release.sh

#!/bin/bash

set -ex

TEXLIVE_DOCKER="texlive/texlive@sha256:18f1e85aecc7ad016159110c97eb15475325a9b42e86c9f0f554ba071f7207d3"

# source: https://stackoverflow.com/questions/29436275/how-to-prompt-for-yes-or-no-in-bash
function yes_or_no {
  while true; do
    read -p "$* [y/n]: " yn
    case $yn in
      [Yy]*) return 0  ;;
      [Nn]*) echo "Aborted" ; return  1 ;;
    esac
  done
}

err_report() {
  echo
  echo
  echo "release.sh:$1: ERROR: Some command failed (see above and in release.log)"
  exit 1
}

trap 'err_report $LINENO' ERR

if [[ $# -ne 1 ]]; then
  echo "Usage: release.sh input.tex"
  exit 1
fi

if [[ -e submission.tex ]] && [[ $1 -ef submission.tex ]]; then
  echo "Your file is named 'submission.tex' and I would overwrite it. Aborting..."
  exit 1
fi

if [[ ! -e graphicscache.sty ]]; then
  echo "Please copy graphicscache.sty to this directory to include it in the release."
  exit 1
fi

if ! command -v docker || ! docker container ls &> /dev/null; then
  echo "Docker is not installed or you are not member of the docker group. Using your latex installation directly, but it might not match arXiv's one."
  function run() {
    "$@"
  }
  function run_in_test_release() {
    ( cd test_release && "$@" )
  }
else
  echo "Found docker, using it."
  function run() {
    docker run --rm --user $(id -u):$(id -g) -v $(pwd):$(pwd) -w $(pwd) ${TEXLIVE_DOCKER} "$@"
  }
  function run_in_test_release() {
    docker run --rm --user $(id -u):$(id -g) -v $(pwd)/test_release:$(pwd)/test_release -w $(pwd)/test_release ${TEXLIVE_DOCKER} "$@"
  }
fi

echo "1) Running latexpand to strip comments and unify your .tex file..."
echo '\PassOptionsToPackage{hashshortnames}{graphicscache}' > submission.tex
run latexpand --empty-comments $1 >> submission.tex

echo
echo "2) Running pdflatex (log in release.log)..."
run pdflatex -shell-escape -interaction nonstopmode submission.tex &>> release.log
run pdflatex -shell-escape -interaction nonstopmode submission.tex &>> release.log

if grep -F "run Biber on the file" release.log &> /dev/null; then
  run biber submission
else
  run bibtex submission
fi

run pdflatex -shell-escape -interaction nonstopmode submission.tex &>> release.log
run pdflatex -shell-escape -interaction nonstopmode submission.tex &>> release.log

echo
echo "3) Running pdflatex with render=false to determine needed files..."
mv submission.tex submission.tex.orig
echo '\makeatletter\def\graphicscache@inhibit{true}\makeatother' > submission.tex
cat submission.tex.orig >> submission.tex
run pdflatex -shell-escape -interaction nonstopmode -recorder submission.tex &>> release.log

grep "^INPUT" submission.fls \
  | cut -d ' ' --complement -f 1 \
  | grep -v '^/' \
  | grep -v 'submission\..*' \
  | while read f; do echo $(realpath --relative-to=. "$f"); done \
  | sort | uniq > submission.fls.clean

FILES=()

while read file; do
  FILES+=("$file")
done < submission.fls.clean

FILES+=("submission.tex")

if [[ -e submission.bbl ]]; then
  FILES+=("submission.bbl")
fi

echo "Files to be included:"
echo ${FILES[@]}

echo "4) Creating archive release.tar..."
tar cf release.tar "${FILES[@]}"

echo "5) Testing compilation..."
if [[ -e test_release ]]; then
  if yes_or_no "The output directory test_release already exists. Can I remove it (rm -Rf test_release)?"; then
    rm -Rf test_release
  else
    exit 1
  fi
fi

mkdir test_release
tar -xf release.tar -C test_release
run_in_test_release pdflatex -shell-escape -interaction nonstopmode submission.tex &>> release.log
run_in_test_release pdflatex -shell-escape -interaction nonstopmode submission.tex &>> release.log
run_in_test_release pdflatex -shell-escape -interaction nonstopmode submission.tex &>> release.log

echo
echo "Finished. Please check test_release/submission.pdf for correctness."

# Clean up intermediate files
rm -f submission.pdf submission.out submission.aux submission.log submission.fls
rm -f submission.blg submission.bbl submission.tex.orig