1 | #!/bin/sh
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2 |
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3 | version="
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4 | jhalfs 0.1
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5 | Written by Jeremy Huntwork.
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6 |
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7 | This program is published under the \
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8 | Gnu General Public License, Version 2."
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9 |
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10 | usage="\
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11 | Usage: $0 [OPTION]
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12 |
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13 | Options:
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14 | -h, --help print this help, then exit
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15 | -V, --version print version number, then exit
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16 | -L, --LFS-version=VER use VER version of the LFS book
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17 | -D, --download-client=CLIENT use CLIENT as the program for retrieving
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18 | packages
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19 | "
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20 |
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21 | help="\
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22 | Try '$0 --help' for more information."
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23 |
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24 | exit_missing_arg="\
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25 | echo \"Option '\$1' requires an argument\" >&2
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26 | echo \"\$help\" >&2
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27 | exit 1"
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28 |
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29 | no_dl_client="\
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30 | echo \"Could not find a way to download the LFS sources.\" >&2
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31 | echo \"Attempting to continue.\" >&2"
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32 |
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33 | while test $# -gt 0 ; do
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34 | case $1 in
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35 | --version | -V )
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36 | echo "$version"
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37 | exit 0
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38 | ;;
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39 |
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40 | --help | -h )
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41 | echo "$usage"
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42 | exit 0
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43 | ;;
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44 |
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45 | --LFS-version | -L )
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46 | test $# = 1 && eval "$exit_missing_arg"
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47 | shift
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48 | case $1 in
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49 | dev* | SVN | trunk )
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50 | LFSVRS=development
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51 | ;;
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52 | * )
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53 | echo "$1 is an unsupported version at this time."
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54 | exit 1
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55 | ;;
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56 | esac
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57 | shift
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58 | ;;
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59 |
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60 | --download-client | -D )
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61 | test $# = 1 && eval "$exit_missing_arg"
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62 | shift
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63 | DL=$1
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64 | shift
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65 | ;;
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66 |
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67 | * )
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68 | echo "$usage"
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69 | exit 1
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70 | ;;
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71 | esac
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72 | done
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73 |
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74 | # Test to make sure we're running the build as root
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75 |
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76 | if [ "$UID" != "0" ] ; then
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77 | echo "You must be logged in as root to successfully build LFS."
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78 | exit 1
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79 | fi
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80 |
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81 | # Find the download client to use, if not already specified.
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82 |
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83 | if [ -z $DL ] ; then
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84 | if [ `type -p wget` ] ; then
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85 | DL=wget
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86 | elif [ `type -p curl` ] ; then
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87 | DL=curl
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88 | else
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89 | eval "$no_dl_client"
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90 | fi
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91 | fi
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92 |
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93 | SVN="svn://svn.linuxfromscratch.org"
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94 | HTTP=http://ftp.lfs-matrix.net/pub/lfs/lfs-packages/conglomeration
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95 | BUILDDIR=/mnt/lfs
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96 | JHALFSDIR=$BUILDDIR/jhalfs
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97 | LOG=build.log
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98 | MKFILE=$JHALFSDIR/Makefile
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99 |
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100 | get_book() {
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101 | # Check for Subversion instead of just letting the script hit 'svn' and fail.
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102 | test `type -p svn` || eval "echo \"This feature requires Subversion.\"
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103 | exit 1"
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104 | cd $JHALFSDIR
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105 |
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106 | # Test to make sure the LFS version is set
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107 | if [ -z $LFSVRS ] ; then LFSVRS=development ; fi
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108 | echo -n "Downloading the LFS Book, version $LFSVRS... "
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109 |
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110 | # Grab the LFS book fresh if it's missing, otherwise, update it from the
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111 | # repo. If we've already extracted the commands, move on to getting the
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112 | # sources.
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113 | if [ -d lfs-$LFSVRS ] ; then
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114 | cd lfs-$LFSVRS
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115 | if svn up | grep -q At && test -d $JHALFSDIR/commands && \
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116 | test -f $JHALFSDIR/packages && test -f $JHALFSDIR/patches ; then
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117 | echo -ne "done\n"
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118 | get_sources
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119 | else
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120 | echo -ne "done\n"
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121 | extract_commands
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122 | fi
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123 | else
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124 | if [ $LFSVRS = development ] ; then
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125 | svn co $SVN/LFS/trunk/BOOK lfs-$LFSVRS >>$JHALFSDIR/$LOG 2>&1
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126 | else
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127 | svn co $SVN/LFS/branches/$LFSVRS/BOOK lfs-$LFSVRS >>$JHALFSDIR/$LOG 2>&1
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128 | fi
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129 | echo -ne "done\n"
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130 | extract_commands
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131 | fi
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132 | }
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133 |
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134 | extract_commands() {
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135 | # Check for libxslt instead of just letting the script hit 'xsltproc' and fail.
