etc/mtree.sh

   1 #!/bin/sh
   2 set -e
   3
   4 if [ $# -ne 4 -a $# -ne 5 ]
   5 then    echo "Usage: $0 mtreefile TOOL_AWK TOOL_STAT UNPRIV DESTDIR"
   6         exit 1
   7 fi
   8
   9 AWK=$2
  10 STAT=$3
  11 UNPRIV=$4
  12
  13 if [ $# -eq 5 ]
  14 then    DESTDIR=$5
  15 else    DESTDIR="/"     # If not set, default to root (i.e., normal case)
  16 fi
  17
  18 cat "$1" | while read line
  19 do
  20         NF="`echo $line | ${AWK} '{ print NF }'`"
  21         if [ $NF = 4 ]
  22         then    mode="`echo $line | ${AWK} '{ print $1 }'`"
  23                 owner="`echo $line | ${AWK} '{ print $2 }'`"
  24                 group="`echo $line | ${AWK} '{ print $3 }'`"
  25                 dir="${DESTDIR}`echo $line | ${AWK} '{ print $4 }'`"
  26                 mkdir -p $dir
  27                 echo $dir
  28                 targetdev="`${STAT} -f %d $dir/.`"
  29                 if [ $targetdev -lt 256 ]
  30                 then    echo "skipping non-dev $dir properties"
  31                 elif [ $UNPRIV != yes ]
  32                 then
  33                                 chown $owner $dir
  34                                 chmod $mode $dir
  35                                 chgrp $group $dir
  36                 fi
  37         elif [ $NF = 3 ]
  38         then    target="`echo $line | ${AWK} '{ print $3 }'`"
  39                 linkfile="${DESTDIR}`echo $line | ${AWK} '{ print $1 }'`"
  40                 rm -f $linkfile
  41                 ln -s $target $linkfile
  42         else    echo odd line.
  43                 exit 1
  44         fi
  45 done