| Zbigniew Jędrzejewski-Szmek | 86b3ca7 | 2017-04-18 17:14:48 -0400 | [diff] [blame] | 1 | #!/bin/sh -eu |
| Zbigniew Jędrzejewski-Szmek | 005a29f | 2017-04-13 11:52:05 -0400 | [diff] [blame] | 2 | |
| 3 | # output width |
| 4 | if "$1" --help | grep -v 'default:' | grep -E -q '.{80}.'; then |
| Zbigniew Jędrzejewski-Szmek | b884196 | 2017-04-24 19:40:02 -0400 | [diff] [blame^] | 5 | echo "$(basename "$1") --help output is too wide:" |
| 6 | "$1" --help | awk 'length > 80' | grep -E --color=yes '.{80}' |
| 7 | exit 1 |
| Zbigniew Jędrzejewski-Szmek | 005a29f | 2017-04-13 11:52:05 -0400 | [diff] [blame] | 8 | fi |
| 9 | |
| 10 | # no --help output to stdout |
| 11 | if "$1" --help 2>&1 1>/dev/null | grep .; then |
| Zbigniew Jędrzejewski-Szmek | b884196 | 2017-04-24 19:40:02 -0400 | [diff] [blame^] | 12 | echo "$(basename "$1") --help prints to stderr" |
| 13 | exit 2 |
| Zbigniew Jędrzejewski-Szmek | 005a29f | 2017-04-13 11:52:05 -0400 | [diff] [blame] | 14 | fi |
| 15 | |
| 16 | # error output to stderr |
| 17 | if ! "$1" --no-such-parameter 2>&1 1>/dev/null | grep -q .; then |
| Zbigniew Jędrzejewski-Szmek | b884196 | 2017-04-24 19:40:02 -0400 | [diff] [blame^] | 18 | echo "$(basename "$1") with an unknown parameter does not print to stderr" |
| 19 | exit 3 |
| Zbigniew Jędrzejewski-Szmek | 005a29f | 2017-04-13 11:52:05 -0400 | [diff] [blame] | 20 | fi |