build-gnu.sh: adapt `basenc` message to clap changes #459

	name: CheckScripts

	# spell-checker:ignore ludeeus mfinelli

	env:
	SCRIPT_DIR: 'util'

	on:
	push:
	branches:
	- main
	paths:
	- 'util/*/.sh'
	pull_request:
	branches:
	- main
	paths:
	- 'util/*/.sh'

	# End the current execution if there is a new changeset in the PR.
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

	jobs:
	shell_check:
	name: ShellScript/Check
	runs-on: ubuntu-latest
	permissions:
	contents: read
	steps:
	- uses: actions/checkout@v4
	- name: Run ShellCheck
	uses: ludeeus/action-shellcheck@master
	env:
	SHELLCHECK_OPTS: -s bash
	with:
	severity: warning
	scandir: ${{ env.SCRIPT_DIR }}
	format: tty

	shell_fmt:
	name: ShellScript/Format
	runs-on: ubuntu-latest
	permissions:
	contents: read
	steps:
	- uses: actions/checkout@v4
	- name: Setup shfmt
	uses: mfinelli/setup-shfmt@v3
	- name: Run shfmt
	shell: bash
	run: \|
	# fmt options: bash syntax, 4 spaces indent, indent for switch-case
	echo "## show the differences between formatted and original scripts..."
	find ${{ env.SCRIPT_DIR }} -name "*.sh" -print0 \| xargs -0 shfmt -ln=bash -i 4 -ci -d \|\| true

Provide feedback