gnu/dist/gettext/gettext-tools/man/x-to-1.in

   1 #! /bin/sh
   2 #
   3 # Copyright (C) 2001, 2003 Free Software Foundation, Inc.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2, or (at your option)
   8 # any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18 #
  19
  20 # This program creates a program's manual from the .x skeleton and its --help
  21 # output.
  22
  23 update=
  24 while true; do
  25   case "$1" in
  26     --update) update=yes; shift;;
  27     *) break;;
  28   esac
  29 done
  30
  31 if test $# != 5; then
  32   echo "Usage: x-to-1 [OPTIONS] PERL HELP2MAN executable program.x program.1" 1>&2
  33   exit 1
  34 fi
  35 PERL="$1"
  36 HELP2MAN="$2"
  37 executable="$3"
  38 aux="$4"
  39 output="$5"
  40
  41 progname=`basename $aux .x`
  42 case "$PERL" in *"/missing perl") perlok=no;; *) perlok=yes;; esac
  43 if test @CROSS_COMPILING@ = no && test -f $executable && test $perlok = yes; then
  44   echo "Updating man page $output"
  45   echo "$HELP2MAN --include=$aux $executable > $output"
  46   rm -f t-$progname.1
  47   $HELP2MAN --include=$aux $executable > t-$progname.1 || exit 1
  48   if test -n "$update"; then
  49     # In --update mode, don't overwrite the output if nothing would change.
  50     if cmp t-$progname.1 $output >/dev/null 2>&1; then
  51       rm -f t-$progname.1
  52     else
  53       mv t-$progname.1 $output
  54     fi
  55   else
  56     mv t-$progname.1 $output
  57   fi
  58 else
  59   echo "WARNING: The man page $output cannot be updated yet."
  60 fi