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#!/bin/bash
#
# Copy modules into the right directories in preparation for building udebs.
# This script is named after the its counterpart in the original
# kernel-image-di package by Joey Hess <joeyh@debian.org>.
#
# Copyright (c) 2001-2002 Herbert Xu <herbert@debian.org>
#
# Usage: copy-modules version flavour installedname
set -e
deplist() {
local deps=$1
local list=$2
cp $list $tmpdir/work
# recursively append external dependencies to $list
while :; do
# list external dependencies of $work
join -o 2.2 $tmpdir/work $deps | sort -u | comm -23 - $list \
> $tmpdir/work.new
mv $tmpdir/work.new $tmpdir/work
# exit if work is empty
[ -s $tmpdir/work ] || break
# append work to $list
sort -um -o $list $list $tmpdir/work
done
}
version=$1-$2
flavour=$2
installedname=$3
configdir=$(readlink -f ${KW_CONFIG_DIR:-.})
arch=$(dpkg-architecture -qDEB_HOST_ARCH)
os=$(dpkg-architecture -qDEB_HOST_ARCH_OS)
home=$PWD
trap 'rm -rf $tmpdir' EXIT
tmpdir=$(mktemp -d)
# SOURCEDIR may be set externally to control where to copy from.
if [ -n "$SOURCEDIR" ]; then
moddir=$SOURCEDIR/lib/modules/$installedname
else
moddir=/lib/modules/$installedname
fi
if [ ! -d $moddir ]; then
exit 0
fi
# The directory of modules lists to use.
if [ -d $configdir/modules/$arch-$flavour ]; then
modlistdir=$configdir/modules/$arch-$flavour
elif [ -d $configdir/modules/$flavour ]; then
modlistdir=$configdir/modules/$flavour
else
modlistdir=$configdir/modules/$arch
fi
if [ "$os" = "linux" ] ; then
if [ "$SOURCEDIR" ]; then
modulesdep=$tmpdir/modules.dep
PATH="/usr/sbin:/sbin:$PATH" depmod \
-b $SOURCEDIR $installedname -n \
| sed '/^#/d; /^alias /,$d' >$modulesdep
elif [ -e "$moddir/modules.dep" ]; then
modulesdep=$moddir/modules.dep
else
echo "Installed kernel package is missing $moddir/modules.dep" >&2
exit 1
fi
# get module dependencies from modules.dep
# sort it by field 2
perl -lne '
@words=split(" ");
s!'/lib/modules/$installedname'/!! foreach (@words);
if ($words[0] =~ /:$/) {
$words[0]=~s/:$//;
$module=shift @words;
}
foreach (@words) {
print "$module\t$_" unless $_ eq "\\";
}
' $modulesdep | sort -k 2,2 > $tmpdir/deps
if [ ! -s $tmpdir/deps ] && [ ! -e $configdir/no-modules ]; then
echo "No module interdependencies found. This probably means your modules.dep is broken." >&2
echo "If this is intentional, touch $configdir/no-modules" >&2
exit 1
fi
else
touch $tmpdir/deps
fi
mkdir $tmpdir/module-deps $tmpdir/module-list
# generate module interrelationships from package-list file
kernel-wedge gen-deps $flavour > $tmpdir/module-deps.packages
code=0
# loop over all udebs, sort that all dependent modules are processed first
for i in $(
{
find $modlistdir/ -maxdepth 1 \( -type f -or -type l \) -not -name '*.lnk' -printf "%f\t%f\n"
cat $tmpdir/module-deps.packages
} | tsort | tac
); do
# write dependent (direct and indirect) udebs to exclude
# write dependencies to module-deps/$i
echo $i | join -o 2.2 - $tmpdir/module-deps.packages | { # dependent modules
cd $tmpdir/module-deps
xargs -r sh -c 'printf "%s\n" "$@"; cat "$@"' sh # direct and indirect deps
} | sort -u | tee $tmpdir/module-deps/$i | { # write deps
cd $tmpdir/module-list
xargs -r cat
} | sort -u > $tmpdir/exclude # modules to exclude
# preprocess file, handle includes and excludes and sort so that
# the joins work, no matter what the order of the input.
kernel-wedge preprocess $modlistdir/$i $moddir |
sort > $tmpdir/module-list/$i
test ${PIPESTATUS[0]} = 0
# exclude modules in exclude from dependency list
join -o 2.1,2.2 -2 2 -v 2 $tmpdir/exclude $tmpdir/deps |
sort -k 1,1 > $tmpdir/tmpdeps
# include dependent modules which are not in a
# dependent udeb into module-list/$i
deplist $tmpdir/tmpdeps $tmpdir/module-list/$i
if [ -s $tmpdir/module-list/$i ] && dh_listpackages | grep -qx "$i-$version-di"; then
# copy kernel modules to package build dir
cd $moddir
ret=$( ( (
set +e
tar cfT - $tmpdir/module-list/$i
printf $? >&3
) | (
set +e
dir=$home/debian/$i-$version-di/lib/modules/$installedname
mkdir -p $dir
cd $dir
tar xf -
printf $? >&3
) ) 3>&1)
if [ "$ret" != "00" ]; then
echo "tar failed" >&2
exit $ret
fi
cd $home
if [ "$os" = linux ]; then
cat >"debian/$i-$version-di.postinst" <<EOF
#!/bin/sh -e
depmod $installedname
EOF
fi
fi
done
exit $code
|
