source/texk/kpathsea/mktexupd

   1 #!/bin/sh
   2 # mktexupd -- update ls-R with a new entry.
   3 #
   4 # Primarily written by Thomas Esser, Karl Berry, and Olaf Weber.
   5 # Public domain.
   6
   7 version='$Id: mktexupd 34656 2014-07-18 23:38:50Z karl $'
   8
   9 # preferentially use subprograms from our own directory.
  10 mydir=`echo "$0" | sed 's,/[^/]*$,,'`
  11 mydir=`cd "$mydir" && pwd`
  12 PATH="$mydir:$PATH"; export PATH
  13
  14 usage="Usage: $0 DIR FILE.
  15   Update the ls-R file with an entry for FILE in DIR.
  16
  17 Report bugs to: tex-k@tug.org
  18 TeX Live home page: <http://tug.org/texlive/>
  19 "
  20 mt_min_args=2
  21 mt_max_args=2
  22
  23 # Common code for all scripts.
  24 : ${MT_TEXMFMAIN=`kpsewhich --expand-path='$TEXMFMAIN'`}
  25 : ${MT_MKTEX_OPT=`kpsewhich --format='web2c files' mktex.opt`}
  26 test -n "$MT_MKTEX_OPT" || MT_MKTEX_OPT="$MT_TEXMFMAIN/web2c/mktex.opt"
  27 if test ! -f "$MT_MKTEX_OPT"; then
  28   echo "$0: Cannot find mktex.opt; check your installation." >&2
  29   exit 1
  30 fi
  31
  32 . "$MT_MKTEX_OPT"
  33
  34 dir=$1
  35 file=$2
  36 test -d "$dir" || { echo "$0: $dir not a directory." >&2; exit 1; }
  37 test -f "$dir/$file" || { echo "$0: $dir/$file not a file." >&2; exit 1; }
  38
  39 OIFS=$IFS; IFS=$SEP; set x `kpsewhich  -show-path=ls-R`; shift; IFS=$OIFS
  40 TEXMFLS_R=
  41 for d in "$@"; do
  42   case $dir in
  43     "") continue;;
  44     ${d}|${d}/*) TEXMFLS_R="$d"; break;;
  45   esac
  46 done
  47 test -n "$TEXMFLS_R" || exit 0
  48 db_file="$TEXMFLS_R/ls-R"
  49 db_file_lc="$TEXMFLS_R/ls-r"
  50
  51 test ! -f "$db_file" && test -f "$db_file_lc" && db_file="$db_file_lc"
  52 test -f "$db_file" || { mktexlsr "$TEXMFLS_R"; exit; }
  53 test -w "$db_file" || { echo "$0: $db_file unwritable." >&2; exit 1; }
  54
  55 test "x`sed '1s/
$//;1q' \"$db_file\"`" = "x$ls_R_magic" \
  56   || test "x`sed '1s/
$//;1q' \"$db_file\"`" = "x$old_ls_R_magic" \
  57   || { echo "$0: $db_file lacks magic string \`$ls_R_magic'." >&2; exit 1; }
  58
  59 # Change `$TEXMFLS_R/' to `./'.
  60 dir=`echo $dir | sed "s%^$TEXMFLS_R/%./%g"`
  61
  62 # May as well always put in a new directory entry; presumably cron will
  63 # come along soon enough and clean things up.
  64 echo "$dir:" >>"$db_file"
  65 echo "$file" >>"$db_file"
  66
  67 exit 0