nixpkgs/helpers/modules-closure.sh
Eelco Dolstra 8d09b9066c * Purity: don't access /etc/modules.conf.
svn path=/nixos/trunk/; revision=7467
2006-12-22 23:51:18 +00:00

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source $stdenv/setup
set -o pipefail
PATH=$module_init_tools/sbin:$PATH
version=$(cd $kernel/lib/modules && ls -d *)
echo "kernel version is $version"
export MODULE_DIR=$kernel/lib/modules/
# Determine the dependencies of each root module.
closure=
for module in $rootModules; do
echo "root module: $module"
deps=$(modprobe --config /dev/null --set-version "$version" --show-depends "$module" \
| sed 's/^insmod //')
for i in $deps; do echo $i; done
closure="$closure $deps"
done
# Remove duplicates.
closure=$(for i in $closure; do echo $i; done | sort | uniq)
echo "closure:"
ensureDir $out
for module in $closure; do
echo $module
target=$(echo $module | sed "s^$kernel^$out^")
mkdir -p $(dirname $target)
cp $module $target
grep "^$module" $kernel/lib/modules/$version/modules.dep \
| sed "s^$kernel^$out^g" \
>> $out/lib/modules/$version/modules.dep
done