build.sh

#!/bin/bash
# ============================================================
# build.sh - compile latex/chapters/*.tex into pdf/*.pdf
# usage:
#   ./build.sh              build all chapters
#   ./build.sh ch01 ch02    build selected chapters
# ============================================================
set -u
ROOT="$(cd "$(dirname "$0")" && pwd)"
SRC="$ROOT/latex/chapters"
OUT="$ROOT/pdf"
TMP="$ROOT/latex/.build"
mkdir -p "$OUT" "$TMP"

if [ $# -gt 0 ]; then
  FILES=""
  for name in "$@"; do
    FILES="$FILES $SRC/${name%.tex}.tex"
  done
else
  FILES="$SRC"/*.tex
fi

FAIL=0
cd "$SRC"
for f in $FILES; do
  base="$(basename "$f" .tex)"
  # encoding guard: chapter sources must contain UTF-8 multibyte chars
  if ! LC_ALL=C grep -q '[^\x00-\x7F]' "$f"; then
    echo "==> $base: ERROR pure-ASCII source (encoding corrupted?), skip"
    FAIL=1
    continue
  fi
  echo "==> Building $base"
  for pass in 1 2; do
    if ! xelatex -interaction=nonstopmode -halt-on-error \
         -output-directory="$TMP" "$f" > "$TMP/$base.pass$pass.log" 2>&1; then
      echo "    FAILED (pass $pass) - see $TMP/$base.pass$pass.log"
      FAIL=1
      continue 2
    fi
  done
  mv "$TMP/$base.pdf" "$OUT/$base.pdf"
  pages=$(pdfinfo "$OUT/$base.pdf" 2>/dev/null | awk '/^Pages:/{print $2}')
  echo "    OK -> pdf/$base.pdf ($pages pages)"
done
exit $FAIL