#!/bin/bash
#
# Check rustdoc HTML links and anchors

set -e
set -o pipefail

# nailing-cargo -E --- maint/check-doc-links

${CARGO-cargo ${NAILINGCARGO_TOOLCHAIN}} \
    doc --locked  --all-features -pderive-adhoc

chk_dir=target/doc.link-check

rm -rf target/doc.link-check
cp -al target/doc $chk_dir

# Fix up https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=425632
# And also href="#" links that rustdoc likes to put in for some reason

find $chk_dir -name \*.html -print0 |
xargs -0r -- perl -i~ -pe '
	s{\bid=("[^"]+")[^<>]*\>}{$&<a name=$1>}g;
	s{\bhref="#"}{}g;
'

linklint -out linklint.errors -error -root $chk_dir /derive_adhoc/@

cat linklint.errors

set +e
grep ERROR linklint.errors
rc=$?
set -e

case $rc in
0) echo >&2 '** found linkcheck errors **'; exit 1;;
1) ;;
*) echo >&2 "linkcheck failed $rc"; exit 1;;
esac