mirror of
https://github.com/systemd/systemd.git
synced 2024-11-01 09:21:26 +03:00
42 lines
1.2 KiB
Bash
Executable File
42 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
|
|
# SPDX-License-Identifier: LGPL-2.1-or-later
|
|
set -eu
|
|
set -o pipefail
|
|
|
|
# Note: `grep ... >/dev/null` instead of just `grep -q` is used intentionally
|
|
# here, since `grep -q` exits on the first match causing SIGPIPE being
|
|
# sent to the sender.
|
|
|
|
BINARY="${1:?}"
|
|
export SYSTEMD_LOG_LEVEL=info
|
|
|
|
if [[ ! -x "$BINARY" ]]; then
|
|
echo "$BINARY is not an executable"
|
|
exit 1
|
|
fi
|
|
|
|
# output width
|
|
if "$BINARY" --help | grep -v 'default:' | grep -E '.{80}.' >/dev/null; then
|
|
echo "$(basename "$BINARY") --help output is too wide:"
|
|
"$BINARY" --help | awk 'length > 80' | grep -E --color=yes '.{80}'
|
|
exit 1
|
|
fi
|
|
|
|
# --help prints something. Also catches case where args are ignored.
|
|
if ! "$BINARY" --help | grep . >/dev/null; then
|
|
echo "$(basename "$BINARY") --help output is empty."
|
|
exit 2
|
|
fi
|
|
|
|
# no --help output to stdout
|
|
if "$BINARY" --help 2>&1 1>/dev/null | grep .; then
|
|
echo "$(basename "$BINARY") --help prints to stderr"
|
|
exit 3
|
|
fi
|
|
|
|
# error output to stderr
|
|
if ! ("$BINARY" --no-such-parameter 2>&1 1>/dev/null || :) | grep . >/dev/null; then
|
|
echo "$(basename "$BINARY") with an unknown parameter does not print to stderr"
|
|
exit 4
|
|
fi
|