retex

   1 #!/bin/bash
   2 # usage: retex [--bibtex] CMD INPUTNAME (without .tex)
   3
   4 set -e
   5
   6 # Add a bibtex option for the streaming notes.
   7 # Since the bibtex needs to be part of the fixed-pointing, I unfortunately don't
   8 # see a better way to handle it than as part of retex.  - Matt 2008-09-02
   9 if [ "$1" == --bibtex ]; then
  10         bibtex=1
  11         shift
  12 fi
  13
  14 if [ $# != 2 ]; then
  15         echo >&2 'usage: retex [--bibtex] CMD INPUTNAME (without .tex)'
  16         exit 1
  17 fi
  18
  19 cmd="$1"
  20 in="$2"
  21 shift 2
  22
  23 # Just Work if passed `foo.tex'.
  24 if [ "$in" != "${in%.tex}" ]; then
  25         in="${in%.tex}"
  26 fi
  27
  28 function run {
  29         if [ $bibtex ] && [ -r "$in.aux" ]; then
  30                 echo "[$iter] Running bibtex..."
  31                 bibtex "$in.aux"
  32                 # Work around \href commands getting line-broken in places that
  33                 # break things ~ Matt 2010-12-17
  34                 sed -i -e '/%$/{N; s/%\n//}; /\\href$/{N; s/\n/ /}' "$in.bbl"
  35         fi
  36         echo "[$iter] Running $2..."
  37         "$cmd" -file-line-error -halt-on-error "$in"
  38 }
  39
  40 function compare {
  41         echo "Comparing files..."
  42         for f in "$in."*; do
  43                 # ignore pdfs because they have a nonreproducible "ID" at the end
  44                 # and logs because they have a less-reproducible time; neither are read
  45                 if [ "$f" == "${f#$in.retex-keep.}" ] && [ "$f" == "${f%.pdf}" ] && [ "$f" == "${f%.log}" ]; then
  46                         suf="${f#$in.}"
  47                         cmp "$in.retex-keep.$suf" "$in.$suf" || return $?
  48                 fi
  49         done
  50         echo "Reached a fixed point."
  51 }
  52
  53 function keep {
  54         echo "Keeping files..."
  55         for f in "$in."*; do
  56                 if [ "$f" == "${f#$in.retex-keep.}" ]; then
  57                         suf="${f#$in.}"
  58                         cp "$in.$suf" "$in.retex-keep.$suf"
  59                 fi
  60         done
  61 }
  62
  63 function clean {
  64         echo "Cleaning up kept files..."
  65         rm -f "$in.retex-keep."*
  66 }
  67
  68 iter=0
  69 keep
  70 run || exit $?
  71 limit=10
  72 while ! compare; do
  73         iter=$(($iter + 1))
  74         if [ $iter -ge $limit ]; then
  75                 echo "Did not reach a fixed point in $limit tries."
  76                 exit 2
  77         fi
  78         keep
  79         run || exit $?
  80 done
  81 clean
  82 echo "Successful."