guile-tools.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
   6 # modify it under the terms of the GNU General Public License as
   7 # published by the Free Software Foundation; either version 2, or
   8 # (at your option) 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 GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this software; see the file COPYING.  If not, write to
  17 # the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  18 # Boston, MA 02111-1307 USA
  19
  20 # Usage: See `help' func below.
  21 #
  22 # TODO
  23 # - handle pre-install invocation
  24 # - "full" option processing (but see comment below)
  25 #
  26 # Author: Thien-Thi Nguyen
  27
  28 help ()
  29 {
  30     cat <<EOF
  31 Usage: guile-tools --version
  32        guile-tools --help
  33        guile-tools [OPTION] PROGRAM [ARGS]
  34
  35 If PROGRAM is "list" or omitted, display contents of scripts dir, otherwise
  36 PROGRAM is run w/ ARGS.  Options (only one of which may be used at a time):
  37  --scriptsdir DIR    -- Look in DIR for scripts
  38  --guileversion VERS -- Look in $pkgdatadir/VERS/scripts for scripts
  39  --source            -- Display PROGRAM source (ignore ARGS) to stdout
  40
  41 Default scripts dir: $default_scriptsdir
  42 EOF
  43 }
  44
  45 prefix="@prefix@"
  46 pkgdatadir="@datadir@/@PACKAGE@"
  47 guileversion="@GUILE_EFFECTIVE_VERSION@"
  48 default_scriptsdir=$pkgdatadir/$guileversion/scripts
  49
  50 # pre-install invocation frob
  51 mydir=`dirname $0`
  52 if [ -d "$mydir/scripts" -a -f "$mydir/scripts/Makefile.am" ] ; then
  53     default_scriptsdir=`(cd $mydir/scripts ; pwd)`
  54 fi
  55
  56 # option processing -- basically, you can override either the script dir
  57 # completely, or just the guile version.  we choose implementation simplicity
  58 # over orthogonality.
  59
  60 case x"$1" in
  61 x--version)
  62     echo $0 $guileversion
  63     exit 0
  64     ;;
  65 x--help)
  66     help
  67     exit 0
  68     ;;
  69 esac
  70
  71 if [ x"$1" = x--scriptsdir ] ; then
  72     user_scriptsdir=$2
  73     shift
  74     shift
  75 elif [ x"$1" = x--guileversion ] ; then
  76     user_scriptsdir=$pkgdatadir/$2/scripts
  77     shift
  78     shift
  79 fi
  80
  81 scriptsdir=${user_scriptsdir-$default_scriptsdir}
  82
  83 if [ ! -d $scriptsdir ] ; then
  84     echo $0: no such directory: $scriptsdir
  85     exit 1
  86 fi
  87
  88 if [ x"$1" = x -o x"$1" = xlist ] ; then
  89     ls $scriptsdir
  90     exit 0
  91 fi
  92
  93 if [ x"$1" = x--source ] ; then
  94     if [ x"$2" = x ] ; then echo $0: need to specify program ; exit 1 ; fi
  95     if [ -x $scriptsdir/$2 ] ; then
  96         cat $scriptsdir/$2
  97         exit 0
  98     else
  99         echo $0: no such program: $2
 100         exit 1
 101     fi
 102 fi
 103
 104 program=$scriptsdir/$1
 105 shift
 106
 107 if [ -x $program ] ; then
 108     exec $program "$@"
 109 else
 110     echo $0: no such program: $program
 111     exit 1
 112 fi
 113
 114 # guile-tools ends here