src/utils/scripts/linkcvs

   1 #!/bin/bash
   2
   3 # This file is part of the aMule project.
   4 #
   5 # Copyright (c) 2004-2008 aMule Project ( admin@amule.org / http://www.amule.org )
   6 # Copyright (c) 2004-2008 Jacobo Vilella (Jacobo221)
   7 #
   8 # This program is free software; you can redistribute it and/or
   9 # modify it under the terms of the GNU General Public License
  10 # as published by the Free Software Foundation; either
  11 # version 2 of the License, or (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  21 #
  22
  23 ###################################################################
  24 #                                                                 #
  25 #     linkcvs will link the whole cvs tree to the given path      #
  26 #  allowing keeping several compilations from a single cvs tree   #
  27 #                                                                 #
  28 #    Warning: This script overwrites old files in target_path     #
  29 #                                                                 #
  30 ###################################################################
  31 #                                                                 #
  32 #           Script valid as of 4rd June 2004 aMule CVS            #
  33 #         Suggestions go to Jacobo221 at @amule dot .org          #
  34 #                                                                 #
  35 ###################################################################
  36 #                                                                 #
  37 #     This code is distributed under terms of the GPL License     #
  38 #               http://www.gnu.org/copyleft/gpl.html              #
  39 #                                                                 #
  40 ###################################################################
  41 #                                                                 #
  42 #   EXEC is a list of the files which will be called as scripts   #
  43 #       EXEC_NUMBER is the amount of EXEC files in the list       #
  44 #    EXEC_PREFIX is the command to prefix the call of the EXEC    #
  45 #   EXEC_POSTFIX is the command to postfix the call of the EXEC   #
  46 #    COPY is a list of files which will be copies, not linked     #
  47 #         Priviledge order (max to min): EXEC, COPY, CVS          #
  48 #                                                                 #
  49 ###################################################################
  50
  51 EXEC_NUMBER=0
  52 # The follwing four lines were needed for aMule versions previous to 2.0.0
  53 # EXEC_NUMBER=1
  54 # EXEC=("autogen.sh")
  55 # EXEC_PREFIX=("original=\`readlink src/SharedFileList.h\` && cp -d --remove-destination \"\$original\" src/ && ")
  56 # EXEC_POSTFIX=("ln -sf \"\$original\" src/SharedFileList.h")
  57 COPY=""
  58
  59 if [ $# -ne 2 ]; then
  60         echo "`basename $0`: invalid number of arguments"
  61         echo "Try \``basename $0` <cvs_tree_path> <target_path>'"
  62         exit 1
  63 elif [ ! -e "$1" ]; then
  64         echo "`basename $0`: $1 doesn't exist!"
  65         exit 2
  66 elif [ ! -d "${1}/CVS" ]; then
  67         echo "`basename $0`: $1 isn't a CVS tree!"
  68         exit 3
  69 elif [ ! -e "${1}/CVS/Entries" ]; then
  70         echo "`basename $0`: $1 has no Entries file!"
  71         exit 4
  72 fi
  73
  74 SOURCE="$1"
  75 TARGET="$2"
  76
  77 if [ "`echo \"$SOURCE\" | cut -c 1`" != "/" ] && [ "`echo \"$SOURCE\" | cut -c 1`" != "~" ]; then
  78                                         SOURCE="`pwd`/$SOURCE"
  79 fi
  80 if [ "`echo \"$TARGET\" | cut -c 1`" != "/" ] && [ "`echo \"$TARGET\" | cut -c 1`" != "~" ]; then
  81                                         TARGET="`pwd`/$TARGET"
  82 fi
  83
  84 cvs_rec()
  85 {
  86         local FILES=`cat "${SOURCE}/$1"/CVS/Entries | cut -f 2 -d "/" -s`
  87         # Alternative option would be to place `grep "^D/"` and `grep "^"`
  88         for file in $FILES; do
  89                 if [ -d "${SOURCE}/${1}/$file" ]; then
  90                         mkdir -p "${TARGET}/${1}/$file"
  91                         cvs_rec "${1}/$file"
  92                 else
  93                         target="${TARGET}/${subfile/$SOURCE}/${1}"
  94                         if [ ! -e "${SOURCE}/${1}/$file" ]; then
  95                                 echo "${SOURCE}/${1}/$file not found!"
  96                         else
  97                                 ln -sf "${SOURCE}/${1}/$file" "$target"
  98                         fi
  99                 fi
 100         done
 101 }
 102
 103 if [ ! -e "$TARGET" ]; then
 104         echo -n "$TARGET doesn't exist. Should I create it? [y/n]"
 105         read -s -n 1 opt
 106         if [ $opt = Y -o $opt = y ]; then
 107                 echo " Copying..."
 108                 mkdir -p "$TARGET"
 109         else
 110                 echo "`basename $0`: target_path invalid"
 111                 exit 5
 112         fi
 113 fi
 114
 115 cvs_rec ""
 116
 117 for file in $COPY; do
 118         mkdir -p "${TARGET}/`dirname $file`"
 119         for subfile in ${SOURCE}/$file; do
 120                 if [ ! -e "$subfile" ]; then
 121                         echo "$subfile not found!"
 122                 else
 123                         # -d --remove-destination is esential for links handling
 124                         cp -d --remove-destination "$subfile" "${TARGET}/${subfile/$SOURCE}"
 125                 fi
 126         done
 127 done
 128
 129 i=0
 130 while [ "$i" -lt "$EXEC_NUMBER" ]; do
 131         mkdir -p "${TARGET}/`dirname $file`"
 132         for subfile in "${SOURCE}"/${EXEC[$i]}; do
 133                 if [ ! -e "$subfile" ]; then
 134                         echo "$subfile not found!"
 135                 else
 136                         target="${TARGET}/${subfile/$SOURCE}"
 137                         rm -f "$target" # Necessary in case $target is a link
 138                         echo ${EXEC_PREFIX[$i]} > "$target"
 139                         echo -n "$subfile && " >> "$target"
 140                         echo ${EXEC_POSTFIX[$i]} >> "$target"
 141                         chmod a+x "$target"
 142                 fi
 143         done
 144         i=`expr $i + 1`
 145 done
 146