guile-tools.in

   1 #!/bin/sh
   2
   3 #       Copyright (C) 2001 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
  40 Default scripts dir: $default_scriptsdir
  41 EOF
  42 }
  43
  44 prefix="@prefix@"
  45 pkgdatadir="@datadir@/@PACKAGE@"
  46 guileversion="@GUILE_VERSION@"
  47 default_scriptsdir=$pkgdatadir/$guileversion/scripts
  48
  49 # pre-install invocation frob
  50 mydir=`dirname $0`
  51 if [ -d "$mydir/scripts" -a -f "$mydir/scripts/Makefile.am" ] ; then
  52     default_scriptsdir=`(cd $mydir/scripts ; pwd)`
  53 fi
  54
  55 # option processing -- basically, you can override either the script dir
  56 # completely, or just the guile version.  we choose implementation simplicity
  57 # over orthogonality.
  58
  59 case x"$1" in
  60 x--version)
  61     echo $0 $guileversion
  62     exit 0
  63     ;;
  64 x--help)
  65     help
  66     exit 0
  67     ;;
  68 esac
  69
  70 if [ x"$1" = x--scriptsdir ] ; then
  71     user_scriptsdir=$2
  72     shift
  73     shift
  74 elif [ x"$1" = x--guileversion ] ; then
  75     user_scriptsdir=$pkgdatadir/$2/scripts
  76     shift
  77     shift
  78 fi
  79
  80 scriptsdir=${user_scriptsdir-$default_scriptsdir}
  81
  82 if [ ! -d $scriptsdir ] ; then
  83     echo $0: no such directory: $scriptsdir
  84     exit 1
  85 fi
  86
  87 if [ x"$1" = x -o x"$1" = xlist ] ; then
  88     ls $scriptsdir
  89     exit 0
  90 fi
  91
  92 program=$scriptsdir/$1
  93 shift
  94
  95 if [ -x $program ] ; then
  96     exec $program "$@"
  97 else
  98     echo $0: no such program: $program
  99     exit 1
 100 fi
 101
 102 # guile-tools ends here