guile-tools.in

   1 #!/bin/sh
   2
   3 #       Copyright (C) 2001, 2003, 2006, 2008 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., 51 Franklin Street, Fifth Floor,
  18 # Boston, MA 02110-1301 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: $default_scriptsdir
  42 EOF
  43 }
  44
  45 prefix="@prefix@"
  46 datarootdir="@datarootdir@"
  47 pkgdatadir="@datadir@/@PACKAGE@"
  48 guileversion="@GUILE_EFFECTIVE_VERSION@"
  49 default_scriptsdir=$pkgdatadir/$guileversion/scripts
  50
  51 # pre-install invocation frob
  52 mydir=`dirname $0`
  53 if [ -d "$mydir/scripts" -a -f "$mydir/scripts/Makefile.am" ] ; then
  54     default_scriptsdir=`(cd $mydir/scripts ; pwd)`
  55 fi
  56
  57 # option processing -- basically, you can override either the script dir
  58 # completely, or just the guile version.  we choose implementation simplicity
  59 # over orthogonality.
  60
  61 case x"$1" in
  62 x--version)
  63     echo $0 $guileversion
  64     exit 0
  65     ;;
  66 x--help)
  67     help
  68     exit 0
  69     ;;
  70 esac
  71
  72 if [ x"$1" = x--scriptsdir ] ; then
  73     user_scriptsdir=$2
  74     shift
  75     shift
  76 elif [ x"$1" = x--guileversion ] ; then
  77     user_scriptsdir=$pkgdatadir/$2/scripts
  78     shift
  79     shift
  80 fi
  81
  82 scriptsdir=${user_scriptsdir-$default_scriptsdir}
  83
  84 if [ ! -d $scriptsdir ] ; then
  85     echo $0: no such directory: $scriptsdir
  86     exit 1
  87 fi
  88
  89 if [ x"$1" = x -o x"$1" = xlist ] ; then
  90     ls $scriptsdir
  91     exit 0
  92 fi
  93
  94 if [ x"$1" = x--source ] ; then
  95     if [ x"$2" = x ] ; then echo $0: need to specify program ; exit 1 ; fi
  96     if [ -x $scriptsdir/$2 ] ; then
  97         cat $scriptsdir/$2
  98         exit 0
  99     else
 100         echo $0: no such program: $2
 101         exit 1
 102     fi
 103 fi
 104
 105 program=$scriptsdir/$1
 106 shift
 107
 108 if [ -x $program ] ; then
 109     exec $program "$@"
 110 else
 111     echo $0: no such program: $program
 112     exit 1
 113 fi
 114
 115 # guile-tools ends here