# $Id$

PNAME="busybox"
PVER="1.20.2"
PBUILD="r1"

PCAT="sys-apps"

DESCRIPTION="BusyBox combines tiny versions of many common UNIX utilities into a single small executable."
HOMEPAGE="http://www.busybox.net/"

# shared busybox needs glibc
DEPEND=">= virtual/glibc"

PROVIDE="virtual/sed
	virtual/tar
	virtual/usbutils
	virtual/pciutils
	virtual/debianutils
	virtual/which
	virtual/wget
	virtual/grep
	virtual/bzip2
	virtual/gzip
	virtual/syslog
	virtual/less
	virtual/net-tools
	virtual/inetutils
	virtual/kbd
	virtual/procps
	virtual/psmisc
	virtual/dhcp
	virtual/cron
	virtual/xz-utils"

# busbox config CVS revision
CFG_CVS_REV=1.15
# udhcpc client script CVS revision
UDHCPC_CVS_REV=1.1
# syslogd.rc cvs revision
SYSLOGD_CVS_REV=1.4
# splash.conf cvs revision
SPLASHCONF_CVS_REV=1.4
# splash-functions.rc cvs revision
SPLASHRC_CVS_REV=1.6

SRCFILE="${PNAME}-${PVER}.tar.bz2"
SRCDIR="${BUILDDIR}/${PNAME}-${PVER}"

MISC_PVER="0.1.8"
MISC_SRCFILE="miscsplashutils-${MISC_PVER}.tar.bz2"
MISC_SRCDIR="${BUILDDIR}/miscsplashutils-${MISC_PVER}"

SPLASHTHEME_PVER="1.0"
SPLASHTHEME_SRCFILE="alx-theme-busybox-${SPLASHTHEME_PVER}.tar.bz2"
SPLASHTHEME_SRCDIR="${BUILDDIR}/alx-theme-busybox-${SPLASHTHEME_PVER}"

sminclude mtools alx

SRC_URI=(
	http://www.busybox.net/downloads/${SRCFILE}
	mirror://${PNAME}/${SRCFILE}
	mirror://${PNAME}/config-${CFG_CVS_REV}
	mirror://${PNAME}/udhcpc.sh-${UDHCPC_CVS_REV}
	mirror://${PNAME}/de.kmap.gz
	mirror://${PNAME}/syslogd.rc-${SYSLOGD_CVS_REV}
	mirror://${PNAME}/syslog.conf
	mirror://${PNAME}/crond.rc
	mirror://${PNAME}/${PNAME}-1.15.3-flags.patch
	mirror://${PNAME}/${PNAME}-1.20.2-tar-seamless-xz.patch
	mirror://${PNAME}/splash-functions.rc-${SPLASHRC_CVS_REV}
	mirror://${PNAME}/splash.conf-${SPLASHCONF_CVS_REV}
	mirror://${PNAME}/${PNAME}-1.20.2-fbsplash-tykef-1.0.patch
	mirror://${PNAME}/${PNAME}-1.17.4-fbsplash-reload-background-image.patch
	http://dev.gentoo.org/~spock/projects/gensplash/current/${MISC_SRCFILE}
	mirror://${PNAME}/${MISC_SRCFILE}
	mirror://${PNAME}/${SPLASHTHEME_SRCFILE}
)

src_prepare()
{
	munpack ${SRCFILE} || die
	munpack de.kmap.gz ${SRCDIR} || die
	munpack ${MISC_SRCFILE} || die
	munpack ${SPLASHTHEME_SRCFILE} || die
	cd ${SRCDIR}

	# official patches

	# magellan patches
	# remove broken cflags
	mpatch ${PNAME}-1.15.3-flags.patch || die
	# seamless xz uncompression support in tar (tar -J)
	mpatch ${PNAME}-1.20.2-tar-seamless-xz.patch || die

	# enhanced fbsplash from tykef
	# http://tykef.havlinda.net/programovani/fbsplash/
	mpatch ${PNAME}-1.20.2-fbsplash-tykef-1.0.patch || die

	# fbsplash: adds 'image:' cmd to be able to reload the background image
	# requires the tykef patch
	mpatch ${PNAME}-1.17.4-fbsplash-reload-background-image.patch || die

	# using a custom config
	cp ${SOURCEDIR}/${PNAME}/config-${CFG_CVS_REV} .config || die

	# hotfix for glibc-2.14, rpc interface not supported anymore
	#sed -i 's/.*\(CONFIG_FEATURE_MOUNT_NFS\).*/#\ \1 is not set/' .config || die
}

src_compile()
{
	cd ${SRCDIR}

	make oldconfig || die
	mmake || die

	# create a busybox.links file
	HOSTCC=gcc sh applets/busybox.mkll | sort > busybox.links || die

	# do not use ash as default sh, we want bin/bash
	sed -i '/bin\/sh/d' busybox.links || die

	# use poweroff as default halt command
	sed -i '/sbin\/halt/d' busybox.links || die
	echo -e '#!/bin/sh\n/sbin/poweroff $*' > halt.sh || die

