#!/bin/bash

# shellcheck disable=SC1004 # literal backslash+linefeed is intended

set -e

script_path=$(cd -P -- "$(dirname -- "$0")" && pwd -P)

cd "${script_path}/.."

export LC_ALL=C # Make the directory order reproducible

export MAN_DIR=Base/usr/share/man/

if [[ -e output ]]; then

echo "Directory 'output/' already exists. Delete it first."

exit 1

fi

# Use case-insensitive sorting, which will lead to more intuitive index pages.

SORT="sort -f"

# Prepare output directories

for d in "${MAN_DIR}"*/; do

dir_name=$(basename "$d")

section="${dir_name/man}"

mkdir -p "output/${dir_name}"

done

# Convert markdown to html

# If you're here because your local results are different from the website:

# Check that your pandoc version matches the pandoc-version specified in manpages.yaml.

for md_file in $(find "${MAN_DIR}" -iname '*.md' | ${SORT}); do

relative_path="$(realpath --relative-to="${MAN_DIR}" "${md_file}")"

section="${relative_path%%/*}"

section_number="${section#man}"

filename="${relative_path#*/}"

name="${filename%.md}"

output_file="output/${section}/${name}.html"

echo "Generating $md_file -> $output_file"

mkdir -p "$(dirname "${output_file}")"

pandoc -f gfm -t html5 -s \

-B Meta/Websites/man.serenityos.org/banner-preamble.inc \

--lua-filter=Meta/convert-markdown-links.lua \

--lua-filter=Meta/Websites/man.serenityos.org/add-anchors.lua \

--metadata title="${name}(${section_number}) - SerenityOS man pages" \

-o "${output_file}" \

"${md_file}" &

done

# Wait for all pandoc executions to finish so that man page indices are always correct.

# shellcheck disable=SC2046 # Word splitting is intentional here

wait $(jobs -p)

# Generate man page listings through pandoc

for section_directory in output/*/; do

section=$(basename "${section_directory}")

section_number="${section#man}"

case "${section_number}" in

1) section_title="User Programs";;

2) section_title="System Calls";;

3) section_title="Library Functions";;

4) section_title="Special Files";;

5) section_title="File Formats";;

6) section_title="Games";;

7) section_title="Miscellanea";;

8) section_title="Sysadmin Tools";;

*) section_title="SerenityOS man pages"; echo "WARNING: Unrecognized section ${section_number}?!";;

esac

output="output/${section}/index.html"

echo "Generating section ${section_number} index -> ${output}"

pandoc -f gfm -t html5 -s \

-B Meta/Websites/man.serenityos.org/banner-preamble.inc \

--metadata title="Section ${section_number} - ${section_title}" \

-o "${output}" \

<(

for f in $(find "${section_directory}" -iname '*.html' | ${SORT}); do

filename=$(realpath --relative-to="${section_directory}" "$f")

if [[ "$filename" == "index.html" ]]; then

continue

fi

filename_no_extension="${filename%.html}"

# Generate indentation by subdirectory count: Replace each slash by the two Markdown indentation spaces, then remove all non-space characters.

indentation=$(echo "${filename_no_extension}" | sed -e 's/ //g' -e 's/\// /g' -e 's/[^ ]//g')

name="$(basename "${filename}")"

name="${name%.html}"

echo "${indentation}- [${name}](${filename})"

done

) &

done

# Generate main landing page listings through pandoc

echo 'Generating main pages'

pandoc -f gfm -t html5 -s \

-B Meta/Websites/man.serenityos.org/banner-preamble.inc \

--metadata title="SerenityOS man pages" \

-o output/index.html \

Meta/Websites/man.serenityos.org/index.md &

pandoc -f gfm -t html5 -s \

-B Meta/Websites/man.serenityos.org/banner-preamble.inc \

--metadata title="Can't run applications" \

-o output/cant-run-application.html \

Meta/Websites/man.serenityos.org/cant-run-application.md &

# Copy pre-made files

echo 'Copying images'

rsync -a Meta/Websites/man.serenityos.org/banner.png output/ &

rsync -a Base/usr/share/man/man7/LibDSP_classes.svg output/ &

find Base/usr/share/man/ -iname '*.png' -exec rsync -a {} output/ \; &

# Copy icons

mkdir output/icons

while read -r p; do

rsync -a --relative Base/res/icons/./"$p" output/icons/

done < icons.txt

rm icons.txt

# shellcheck disable=SC2046 # Word splitting is intentional here

wait $(jobs -p)