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24 lines
621 B
Bash
Executable File
24 lines
621 B
Bash
Executable File
#!/bin/sh
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set -eu
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export SYSTEMD_LOG_LEVEL=info
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# output width
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if "$1" --help | grep -v 'default:' | grep -E -q '.{80}.'; then
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echo "$(basename "$1") --help output is too wide:"
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"$1" --help | awk 'length > 80' | grep -E --color=yes '.{80}'
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exit 1
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fi
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# no --help output to stdout
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if "$1" --help 2>&1 1>/dev/null | grep .; then
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echo "$(basename "$1") --help prints to stderr"
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exit 2
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fi
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# error output to stderr
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if ! "$1" --no-such-parameter 2>&1 1>/dev/null | grep -q .; then
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echo "$(basename "$1") with an unknown parameter does not print to stderr"
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exit 3
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fi
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