feat: add stealth_stderr/stdout ttyrec support, enable it for scp (#413) #1903

	name: Basic tests

	on: [push, pull_request]

	jobs:
	test:
	name: perlcritic, perltidy, shellcheck, doc
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v2
	- name: install prerequisites
	run: sudo ./bin/admin/packages-check.sh -i -d
	env:
	DEBIAN_FRONTEND: noninteractive
	- name: shellcheck
	run: bin/dev/shell-check.sh
	- name: perl critic
	run: bin/dev/perl-critic.sh
	- name: perl tidy
	run: bin/dev/perl-tidy.sh test
	- name: autogenerate documentation
	run: make -C doc/sphinx autogenerated
	- name: verify git diff
	run: \|
	if [ "$(git diff --numstat \| wc -l)" != 0 ]; then
	git diff
	echo
	echo "Some autogenerated documentation files are not up to date." >&2
	echo "Please run 'make -C doc/sphinx autogenerated' and commit the result." >&2
	exit 1
	fi

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