# $Id$

PNAME="busybox"
PVER="1.32.0"
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/"

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

# busbox config revision
CFG_REV=1.24
# udhcpc client script revision
UDHCPC_REV=1.1
# busybox.tmpfilesd revision
TMP_REV=1.2
# agetty emulation script revision
AGETTY_REV=1.3
# loadkeys emulation script revision
LOADKEYS_REV=1.4
# server services revisions
HTTPD_SVC_REV=1.2
UDHCPD_SVC_REV=1.2
TFTPD_SVC_REV=1.4
TFTPD_CONFD_REV=1.2

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

SDEPEND=">= virtual/sed"

sminclude mtools systemd alx

# we do not provide wget applet anymore, so depend on wget too
DEPEND=">= net-misc/wget-1.17"

SRC_URI=(
	http://www.busybox.net/downloads/${SRCFILE}
	mirror://${PNAME}/${SRCFILE}
	mirror://${PNAME}/config-${CFG_REV}
	mirror://${PNAME}/udhcpc.sh-${UDHCPC_REV}
	mirror://${PNAME}/de.kmap.gz
	mirror://${PNAME}/zgrep.sh
	#mirror://${PNAME}/nologin.c
	mirror://${PNAME}/crond.service
	mirror://${PNAME}/busybox.tmpfilesd-${TMP_REV}
	mirror://${PNAME}/loadkeys.sh-${LOADKEYS_REV}
	mirror://${PNAME}/agetty.sh-${AGETTY_REV}
	mirror://${PNAME}/autologin.sh
	mirror://${PNAME}/lat9w-16.psfu.gz
	mirror://${PNAME}/LatArCyrHeb-16.psfu.gz
	mirror://${PNAME}/httpd.service-${HTTPD_SVC_REV}
	mirror://${PNAME}/httpd.confd
	mirror://${PNAME}/httpd.tmpfilesd
	mirror://${PNAME}/udhcpd.service-${UDHCPD_SVC_REV}
	mirror://${PNAME}/udhcpd.confd
	mirror://${PNAME}/udhcpd.tmpfilesd
	mirror://${PNAME}/tftpd.service-${TFTPD_SVC_REV}
	mirror://${PNAME}/tftpd.socket
	mirror://${PNAME}/tftpd.confd-${TFTPD_CONFD_REV}
	mirror://${PNAME}/tftpd.tmpfilesd
	mirror://${PNAME}/8859-1_to_uni.trans
	mirror://${PNAME}/${PNAME}-1.29.2-cp-ignore-onefilesystem.patch
	mirror://${PNAME}/${PNAME}-1.27.1-no-send-signals.patch
)

UP2DATE="updatecmd https://busybox.net/downloads/ | grep ${PNAME}-[0-9] | highesttarball"

src_prepare()
{
	munpack ${SRCFILE} || die
	munpack de.kmap.gz ${SRCDIR} || die
	munpack lat9w-16.psfu.gz ${SRCDIR} || die
	munpack LatArCyrHeb-16.psfu.gz ${SRCDIR} || die
	cd ${SRCDIR}

	# official patches

	# magellan patches
	# let cp ignore the onefilesystem mode switch (cp -x prints an error)
	mpatch ${PNAME}-1.29.2-cp-ignore-onefilesystem.patch || die
	# do not send any signals on shutdown/reboot, we doing this via sendsignals rc
	mpatch ${PNAME}-1.27.1-no-send-signals.patch || die

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

# not required for busybox-1.29 anymore
#	# fix a missing include with linux-musl-headers
#	sed -i '1i#include <sys/resource.h>' include/libbb.h || die

# now included in config 1.19
#	# disable swapon & swapoff; systemd requires the util-linux version
#	# because it depends on some options the busybox version does not provide
#	sed -i -e 's/.*\(CONFIG_SWAPONOFF\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_FEATURE_SWAPON_DISCARD\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_FEATURE_SWAPON_PRI\).*/#\ \1 is not set/' \
#		.config || die

