symlink-tree

   1 #!/bin/sh
   2 # Create a symlink tree.
   3 #
   4 # Syntax: symlink-tree srcdir "ignore1 ignore2 ..."
   5 #
   6 # where srcdir is the directory to create a symlink tree to,
   7 # and "ignoreN" is a list of files/directories to ignore.
   8
   9 prog=$0
  10 srcdir=$1
  11 ignore="$2"
  12
  13 if test $# -lt 1; then
  14   echo "symlink-tree error:  Usage: symlink-tree srcdir \"ignore1 ignore2 ...\""
  15   exit 1
  16 fi
  17
  18 ignore_additional=". .. CVS"
  19
  20 # If we were invoked with a relative path name, adjust ${prog} to work
  21 # in subdirs.
  22 case ${prog} in
  23 /* | [A-Za-z]:[\\/]*) ;;
  24 *) prog=../${prog} ;;
  25 esac
  26
  27 # Set newsrcdir to something subdirectories can use.
  28 case ${srcdir} in
  29 /* | [A-Za-z]:[\\/]*) newsrcdir=${srcdir} ;;
  30 *) newsrcdir=../${srcdir} ;;
  31 esac
  32
  33 for f in `ls -a ${srcdir}`; do
  34   if [ -d ${srcdir}/$f ]; then
  35     found=
  36     for i in ${ignore} ${ignore_additional}; do
  37       if [ "$f" = "$i" ]; then
  38         found=yes
  39       fi
  40     done
  41     if [ -z "${found}" ]; then
  42       echo "$f          ..working in"
  43       if [ -d $f ]; then true; else mkdir $f; fi
  44       (cd $f; ${prog} ${newsrcdir}/$f "${ignore}")
  45     fi
  46   else
  47     echo "$f            ..linked"
  48     rm -f $f
  49     ln -s ${srcdir}/$f .
  50   fi
  51 done
  52
  53 exit 0