#!/bin/sh -e

for patch in *.patch; do
    patch -p1 < "$patch"
done

# Build and install regular busybox.
# This excludes utilities which require 'suid' to function.
make CC="${CC:-gcc}"
make CONFIG_PREFIX="$1/usr" install

# Rename the binary temporarily.
mv "$1/usr/bin/busybox" "$1/usr/bin/busybox-nosuid"

# Build and install suid busybox.
# This _only_ includes utlities which require 'suid' to function.
cp -f .config-suid .config
make CC="${CC:-gcc}"
make CONFIG_PREFIX="$1/usr" install

# Aptly name the busybox binaries.
mv "$1/usr/bin/busybox"        "$1/usr/bin/busybox-suid"
mv "$1/usr/bin/busybox-nosuid" "$1/usr/bin/busybox"

# Install the non-suid symlinks.
"$1/usr/bin/busybox" --list | while read -r bin; do
    ln -s busybox "$1/usr/bin/$bin"
done

# Install the suid symlinks.
"$1/usr/bin/busybox-suid" --list | while read -r bin; do
    ln -s busybox-suid "$1/usr/bin/$bin"
done

# Set suid on busybox suid.
chmod u+s "$1/usr/bin/busybox-suid"

# Install runit and sysmgr services
for service in crond.run ntpd.run syslogd.run acpid.run ; do
    install -Dm755 "$service" "$1/etc/sv/${service%.*}/run"
    install -Dm755 "$service" "$1/etc/sysmgr/${service%.*}"
    ln -s /run/runit/supervise.${service%.*} "$1/etc/sv/${service%.*}/supervise"
done

# Install ntp config
install -Dm644 ntp.conf "$1/etc/ntp.conf"

# Install inittab
install -Dm644 inittab "$1/etc/inittab"