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#!/bin/sh
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#
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# Copy modules into the right directories in preparation for building udebs.
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# This script is named after the its counterpart in the original
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# kernel-image-di package by Joey Hess <joeyh@debian.org>.
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#
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# Copyright (c) 2001-2002 Herbert Xu <herbert@debian.org>
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#
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# Usage: copy-modules version flavour installedname
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set -e
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deplist() {
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deps=$1
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list=$2
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cp $list $tmpdir/work
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# recursively append external dependencies to $list
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while :; do
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# list external dependencies of $work
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join -o 2.2 $tmpdir/work $deps | sort -u | comm -23 - $list \
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> $tmpdir/work.new
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mv $tmpdir/work.new $tmpdir/work
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# exit if work is empty
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[ -s $tmpdir/work ] || break
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# append work to $list
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sort -um -o $list $list $tmpdir/work
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done
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}
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version=$1-$2
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flavour=$2
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installedname=$3
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arch=$(dpkg-architecture -qDEB_HOST_ARCH)
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home=$PWD
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trap 'rm -rf $tmpdir' EXIT
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tmpdir=$(tempfile)
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rm $tmpdir
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mkdir $tmpdir
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# SOURCEDIR may be set externally to control where to copy from.
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if [ -n "$SOURCEDIR" ]; then
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moddir=$SOURCEDIR/lib/modules/$installedname
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else
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moddir=/lib/modules/$installedname
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fi
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# The directory of modules lists to use.
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if [ -d modules/$arch-$flavour ]; then
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modlistdir=modules/$arch-$flavour
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elif [ -d modules/$flavour ]; then
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modlistdir=modules/$flavour
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else
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modlistdir=modules/$arch
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fi
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# get module dependencies from modules.dep
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# sort it by field 2
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perl -lne '
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@words=split(" ");
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s!.*/kernel/!! foreach (@words);
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if ($words[0] =~ /:$/) {
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$words[0]=~s/:$//;
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$module=$words[0];
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if ($words[1]) {
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print "$module\t$words[1]";
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}
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}
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elsif ($words[0]) { # continuation
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print "$module\t$words[0]";
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}
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' $moddir/modules.dep | sort -k 2,2 > $tmpdir/deps
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unset moddir_awk
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mkdir $tmpdir/module-deps $tmpdir/module-list
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# generate module interealationships from package-list file
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./gen-deps $flavour > $tmpdir/module-deps.packages
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# loop over all udebs, sort that all dependent modules are processed first
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for i in $(
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{
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find $modlistdir -maxdepth 1 \( -type f -or -type l \) -not -name '*.lnk' -printf "%f\t%f\n"
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cat $tmpdir/module-deps.packages
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} | tsort | tac
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); do
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# write dependent (direct and indirect) udebs to exclude
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# write dependencies to module-deps/$i
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echo $i | join -o 2.2 - $tmpdir/module-deps.packages | { # dependent modules
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cd $tmpdir/module-deps
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xargs -r sh -c 'printf "%s\n" "$@"; cat "$@"' sh # direct and indirect deps
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} | sort -u | tee $tmpdir/module-deps/$i | { # write deps
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cd $tmpdir/module-list
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xargs -r cat
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} | sort -u > $tmpdir/exclude # modules to exclude
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# Sort so that the joins work, no matter what the order of the
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# input file.
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sort $home/$modlistdir/$i > $tmpdir/module-list/$i
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# exclude modules in exclude from dependency list
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join -2 2 -v 2 $tmpdir/exclude $tmpdir/deps |
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sort -k 1,1 > $tmpdir/tmpdeps
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# include dependent modules which are not in a
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# dependent udeb into module-list/$i
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deplist $tmpdir/tmpdeps $tmpdir/module-list/$i
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# copy kernel modules to package build dir
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cd $moddir/kernel
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ret=$( ( (
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set +e
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tar cfT - $tmpdir/module-list/$i
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printf $? >&3
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) | (
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set +e
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dir=$home/debian/$i-$version-di/lib/modules/$installedname/kernel
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mkdir -p $dir
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cd $dir
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tar xf -
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printf $? >&3
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) ) 3>&1)
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if [ "$ret" != "00" ]; then
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echo "tar failed" >&2
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exit $ret
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fi
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done
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