symlink-tree

   1 #!/bin/sh
   2 # Create a symlink tree.
   3 #
   4 # Copyright (C) 1995, 2000, 2003  Free Software Foundation, Inc.
   5 #
   6 # This file is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19 # Boston, MA 02110-1301, USA.
  20 #
  21 # As a special exception to the GNU General Public License, if you
  22 # distribute this file as part of a program that contains a
  23 # configuration script generated by Autoconf, you may include it under
  24 # the same distribution terms that you use for the rest of that program.
  25 #
  26 # Please report bugs to <gcc-bugs@gnu.org>
  27 # and send patches to <gcc-patches@gnu.org>.
  28
  29 # Syntax: symlink-tree srcdir "ignore1 ignore2 ..."
  30 #
  31 # where srcdir is the directory to create a symlink tree to,
  32 # and "ignoreN" is a list of files/directories to ignore.
  33
  34 prog=$0
  35 srcdir=$1
  36 ignore="$2"
  37
  38 if test $# -lt 1; then
  39   echo "symlink-tree error:  Usage: symlink-tree srcdir \"ignore1 ignore2 ...\""
  40   exit 1
  41 fi
  42
  43 ignore_additional=". .. CVS"
  44
  45 # If we were invoked with a relative path name, adjust ${prog} to work
  46 # in subdirs.
  47 case ${prog} in
  48 /* | [A-Za-z]:[\\/]*) ;;
  49 *) prog=../${prog} ;;
  50 esac
  51
  52 # Set newsrcdir to something subdirectories can use.
  53 case ${srcdir} in
  54 /* | [A-Za-z]:[\\/]*) newsrcdir=${srcdir} ;;
  55 *) newsrcdir=../${srcdir} ;;
  56 esac
  57
  58 for f in `ls -a ${srcdir}`; do
  59   if [ -d ${srcdir}/$f ]; then
  60     found=
  61     for i in ${ignore} ${ignore_additional}; do
  62       if [ "$f" = "$i" ]; then
  63         found=yes
  64       fi
  65     done
  66     if [ -z "${found}" ]; then
  67       echo "$f          ..working in"
  68       if [ -d $f ]; then true; else mkdir $f; fi
  69       (cd $f; ${prog} ${newsrcdir}/$f "${ignore}")
  70     fi
  71   else
  72     echo "$f            ..linked"
  73     rm -f $f
  74     ln -s ${srcdir}/$f .
  75   fi
  76 done
  77
  78 exit 0