epicyon/manual/make_epub

#!/bin/bash

EPUB_TITLE='Epicyon User Manual'
EPUB_AUTHORS='Bob Mottram'
EPUB_LANGUAGE='English'
EPUB_TAGS='fediverse, activitypub, server, linux, python, smallweb'
EPUB_COMMENTS='ActivityPub server, designed for simplicity and accessibility. Includes calendar, news and sharing economy features to empower your federated community.'
EPUB_PUBLISHER='Fuzzy Books'

if [ ! -f /usr/bin/pandoc ]; then
    echo 'pandoc command not found'
    exit 1
fi
pandoc -t html -f markdown -o manual.html manual.md
git add manual.html
if [ -f /usr/bin/ebook-convert ]; then
    ebook-convert manual.html manual.epub --cover manual-cover.png --authors "${EPUB_AUTHORS}" --language "${EPUB_LANGUAGE}" --tags "${EPUB_TAGS}" --comments "${EPUB_COMMENTS}" --title "${EPUB_TITLE}" --pretty-print  --publisher "${EPUB_PUBLISHER}"
else
    echo 'ebook-convert command not found'
    if [ -f /usr/bin/flatpak ]; then
        if ! flatpak --command="sh" run com.calibre_ebook.calibre \
             -c "ebook-convert manual.html manual.epub --cover manual-cover.png --authors \"${EPUB_AUTHORS}\" --language \"${EPUB_LANGUAGE}\" --tags \"${EPUB_TAGS}\" --comments \"${EPUB_COMMENTS}\" --title \"${EPUB_TITLE}\" --pretty-print --publisher \"${EPUB_PUBLISHER}\""; then
            exit 2
        fi
    fi
fi
if [ -f manual.epub ]; then
    git add manual.epub
fi