gitbook_to_pdf.sh

# #!/bin/bash

GITBOOK_REP=$1
SUMMARY_FILE="SUMMARY.md"
echo $OUTPUT_FILE

if [ -d "$GITBOOK_REP" ]; then

  echo "Entering directory '$GITBOOK_REP'..."
  cd $GITBOOK_REP
  mkdir temp
  # Add svg files - converted drawio figures will be overwritten
  find chapters -type f -name '*.svg' | while read file; do
    rsvg-convert -f pdf -o temp/$(basename "${file%.*}").pdf $file
  done
  # Convert drawio files to pdf
  draw.io --crop -xtrf pdf -o temp/ drawio/
  # Add pre-existing pdf files
  find temp -type f -name '*.drawio.pdf' | while read file; do
    mv $file ${file%.*.*}.pdf
  done
  # Convert PNGs and JPGs
  find chapters -type f \( -name '*.png' -o -name '*.jpg' \) | while read file; do
    if ! [ -f "temp/$(basename "${file%.*}")" ]; then
      convert $file temp/$(basename "${file%.*}").pdf
    fi
  done
  cp -f assets/pdf/* temp
  if [ -f "$SUMMARY_FILE" ]; then
    # read summary and get texts by order in a single big file
    # we replace: 
    #   hint tip and working by --- markdown block
    #   $$ -> $ (for latex math mode)
    #   old image paths to temp folder
    #   html comments -> their content (for image widths)
    #   escaped spaces -> normal spaces (for soul)
    #   \^{} -> {\^{}} (for soul)
    pandoc $SUMMARY_FILE -t html | \
      grep -o '<a href=['"'"'"][^"'"'"']*['"'"'"]' | \
      sed -e 's/^<a href=["'"'"']//' -e 's/["'"'"']$//'| \
      xargs cat | \
      sed 's/\$\$/\$/g' | \
      perl -pe "s/{% hint style='tip' %}/***\n**_Tip:_** /g" | \
      perl -pe "s/{% hint style='working' %}/***\n**_TODO:_** /g" | \
      perl -pe 's/{% endhint %}/\n***/g' | \
      perl -pe 's/{% include "\/includes\/youtube.md" %}//g' | \
      perl -pe 's/{% set video_id = "([A-Za-z0-9-_]*)" %}/***\nWatch our video on YouTube:\n\nhttp:\/\/www.youtube.com\/embed\/\1\n\n***/g' | \
      perl -pe "s/(\!\[.*\]\(.*\))<\!--(.*)-->/\1\2/g" | \
      pandoc -s -f markdown-blank_before_header+lists_without_preceding_blankline -t json | python3 filter.py | \
      pandoc -f json -t html --mathjax | \
      pandoc -f html+tex_math_single_backslash -t latex \
              --variable fontsize=11pt \
              --variable=geometry:b5paper \
              --variable mainfont="Georgia" \
              --variable documentclass=book \
              -H latex-conf/head.tex \
              -V subparagraph \
              --resource-path="./:chapters/getting-started/:chapters/intelligent-testing:chapters/pragmatic-testing:chapters/testing-techniques:chapters/appendix" \
              --toc --toc-depth=3 | \
      perl -pe "s/img.*\/(.*)\.(svg|png|jpg)/temp\/\1.pdf/g" | \
      perl -pe 's/\\ / /g' | \
      perl -pe 's/(\\\^\{\})/\{\1\}/g' > book.tex
    lualatex --shell-escape book.tex
    # Run again to include ToC
    lualatex --shell-escape book.tex
    rm book.tex book.dvi book.out.ps book.aux book.log book.toc texput.log
  else
    echo "File '$SUMMARY_FILE' does not exist"
  fi
  # Remove drawio PDFs
  rm -r temp
else
  echo "Directory '$GITBOOK_REP' does not exist"
fi