# now included in config 1.19
#	# use full blown wget to support ssl
#	sed -i -e 's/.*\(CONFIG_WGET\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_FEATURE_WGET_STATUSBAR\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_FEATURE_WGET_AUTHENTICATION\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_FEATURE_WGET_LONG_OPTIONS\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_FEATURE_WGET_TIMEOUT\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_FEATURE_WGET_OPENSSL\).*/#\ \1 is not set/' \
#		.config || die

# now included in config 1.20
#	# do not use ifup/ifdown from busybox as dracut implements its own
#	sed -i -e 's/.*\(CONFIG_IFUP\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_IFDOWN\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_IFUPDOWN_IFSTATE_PATH\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_FEATURE_IFUPDOWN_IP\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_FEATURE_IFUPDOWN_IPV4\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_FEATURE_IFUPDOWN_IPV6\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_FEATURE_IFUPDOWN_MAPPING\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_FEATURE_IFUPDOWN_EXTERNAL_DHCP\).*/#\ \1 is not set/' \
#		.config || die

# now included in config 1.21
#	# use full blown losetup cmd from util-linux to fix dracuts losetup -f --show statements
#	sed -i -e 's/.*\(CONFIG_LOSETUP\).*/#\ \1 is not set/' .config || die
#
#	# use full blown ed to fix build issues with bc
#	sed -i -e 's/.*\(CONFIG_ED\).*/#\ \1 is not set/' .config || die
#
#	# use full blown tee from coreutils to fix build errors with smage while logging is enabled
#	sed -i -e 's/.*\(CONFIG_TEE\).*/#\ \1 is not set/' .config || die
#
#	# use full blown sed stat and date from coreutils to fix segfault issues with i686 and busybox 1.27.x
#	sed -i -e 's/.*\(CONFIG_SED\).*/#\ \1 is not set/' .config || die
#	sed -i -e 's/.*\(CONFIG_STAT\).*/#\ \1 is not set/' .config || die
#	sed -i -e 's/.*\(CONFIG_DATE\).*/#\ \1 is not set/' .config || die

# now included in config 1.22
#	# re-enable date, stat, sed
#	sed -i -e 's/#\ \(CONFIG_DATE\) is not set/\1=y/' \
#		-e 's/#\ \(CONFIG_FEATURE_DATE_ISOFMT\) is not set/\1=y/' \
#		-e 's/#\ \(CONFIG_FEATURE_DATE_NANO\) is not set/\1=y/' \
#		-e 's/#\ \(CONFIG_FEATURE_DATE_COMPAT\) is not set/\1=y/' \
#		.config || die
#	sed -i -e 's/#\ \(CONFIG_STAT\) is not set/\1=y/' \
#		-e 's/#\ \(CONFIG_FEATURE_STAT_FORMAT\) is not set/\1=y/' \
#		-e 's/#\ \(CONFIG_FEATURE_STAT_FILESYSTEM\) is not set/\1=y/' \
#		.config || die
#	sed -i -e 's/#\ \(CONFIG_SED\) is not set/\1=y/' .config || die

# now included in config-1.22
#	# build a static busybox with musl
#	sed -i -e 's/#\ \(CONFIG_STATIC\) is not set/\1=y/' .config || die
#
#	# these vi options breaks with musl-gcc
#	sed -i -e 's/.*\(CONFIG_FEATURE_VI_8BIT\).*/#\ \1 is not set/' \
#		-e 's/.*\(CONFIG_FEATURE_VI_REGEX_SEARCH\).*/#\ \1 is not set/' \
#			.config || die

# now included in config-1.23
#	# use solib busybox build with system gcc to try to fix some i686 segfaults
#	sed -i -e 's/#\ \(CONFIG_STATIC\)=y/\1 is not set/' .config || die
}

src_compile()
{
	cd ${SRCDIR}

	# fortify_source not supported
	export CPPFLAGS=${CPPFLAGS/-D_FORTIFY_SOURCE=2/}

	make oldconfig || die
	mmake -j1 V=1 || die

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

# now included in config 1.19
#	# do not use ash as default sh, we want bin/bash
#	sed -i '/bin\/sh$/d' busybox.links || die

