| 1 | #!/bin/bash
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| 2 | #
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| 3 | # $Id$
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| 4 | #
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| 5 | set -e
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| 6 |
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| 7 | declare -i cntr=0
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| 8 | declare -a spaceSTR=" "
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| 9 |
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| 10 | #----------------------------#
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| 11 | generate_dependency_tree() { #
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| 12 | #----------------------------#
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| 13 | : <<inline_doc
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| 14 | function: Create a dependency tree for the TARGET
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| 15 | input vars: none
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| 16 | externals: vars: TARGET
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| 17 | PKGXML
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| 18 | DEP_LEVEL
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| 19 | func: do_dependencies
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| 20 | modifies: vars: PKGXML
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| 21 | BLFS_XML
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| 22 | returns: nothing
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| 23 | output: files: $TARGET.dep
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| 24 | $TARGET-index.xml.tmp
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| 25 | depure.txt
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| 26 | on error: nothing
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| 27 | on success: nothing
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| 28 | inline_doc
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| 29 |
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| 30 | local ENTRY_START
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| 31 | local ENTRY_END
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| 32 |
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| 33 | #---------------------
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| 34 | # Create the working directory and cd into it
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| 35 | mkdir $TARGET && cd $TARGET
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| 36 |
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| 37 | #---------------------
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| 38 | # XML file of the target package
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| 39 | PKGXML=`grep "^$TARGET[[:space:]]" ../packages | cut -f2`
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| 40 |
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| 41 | #---------------------
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| 42 | # The BLFS sources directory.
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| 43 | BLFS_XML=`echo $PKGXML | sed -e 's,/.*,,'`
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| 44 |
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| 45 | if [[ ! -d ../$BLFS_XML ]] ; then
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| 46 | echo -e "\tThe BLFS book sources directory is missing.\n"
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| 47 | echo -e "\tExecution aborted.\n"
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| 48 | cd .. && rmdir $TARGET
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| 49 | exit 1
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| 50 | fi
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| 51 |
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| 52 | #---------------------
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| 53 | # XInclude stuff
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| 54 | ENTRY_START="<xi:include xmlns:xi=\"http://www.w3.org/2003/XInclude\" href=\"../"
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| 55 | ENTRY_END="\"/>"
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| 56 |
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| 57 | echo -en "\tGenerating $TARGET dependencies tree ..."
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| 58 |
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| 59 | #---------------------
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| 60 | # Create target package dependencies list
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| 61 | case $TARGET in
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| 62 | # Meta-packages at target level
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| 63 | # KDE and Gnome-{core,full} could be made via packages.sh, but not sure yet how.
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| 64 | alsa ) # When target "alsa", use all alsa-* packages
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| 65 | echo -e "alsa-oss\nalsa-firmware\nalsa-tools\nalsa-utils\n \
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| 66 | alsa-plugins\nalsa-lib" > dependencies/$TARGET.dep
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| 67 | ;;
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| 68 | * ) # Default
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| 69 | xsltproc --stringparam dependencies $DEP_LEVEL \
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| 70 | -o dependencies/$TARGET.dep \
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| 71 | ../dependencies.xsl ../$PKGXML
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| 72 | ;;
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| 73 | esac
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| 74 |
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| 75 | #---------------------
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| 76 | # Start with a clean $TARGET-index.xml.tmp file
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| 77 | > $TARGET-index.xml.tmp
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| 78 |
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| 79 | #---------------------
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| 80 | # Write the XInclude
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| 81 | echo -e " $ENTRY_START$PKGXML$ENTRY_END" >> $TARGET-index.xml.tmp
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| 82 |
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| 83 | #------------------P---
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| 84 | # Start with a clean depure.txt file
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| 85 | > depure.txt
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| 86 |
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| 87 | #---------------------
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| 88 | # If have dependencies, write its XInclude and find sub-dependencies
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| 89 | if [[ -f dependencies/$TARGET.dep ]]; then
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| 90 | echo -e "Start loop for PKG $TARGET\n" >> depure.txt
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| 91 | mkdir xincludes && do_dependencies $TARGET
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| 92 | fi
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| 93 |
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| 94 | echo "done"
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| 95 | }
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| 96 |
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| 97 |
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| 98 |
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| 99 | #-----------------------#
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| 100 | do_dependencies() { # Loop to find sub-dependencies :::WARNING::: THIS IS A RECURVISE FUNCTION
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| 101 | #-----------------------#
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| 102 | : <<inline_doc
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| 103 | function: Loop through all the packages and create a sub-dependency tree
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| 104 | input vars: $1, package name
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| 105 | externals: vars: $DEP_LEVEL
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| 106 | $TARGET
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| 107 | $PRINT_SERVER
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| 108 | $KBR5
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| 109 | $GHOSTSCRIPT
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| 110 | $MAILSERVER
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| 111 | file: depure.txt
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| 112 | $TARGET-index.xml.tmp
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| 113 | $PKG.dep
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| 114 | $PKG.inc
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| 115 | modifies: files
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| 116 | returns: nothing
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| 117 | output: file: $PKG-xinc.tmp
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| 118 | depure.txt
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| 119 | $TARGET-index.xml.tmp
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| 120 | on error: exit
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| 121 | on success:
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| 122 | inline_doc
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| 123 |
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| 124 | set -e
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| 125 | local PKG=$1
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| 126 | local saveIFS=$IFS
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| 127 | local DEP_LV=$DEP_LEVEL
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| 128 | local line line2 DEP
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| 129 | echo -e "\tPKG is $PKG" >> depure.txt
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| 130 | echo -e "\tDEP_LEVEL for $PKG is $DEP_LV\n" >> depure.txt
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| 131 |
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| 132 | #------------------
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| 133 | # If a premade xinclude file exists, use it. If not, create one
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| 134 | if [[ -f xincludes/$PKG.xinc ]] ; then
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| 135 | echo -e "\tReusing xinclude file for PKG $PKG" >> depure.txt
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| 136 | IFS=$'\x0A'
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| 137 | for line in `cat xincludes/$PKG.xinc` ; do
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| 138 | IFS=$saveIFS
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| 139 | # Remove the Xinclude entry if found. We want the most newer one.
