* makeInitrd, makeModulesClosure: moved from NixOS.

* Use sh from klibc in the initrd.

svn path=/nixpkgs/trunk/; revision=11154

pkgs/build-support/kernel/modules-closure.sh

@@ -0,0 +1,36 @@
+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
+
+echo "closure:"
+ensureDir $out
+for module in $closure; do
+    target=$(echo $module | sed "s^$kernel^$out^")
+    if test -e "$target"; then continue; fi
+    echo $module
+    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
+    echo $target >> $out/insmod-list
+done
+