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seirdy.one/scripts/vnu.sh
Rohan Kumar 6c9a8a9b20
Run Nu HTML Checker with both HTML and XML parsers
Requires silencing an HTML-only error that isn't actually an error, but
a hint that doesn't apply to polygot markup (warns against trailing
slashes which aren't a problem if you always use quotes).
2023-11-25 13:32:55 -08:00

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#!/bin/sh
# Runs the Nu HTML checker (assumed to be available on your $PATH as `vnu`) on all pages.
#shellcheck disable=SC3040 # This only sets pipefail if it's available and otherwise does nothing
set -o pipefail 2>/dev/null || true
set -e -u
dirname="$(dirname "$0")"
output_dir="$1"
# List all HTML, XHTML, and SVG files we wish to check.
# We test both XHTML and HTML files, despite the fact that they are identical, because we want to validate under both an HTML and XML parser. VNU has some HTML-only checks.
find_files_to_analyze() {
find "$output_dir" -type f -name '*.html' -o -name '*.xhtml' -o -name '*.svg' \
| grep -Ev '(bimi\.svg|search/index\.x?html)$'
}
# Force a non-zero exit code for vnu. We'll decide the exit status after filtering out false-posives.
vnu_nofail() {
xargs vnu --stdout --format json --also-check-svg || true
}
# files_to_analyze="$(find_files_to_analyze)"
# we skip the BIMI icon (VNU can't handle SVG 1.2) and the search page (it has raw templates).
find_files_to_analyze \
| vnu_nofail \
| sh "$dirname/filter-vnu.sh"