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| 140 | # Using double quotes to let bash expand variables.
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| 141 | # Remove also the empty line created. Can not be done in one step
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| 142 | # due that d requires the pattner between /, but we have a lot of /
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| 143 | # inside the pattner.
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| 144 | sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
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| 145 | # Write the XInclude
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| 146 | echo -e "$line" >> $TARGET-index.xml.tmp
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| 147 | done
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| 148 | return
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| 149 | fi
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| 150 |
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| 151 | #------------------
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| 152 | # Start with a clean $PKG.xinc.tmp file
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| 153 | > xincludes/$PKG.xinc.tmp
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| 154 | for DEP in `cat dependencies/$PKG.dep`; do
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| 155 | # Special packages (a lot of hacks)
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| 156 | case $DEP in
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| 157 |
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| 158 | db ) # The proper version of DB is installed in LFS
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| 159 | continue ;;
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| 160 | hal-requirements ) # ID value don't have their own XML package file
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| 161 | continue ;;
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| 162 | perl-* | tk-perl ) DEP=perl-modules ;;
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| 163 |
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| 164 | # Orphan links (proper link must be created when generating the book)
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| 165 | arts ) DEP=aRts ;; # That should be fixed in the BLFS book
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| 166 | # Set values for alternative packages
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| 167 | # X is a meta-package, thus handled in another way.
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| 168 | LPRng | cups ) DEP=$PRINT_SERVER ;;
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| 169 | mitkrb | heimdal ) DEP=$KBR5 ;;
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| 170 | gs | espgs ) DEP=$GHOSTSCRIPT ;;
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| 171 | MTA ) DEP=$MAIL_SERVER ;; # The BLFS book need be fixed yet for that
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| 172 | esac
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| 173 |
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| 174 | #------------------
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| 175 | echo -e "\tDEP for $PKG is $DEP" >> depure.txt
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| 176 | case $DEP in
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| 177 | # Circular dependencies at level 3
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| 178 | cracklib | docbook-utils | libxml2 | cyrus-sasl | alsa-lib | \
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| 179 | unixodbc | cups | libexif | esound | gimp )
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| 180 | [[ "$DEP_LV" = "3" ]] && DEP_LV=2
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| 181 | ;;
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| 182 | * ) DEP_LV=$DEP_LEVEL ;;
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| 183 | esac
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| 184 |
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| 185 | #------------------
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| 186 | echo -e "\tDEP_LEVEL for $DEP is $DEP_LV" >> depure.txt
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| 187 | # XML file of dependency package
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| 188 | DEP_XML=`grep "^$DEP[[:space:]]" ../packages | cut -f2`
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| 189 | echo -e "\t\tDEP_XML is $DEP_XML\n" >> depure.txt
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| 190 | case $DEP in
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| 191 | x-window-system ) ;; # No page for that (proper link must be created when generating the book)
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| 192 | xorg7 ) ;; # This page will be dump in the xorg7.xinc file
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| 193 | * )
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| 194 | # Remove the Xinclude entry if found
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| 195 | sed -e "s,^[[:space:]]*$ENTRY_START$DEP_XML$ENTRY_END,," \
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| 196 | -e '/./!d' -i xincludes/$PKG.xinc.tmp
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| 197 | # Write the XInclude
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| 198 | echo -e " $ENTRY_START$DEP_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
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| 199 | ;;
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| 200 | esac
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| 201 |
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| 202 | #------------------
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| 203 | # If not already created, create its dependencies list
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| 204 | if [[ ! -f dependencies/$DEP.dep ]] ; then
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| 205 | case $DEP in
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| 206 | # Meta-packages at dependency level (ugly *.dep files, but work for now)
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| 207 | alsa ) # When dependency "alsa", use all alsa-* packages
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| 208 | echo -e "alsa-oss\nalsa-firmware\nalsa-tools\nalsa-utils\n \
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| 209 | alsa-plugins\nalsa-lib" > dependencies/$DEP.dep
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| 210 | ;;
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| 211 | x-window-system ) # X11 alternatives
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| 212 | echo -e "x-config\nx-setup\n$X11" > dependencies/$DEP.dep
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| 213 | ;;
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| 214 | xorg7 ) # All Xorg7 packages except Xterm (circular dependency)