	# remove some applet symlinks which are provided by other packages
	### patch
	sed -i '/usr\/bin\/patch/d' busybox.links || die
	### e2fsprogs
	sed -i '/sbin\/fsck/d' busybox.links || die
	sed -i '/sbin\/mke2fs/d' busybox.links || die
	sed -i '/sbin\/mkfs.ext2/d' busybox.links || die
	sed -i '/sbin\/tune2fs/d' busybox.links || die
	### binutils
	sed -i '/usr\/bin\/ar/d' busybox.links || die
	sed -i '/usr\/bin\/strings/d' busybox.links || die
	### diffutils
	sed -i '/usr\/bin\/cmp/d' busybox.links || die
	### umount (use from util-linux, need -t option)
	sed -i '/bin\/umount/d' busybox.links || die

	# honor usr move
	sed -i -e 's:^/bin:/usr/bin:' -e 's:^/sbin:/usr/sbin:' busybox.links || die

	cd ${MISC_SRCDIR}
	mmake fbres || die
}

src_install()
{
	cd ${SRCDIR}

	minstallexec busybox || die
	# set suid bit for suid applets like su
	mchmod +s /usr/bin/busybox || die

	minstalldir /usr/sbin || die
	minstallexec halt.sh /usr/sbin/halt || die

	minstalldir /usr/share/busybox || die
	minstallfile busybox.links /usr/share/busybox || die

	minstalldir /usr/share/busybox/keymaps || die
	minstallfile de.kmap /usr/share/busybox/keymaps || die

	minstalldir /usr/share/udhcpc || die
	minstallexec -s udhcpc.sh-${UDHCPC_CVS_REV} /usr/share/udhcpc/default.script || die

	# install syslogd rc script and config
	minstallrc syslogd.rc-${SYSLOGD_CVS_REV} syslogd || die
	minstallfile -s syslog.conf /etc/syslog.conf || die

	# install crond rc script and keep needed directories
	minstallrc crond.rc crond || die
	mkeepdir /var/spool/cron/crontabs || die

	# install splash-functions
	minstallrc splash-functions.rc-${SPLASHRC_CVS_REV} splash-functions || die
	minstalldir /etc/splash || die
	minstallfile -s splash.conf-${SPLASHCONF_CVS_REV} /etc/splash/splash.conf || die
	minstalldir /dev || die
	mkfifo ${BINDIR}/dev/splashfifo || die

	# install fbres for splash
	minstallexec ${MISC_SRCDIR}/fbres || die

	# install fbsplash theme
	cd ${SPLASHTHEME_SRCDIR}
	make DESTDIR=${BINDIR} install || die
	# set alx theme as default
	mlink alx /etc/splash/themes/default || die

	# disable config_protection for themes
	minstalldir /etc/env.d || die
	echo "CONFIG_PROTECT_MASK=/etc/splash/themes" > ${BINDIR}/etc/env.d/15splash || die

	# use vt12 for bootsplash and enable SPLASH_X11_TTY for vt03 to supress flickers
	sed -i 's:#SPLASH_X11_TTY=:SPLASH_X11_TTY=:' ${BINDIR}/etc/splash/splash.conf || die
	sed -i 's:^\(SPLASH_X11_TTY=\).*:\1"3":' ${BINDIR}/etc/splash/splash.conf || die
	sed -i 's:^\(SPLASH_TTY=\).*:\1"12":' ${BINDIR}/etc/splash/splash.conf || die
}

preinstall()
{
	add_conf_prot_mask /etc/rc.d/init.d /etc/splash/themes /etc/splash/splash.conf /etc/env.d
}

postinstall()
{
	if [ -x ${MROOT}/usr/bin/busybox ]
	then
		echo "Setting suid bit for ${MROOT}/usr/bin/busybox"
		chmod +s ${MROOT}/usr/bin/busybox
	fi

	if [ -f ${MROOT}/usr/share/busybox/busybox.links ]
	then
		echo "Setting up busybox links ... "
		local i
		for i in $(< ${MROOT}/usr/share/busybox/busybox.links)
		do
			ln -snf /usr/bin/busybox ${MROOT}/${i}
		done
	fi

	if [[ ! -p ${MROOT}/dev/splashfifo ]]
	then
		mkfifo ${MROOT}/dev/splashfifo
	fi

	# run syslogd *after* creating the busybox symlinks!
	mstartservice syslogd

	# check if intel fb quirk is required
	if [[ -x ${MROOT}/usr/sbin/alx-hwdetection ]]
	then
		local fbdev="$(${MROOT}/usr/sbin/alx-hwdetection intel-fb-quirk)"
		if [[ ${fbdev} -ge 0 ]]
		then
			sed -i "s:^\(SPLASH_DEV=\).*:\1\"/dev/fb${fbdev}\":" ${MROOT}/etc/splash/splash.conf || die
		fi
	fi
}

postremove()
{
	mstopservice syslogd
}