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136 | test `type -p xsltproc` || eval "echo \"This feature requires libxslt.\"
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137 | exit 1"
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138 | cd $JHALFSDIR
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139 |
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140 | # Start clean
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141 | if [ -d commands ] ; then rm -rf commands ; fi && mkdir commands
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142 | echo -n "Extracting commands... "
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143 |
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144 | # Use Maneul's stylesheet to dump the commands in text form from the LFS book.
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145 | xsltproc -v --nonet --xinclude -o ./commands/ \
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146 | lfs-$LFSVRS/stylesheets/dump-commands.xsl lfs-$LFSVRS/index.xml \
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147 | >>$JHALFSDIR/$LOG 2>&1
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148 |
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149 | # Move the text files out from the chapter directories, and dump them
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150 | # all into the 'commands' directory.
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151 | cd commands
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152 | find ./* -xtype f -exec mv '{}' . \;
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153 | find ./* -maxdepth 0 -xtype d -exec rm -rf '{}' \;
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154 |
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155 | # Remove all the blank lines from the commands
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156 | for i in $JHALFSDIR/commands/* ; do
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157 | sed -i '/^$/d' $i
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158 | done
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159 |
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160 | # Grab the patches and package names.
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161 | cd $JHALFSDIR
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162 | for i in patches packages ; do rm -f $i ; done
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163 | grep "\-version" lfs-$LFSVRS/general.ent | sed -e 's@<!ENTITY @@' -e 's@">@"@' \
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164 | -e '/generic/d' >> packages
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165 | grep "ENTITY" lfs-$LFSVRS/patches.ent | sed -e 's/.* "//' -e 's/">//' >> patches
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166 |
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167 | # Done. Moving on...
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168 | echo -ne "done\n"
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169 | get_sources
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170 | }
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171 |
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172 | download() {
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173 | cd $BUILDDIR/sources
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174 |
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175 | # Hackish fix for the bash-doc package that doesn't conform
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176 | # to norms in the URL scheme.
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177 | DIR=`echo $1 | sed 's@-doc@@'`
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178 |
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179 | # Find the md5 sum for this package.
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180 | if [ $2 != MD5SUMS ] ; then MD5=`grep " $2" MD5SUMS` ; fi
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181 |
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182 | if [ ! -f $2 ] ; then
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183 | case $DL in
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184 | wget )
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185 | wget $HTTP/$DIR/$2
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186 | ;;
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187 | curl )
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188 | `curl -# $HTTP/$DIR/$2 -o $2`
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189 | ;;
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190 | * )
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191 | echo "$DL not supported at this time."
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192 | ;;
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193 | esac
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194 | elif ! echo "$MD5" | md5sum -c - >/dev/null 2>/dev/null ; then
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195 | case $DL in
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196 | wget )
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197 | wget -c $HTTP/$DIR/$2
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198 | ;;
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199 | curl )
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200 | `curl -# -C - $HTTP/$DIR/$2 -o $2`
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201 | ;;
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202 | * )
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203 | echo "$DL not supported at this time."
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204 | ;;
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205 | esac
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206 | fi
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207 | if [ $2 != MD5SUMS ] && ! echo "$MD5" | md5sum -c - ; then
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208 | exit 1
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209 | fi
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210 | }
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211 |
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212 | get_sources() {
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213 |
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214 | # This variable is necessary to make sure the `cat $JHALFSDIR/packages`
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215 | # separates each iteration by lines. It is necessary to have the second
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216 | # ' on the next line.
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217 | IFS='
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218 | '
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219 |
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220 | if [ ! -d $BUILDDIR/sources ] ; then mkdir $BUILDDIR/sources ; fi
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221 | cd $BUILDDIR/sources
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222 | if [ -f MD5SUMS ] ; then rm MD5SUMS ; fi
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223 |
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224 | download "" MD5SUMS
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225 |
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226 | # Iterate through each package and grab it, along with any patches it needs.
