods. This MR:
- checks the number of unused methods detected, and emits an error or warning message when the number differs from the last known count
- uses an ENV to suppress output to STDOUT (defaulting to hiding this output)
- adds proper exit codes
Related to #444243
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Edited by Peter Leitzen