busybox/mkinitrd-setup.sh

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#!/bin/bash
#
#%stage: boot
#%depends: progs
#
if use_script busybox; then
if [ ! -x "/usr/bin/busybox" ]; then
echo "[BUSYBOX] No Busybox executable was found"
else
for i in `busybox | grep Curr -A 200 | grep -v "Currently defined f"`; do
DIR=bin
busyfile="${i/,/}"
# skip programs that do not work properly (if they exist)
if [ -e "bin/$busyfile" -o -e "sbin/$busyfile" ]; then
case $busyfile in
# modprobe: breaks udev
# fsck: breaks fsck.ext3
# umount: does not know -f
# sleep: can only use full integers (no floats)
# init: no need for init in initrd (breaks bootchart)
# cp: missing -v (breaks bootchart)
modprobe|fsck|umount|mount|sleep|init|cp)
continue
;;
esac
fi
if [ -h "bin/$busyfile" ]; then
# don't process symlinks
continue
elif [ -e "bin/$busyfile" ]; then
verbose "[BUSYBOX] replacing $DIR/$busyfile"
rm -f bin/$busyfile
elif [ -e "sbin/$busyfile" ]; then
DIR=sbin
rm -f sbin/$busyfile
verbose "[BUSYBOX] replacing $DIR/$busyfile"
fi
# we have to remove the copied program files from the
# internal list so we only get shared libs that are
# actually used
declare -i binc
for ((binc=0 ; $binc<${#initrd_bins[@]} ; binc++)); do
${A##*/}
if [ "${initrd_bins[$binc]##*/}}" = "$busyfile" ]; then
initrd_bins[$binc]=''
fi
done
ln -s ../bin/busybox "$DIR/$busyfile"
done
fi
fi