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227 | for i in `cat $JHALFSDIR/packages` ; do
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228 | PKG=`echo $i | sed 's/-version.*//'`
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229 |
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230 | # Someone used some silly entities right next to the valid package entities.
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231 | if [ "$PKG" = "expect-lib" -o "$PKG" = "linux-dl" ] ; then continue ; fi
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232 |
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233 | VRS=`echo $i | sed -e 's/.* //' -e 's/"//g'`
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234 | if [ "$PKG" = "tcl" ] ; then
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235 | FILE="$PKG$VRS-src.tar.bz2"
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236 | else
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237 | FILE="$PKG-$VRS.tar.bz2"
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238 | fi
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239 | download $PKG $FILE
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240 | for patch in `grep "$PKG-&$PKG" $JHALFSDIR/patches` ; do
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241 | PATCH=`echo $patch | sed 's@&'$PKG'-version;@'$VRS'@'`
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242 | download $PKG $PATCH
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243 | done
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244 | done
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245 | }
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246 |
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247 | build_Makefile() {
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248 | cd $JHALFSDIR/commands
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249 |
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250 | # Start with a clean Makefile.tmp file
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251 | >$MKFILE.tmp
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252 |
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253 | for i in * ; do
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254 | # First append each name of the command files to a list (this will become the names
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255 | # of the targets in the Makefile
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256 | list="$list $i"
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257 |
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258 | # Grab the name of the target (minus the -pass1 or -pass2 in the case of gcc
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259 | # and binutils in chapter 5)
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260 | name=`echo $i | sed -e 's@[0-9]\{3\}-@@' -e 's@-pass[0-9]\{1\}@@'`
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261 |
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262 | # Drop in the name of the target on a new line.
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263 | echo -e "\n$i:" >> $MKFILE.tmp
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264 |
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265 | # Find the version of the command files, if it corresponds with the building of
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266 | # a specific package
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267 | vrs=`grep "^$name-version" $JHALFSDIR/packages | sed -e 's/.* //' -e 's/"//g'`
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268 |
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269 | # If $vrs isn't empty, we've got a package...
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270 | if [ "$vrs" != "" ] ; then
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271 | if [ "$name" = "tcl" ] ; then
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272 | FILE="$name$vrs-src.tar.bz2"
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273 | else
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274 | FILE="$name-$vrs.tar.bz2"
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275 | fi
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276 |
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277 | # Insert instructions for unpacking the package and changing directories
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278 | echo -e "\t\$(call unpack,$FILE)" >> $MKFILE.tmp
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279 | echo -e "\tROOT=\`head -n1 /tmp/unpacked | sed 's@/.*@@'\` && \\" >> $MKFILE.tmp
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280 | echo -e "\tcd \$(SRC)/\$\$ROOT && \\" >> $MKFILE.tmp
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281 | fi
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282 |
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283 | # Drop in the actual commands that were parsed from the book
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284 | cat $i | sed -e 's:\$:&&:g' -e 's:^:\t:' -e 's:$: \&\& \\:' >> $MKFILE.tmp
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285 |
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286 | # Include a touch of the target name so make can check if it's already been made.
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287 | echo -e "\ttouch \$@" >> $MKFILE.tmp
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288 | done
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289 |
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290 | # Stick a variable and some defines at the top of the real makefile
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291 | echo "export SRC := /sources" > $MKFILE
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292 | echo "define unpack" >> $MKFILE
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293 | echo -e "\t@cd \$(SRC) ; tar -xvf \$(1) > /tmp/unpacked" >> $MKFILE
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294 | echo -e "endef\n" >> $MKFILE
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295 |
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296 | # Drop in the list as the main target 'all:' with each sub-target as a dependency.
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297 | echo "all: $list" >> $MKFILE
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298 |
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299 | # Bring over the items from the Makefile.tmp
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300 | cat $MKFILE.tmp >> $MKFILE
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301 | rm $MKFILE.tmp
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302 | }
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303 |
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304 |
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305 | if [ ! -d $JHALFSDIR ] ; then
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306 | mkdir -p $JHALFSDIR
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307 | fi
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308 |
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309 | >$JHALFSDIR/$LOG
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310 | cp $0 $JHALFSDIR/
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311 | get_book
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312 | build_Makefile
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