	# setfont resides in /bin on newer systems
	sed -i 's:/sbin/setfont:/bin/setfont:' busybox.links || die

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

# now provided by >= busybox-1.30.1
#	# build nologin program
#	gcc ${CFLAGS} -o nologin ${SOURCEDIR}/${PNAME}/nologin.c || die
}

src_install()
{
	cd ${SRCDIR}

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

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

	# systemd needs the keymaps in /usr/share/kbd/keymaps and no! symlinks are allowed
	# keymaps must end with .map or .map.gz
	# dracut uses /usr/share/kbd/keymaps too
	minstalldir /usr/share/kbd/keymaps || die
	minstallfile de.kmap /usr/share/kbd/keymaps/de.map || die

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

	# install example udhcpd.conf
	minstalletc examples/udhcp/udhcpd.conf || die

	# install initsystem services
	minstallunit crond.service || die
	minstalltmp busybox.tmpfilesd-${TMP_REV} busybox.conf || die

	# install server system services
	# udhcpd
	minstallunit udhcpd.service-${UDHCPD_SVC_REV} udhcpd.service || die
	minstallconf udhcpd.confd udhcpd || die
	minstalltmp udhcpd.tmpfilesd udhcpd.conf || die
	# tftpd
	minstallunit tftpd.service-${TFTPD_SVC_REV} tftpd.service || die
	minstallunit tftpd.socket || die
	minstallconf tftpd.confd-${TFTPD_CONFD_REV} tftpd || die
	minstalltmp tftpd.tmpfilesd tftpd.conf || die
	# httpd
	minstallunit httpd.service-${HTTPD_SVC_REV} httpd.service || die
	minstallconf httpd.confd httpd || die
	minstalltmp httpd.tmpfilesd httpd.conf || die

	# loadkeys emulation script
	minstallexec -s loadkeys.sh-${LOADKEYS_REV} /usr/bin/loadkeys || die

	# agetty emulation script
	minstalldir /usr/sbin || die
	minstallexec -s agetty.sh-${AGETTY_REV} /usr/sbin/agetty || die

	# autologin helper script
	minstallexec -s autologin.sh /usr/sbin/autologin || die

	# install service configuration files and keep needed directories
	mkeepdir /var/spool/cron/crontabs || die

	# install a busybox compilant zgrep script, at least needed by plymouth
	minstallexec -s zgrep.sh /usr/bin/zgrep || die

	# install consolefont and trans from kbd-1.15.5 to fully emulate kbd
	# for systemd without any configfile changes
	# busybox cmds requires the base name without any extension, we provide symlinks for systemd
	minstalldir /usr/share/kbd/consolefonts || die
	minstallfile lat9w-16.psfu /usr/share/kbd/consolefonts/lat9w-16 || die
	mlink lat9w-16 /usr/share/kbd/consolefonts/lat9w-16.psfu || die
	minstallfile LatArCyrHeb-16.psfu /usr/share/kbd/consolefonts/LatArCyrHeb-16 || die
	mlink LatArCyrHeb-16 /usr/share/kbd/consolefonts/LatArCyrHeb-16.psfu || die
	minstalldir /usr/share/kbd/consoletrans || die
	minstallfile -s 8859-1_to_uni.trans /usr/share/kbd/consoletrans/8859-1_to_uni || die
	mlink 8859-1_to_uni /usr/share/kbd/consoletrans/8859-1_to_uni.trans || die

# now provided by >= busybox-1.30.1
#	# install nologin program
#	minstalldir /usr/sbin || die
#	minstallexec nologin /usr/sbin/nologin || die

	# install unimaps directory and a README to suppress warning messages by dracut
	minstalldir /usr/share/kbd/unimaps || die
	MCONFIG=/usr/share/kbd/unimaps/README
	mclearconfig || die
	maddconfig '# This directory only exist for compatibility reasons' || die

	# install login.defs to satisfy meson
	minstalldir /etc || die
	MCONFIG=/etc/login.defs
	mclearconfig || die
	maddconfig '# This file only exist for compatibility reasons' || die
}

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
}