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| 215 | echo -e "rman\nxorg7-driver\nxorg7-server\nluit\nxorg7-font\n \
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| 216 | xorg7-data\nxorg7-app\nxbitmaps\nmesalib\nlibdrm\n \
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| 217 | xorg7-lib\nxorg7-util\nxorg7-proto" > dependencies/$DEP.dep
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| 218 | ;;
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| 219 | * ) xsltproc --stringparam dependencies $DEP_LV \
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| 220 | -o dependencies/$DEP.dep ../dependencies.xsl ../$DEP_XML
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| 221 | ;;
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| 222 | esac
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| 223 | fi
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| 224 |
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| 225 | #------------------
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| 226 | # If needed, process its dependencies
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| 227 | if [[ -f dependencies/$DEP.dep ]] ; then
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| 228 | # If a premade xinclude file esist, include it
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| 229 | if [[ -f xincludes/$DEP.xinc ]] ; then
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| 230 | echo -e "\tReusing xinclude file for PKG $DEP (to solve $PKG)\n" >> depure.txt
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| 231 | IFS=$'\x0A'
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| 232 | for line2 in `cat xincludes/$DEP.xinc` ; do
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| 233 | IFS=$saveIFS
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| 234 | # Remove the Xinclude entry if found
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| 235 | sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
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| 236 | # Write the XInclude
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| 237 | echo -e "$line2" >> xincludes/$PKG.xinc.tmp
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| 238 | done
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| 239 | #------------------
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| 240 | # Create the xinclude file
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| 241 | else
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| 242 | echo -e "\nStart new loop for PKG $DEP (to solve $PKG)\n" >> depure.txt
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| 243 | #
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| 244 | # >>>>>> THIS IS A RECURSIVE FUNCTION CALL.. BEWARE OF GREMLINS. <<<<<<
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| 245 | #
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| 246 | # If the recursion depth is not too great this is an acceptable methodology for a script language
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| 247 | # However, uncontrolled recursion will cause a seg-fault due to stack issues with local variables.
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| 248 | #
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| 249 | set +e
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| 250 | [[ "${VERBOSITY}" > 0 ]] && echo -ne "\nrecursive call: $((++cntr)) ${spaceSTR:0:$cntr} ${RED}$DEP${OFF}"
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| 251 | do_dependencies $DEP
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| 252 | [[ "${VERBOSITY}" > 0 ]] && echo -ne "\nrecursive ret: $cntr ${spaceSTR:0:$((cntr--))} ${GREEN}$DEP${OFF}\tUsing the new xinclude file for PKG $DEP (to solve $PKG)"
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| 253 | set -e
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| 254 |
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| 255 | # Include it when done
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| 256 | echo -e "\tUsing the new xinclude file for PKG $DEP (to solve $PKG)\n" >> depure.txt
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| 257 | IFS=$'\x0A'
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| 258 | for line2 in `cat xincludes/$DEP.xinc` ; do
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| 259 | IFS=$saveIFS
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| 260 | # Remove the Xinclude entry if found
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| 261 | sed -e "s,^[[:space:]]*$line2,," -e '/./!d' -i xincludes/$PKG.xinc.tmp
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| 262 | # Write the XInclude
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| 263 | echo -e "$line2" >> xincludes/$PKG.xinc.tmp
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| 264 | done
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| 265 | fi
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| 266 | fi
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| 267 | done
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| 268 |
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| 269 | #------------------
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| 270 | if [[ "$PKG" = "xorg7" ]] ; then
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| 271 | # Add their XInclude
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| 272 | PKG_XML=`grep "^$PKG[[:space:]]" ../packages | cut -f2`
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| 273 | echo -e " $ENTRY_START$PKG_XML$ENTRY_END" >> xincludes/$PKG.xinc.tmp
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| 274 | fi
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| 275 |
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| 276 | #------------------
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| 277 | mv xincludes/$PKG.xinc.tmp xincludes/$PKG.xinc
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| 278 | echo -e "Using the new xinclude file for PKG $PKG" >> depure.txt
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| 279 | IFS=$'\x0A'
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| 280 | for line in `cat xincludes/$PKG.xinc` ; do
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| 281 | IFS=$saveIFS
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| 282 | # Remove the Xinclude entry if found.
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| 283 | sed -e "s,^[[:space:]]*$line,," -e '/./!d' -i $TARGET-index.xml.tmp
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| 284 | # Write the XInclude
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| 285 | echo -e "$line" >> $TARGET-index.xml.tmp
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| 286 | done
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| 287 |
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| 288 | echo -e "\nEnd loop for PKG $PKG\n" >> depure.txt
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| 289 | }
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