1#!/bin/sh
2#
3# Permission to use, copy, modify, and/or distribute this software for
4# any purpose with or without fee is hereby granted.
5#
6# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
7# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
8# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
9# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
10# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
11# AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
12# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
13#
14# shellcheck disable=SC2086
15
16if [ "$#" -eq 0 ]; then
17    echo "Usage: $0 manpage-directory..."
18    exit 1
19fi
20
21if ! command -v mandoc > /dev/null; then
22    echo "skipping mancheck because mandoc is not installed"
23    exit 0
24fi
25
26IFS="
27"
28
29files="$(find "$@" -type f -name '*[1-9]*')" || exit 1
30
31add_excl="$(awk '
32    /^.\\" lint-ok:/ {
33        print "-e"
34        $1 = "mandoc:"
35        $2 = FILENAME ":[[:digit:]]+:[[:digit:]]+:"
36        print
37    }' $files)"
38
39# Redirect to file instead of 2>&1ing because mandoc flushes inconsistently(?) which tears lines
40# https://github.com/openzfs/zfs/pull/12129/checks?check_run_id=2701608671#step:5:3
41etmp="$(mktemp)"
42! { mandoc -Tlint $files 2>"$etmp"; cat "$etmp"; rm -f "$etmp"; } |
43    grep -vE -e 'mandoc: outdated mandoc.db' -e 'STYLE: referenced manual not found' $add_excl >&2
44