linkchecker

#!/bin/bash

# Rebuild the site
mkdocs build

# Run the link checker on the local site
if [ "$1" = "external" ]; then
    # Also check external links. Requires additional filtering
    exec 5>&1
    echo "Running full link check, including external links. This may take some time..."
    out=$( npx -y broken-link-checker-local@latest ./site -rog \
        --exclude 'https://help.amplitude.com' \
        --exclude 'https://api.amplitude.com' \
        --exclude 'https://api2.ampliude.com' \
        --exclude 'https://amplitude.com/api' \
        --exclude 'https://analytics.eu.amplitude.com/api/' \
        --exclude 'https://help.adjust.com/' \
        --exclude 'https://forum.unity.com/' \
        | grep --line-buffered 'BROKEN\|Getting links from' \
        | grep --line-buffered -v 'HTTP_403\|HTTP_308\|HTTP_401\|HTTP_400' \
        | tee >(cat - >&5) )
else
    # Check only internal links
    exec 5>&1
    echo "Running internal link check..."
    out=$( npx -y broken-link-checker-local@latest ./site -roe \
    | grep --line-buffered 'BROKEN\|Getting links from' \
    | tee >(cat - >&5) )
fi

# Count broken links
fail_count=$(echo "$out" | grep -o BROKEN | wc -l)
echo "Found $fail_count broken links."

# Fail if greater than 0 broken links
if [[ $fail_count -gt 0 ]]
then
    exit 1
else
    exit 0
fi