# $Id$

PNAME="apache2"
PVER="2.4.27"
PBUILD="r2"

PCAT="net-www"

DESCRIPTION="The Apache HTTP web server."
HOMEPAGE="http://httpd.apache.org/"

# systemd is required by mod_systemd
# perl is required for serveral tools like apxs, dbmmanage
DEPEND=">= virtual/glibc
	>= dev-libs/apr-1.5
	>= dev-libs/apr-util-1.5
	>= dev-libs/libxml2-2.9
	>= dev-libs/expat-2.1
	>= dev-libs/libpcre-8.37
	>= dev-libs/openssl-1.0.2
	>= dev-db/db-6.1
	>= dev-lang/perl-5.22
	>= sys-libs/libuuid-2.26
	>= sys-libs/zlib-1.2"

ALX_DEV_DEPEND=">= dev-libs/libxml2-dev-2.9
	>= dev-libs/expat-dev-2.1
	>= dev-libs/libpcre-dev-8.37
	>= dev-libs/openssl-dev-1.0.2
	>= dev-db/db-dev-6.1
	>= sys-libs/libuuid-dev-2.26
	>= sys-libs/zlib-dev-1.2"

SDEPEND="${ALX_DEV_DEPEND}"

PROVIDE="virtual/httpd"

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

SVC_REV=1.2
LOG_REV=1.2

sminclude mtools systemd

SRC_URI=(
	http://www.apache.org/dist/httpd/${SRCFILE}
	mirror://${PNAME}/${SRCFILE}
	mirror://${PNAME}/${PNAME}-2.4.3-magellan-layout.patch
	mirror://${PNAME}/${PNAME}-2.2.4-magellan-vendor.patch
	mirror://${PNAME}/${PNAME}-2.2.8-default-user.patch
	mirror://${PNAME}/${PNAME}-2.4.16-default-server-root.patch
	mirror://${PNAME}/${PNAME}-2.4.3-default-mpm-settings.patch
	mirror://${PNAME}/${PNAME}-2.2.9-default-dav-settings.patch
	mirror://${PNAME}/${PNAME}-2.4.3-default-ssl-settings.patch
	mirror://${PNAME}/${PNAME}-2.4.3-default-httpd-config-2.patch
	mirror://${PNAME}/${PNAME}-2.2.4-apxs-httpd-config-2.patch
	mirror://${PNAME}/${PNAME}-2.4.3-mod_systemd.patch
	mirror://${PNAME}/apache2.service-${SVC_REV}
	mirror://${PNAME}/apache2.tmpfilesd
	mirror://${PNAME}/apache2.logrotate-${LOG_REV}
	mirror://${PNAME}/gentestcrt.sh
)

UP2DATE="updatecmd http://www.apache.org/dist/httpd/ | grep httpd- | lasttarball"

pkg_setup()
{
	preinstall
}

src_prepare()
{
	munpack ${SRCFILE} || die
	cd ${SRCDIR}

	# add our own layout
	# renewed patch using /run
	mpatch ${PNAME}-2.4.3-magellan-layout.patch || die

	# report version description with 'Magellan' instead of 'UNIX'
	mpatch ${PNAME}-2.2.4-magellan-vendor.patch || die

	# use 'apache' as http-user instead of daemon
	mpatch ${PNAME}-2.2.8-default-user.patch || die

	# fixes the default server root in the httpd.conf
	# defaults to $(prefix) but $(libdir)/apache2 is safer
	mpatch ${PNAME}-2.4.16-default-server-root.patch || die

	# fixes the default pid- and lockfile
	# try to be compatible with apache1 and apache2 installations
	# -> the pidfile should be named apache2.pid
	# also all other unneeded mpm settings are removed
	mpatch ${PNAME}-2.4.3-default-mpm-settings.patch || die

	# use same sane default dav settings that match our layout
	mpatch ${PNAME}-2.2.9-default-dav-settings.patch || die

	# fixes the default ssl pathes
	mpatch ${PNAME}-2.4.3-default-ssl-settings.patch || die

	# use modules.d instead of extra directory for addons
	# and renamed the config files without the 'httpd-' prefix
	# and now load mpm.conf and default.conf
	mpatch ${PNAME}-2.4.3-default-httpd-config-2.patch || die

	# fixes apxs to not use progname.conf but httpd.conf as httpd config
	# and fixes to modules path relative to server root also
	mpatch ${PNAME}-2.2.4-apxs-httpd-config-2.patch || die

	# add systemd support
	mpatch ${PNAME}-2.4.3-mod_systemd.patch || die
}

src_compile()
{
	cd ${SRCDIR}

	# beware! mconfigure overwrite our layout pathes!
	mconfigure \
		--libexecdir=/usr/$(mlibdir)/apache2/modules \
		--includedir=/usr/include/apache2 \
		--datadir=/var/www \
		--sysconfdir=/etc/apache2 \
		--localstatedir=/var \
		--enable-layout=Magellan \
		--with-program-name=apache2 \
		--with-port=80 \
		--enable-so \
		--enable-modules=all \
		--enable-mods-shared=all \
		--enable-suexec \
		--with-suexec-safepath='/usr/local/bin:/usr/bin:/bin' \
		--with-suexec-logfile=/var/log/apache2/suexec_log \
		--with-suexec-bin=/usr/sbin/suexec \
		--with-suexec-userdir=public_html \
		--with-suexec-caller=apache \
		--with-suexec-docroot=/var/www \
		--with-suexec-uidmin=1000 \
		--with-suexec-gidmin=100 \
		--with-suexec-umask=077 \
		--with-ssl=/usr \
		--enable-ssl \
		--enable-deflate \
		--with-gdbm \
		--with-mpm=prefork \
		--with-pcre \
		--with-pcre=/usr \
		--with-perl=/usr/bin/perl \
		--with-expat=/usr \
		--with-z=/usr \
		--with-apr=/usr \
		--with-apr-util=/usr \
		|| die

	# include/ap_config_auto.h is created by configure and
	# --with-program-name renames http.conf to the given program name,
	# but we want to use httpd.conf instead of apache2.conf
	sed -i 's:apache2\.conf:httpd.conf:' include/ap_config_auto.h || die
	# fix up the server root, default is $prefix but we want /usr/lib/apache2
	sed -i "s:^\(#define HTTPD_ROOT \).*:\1\"/usr/$(mlibdir)/apache2\":" include/ap_config_auto.h || die
	# multilib build fixes, like this one:
	#  /usr/lib64/apr-1/build/libtool --silent --mode=link x86_64-pc-linux-gnu-gcc -pthread     -L/usr/lib   -o htpasswd  htpasswd.lo   -lm -L/usr/lib64 -lpcre /usr/lib64/libaprutil-1.la -ldb -lexpat /usr/lib64/libapr-1.la -luuid -lrt -lcrypt -lpthread -ldl
	#  /usr/bin/ld: skipping incompatible /usr/lib/libm.so when searching for -lm
	#  /usr/bin/ld: skipping incompatible /usr/lib/libm.a when searching for -lm
	#  /usr/lib/libexpat.so: could not read symbols: File in wrong format
	sed -i "s:/usr/lib$:/usr/$(mlibdir):" build/config_vars.mk || die

	mmake || die
}

src_install()
{
	cd ${SRCDIR}
	mmake DESTDIR=${BINDIR} install || die
	minstalldocs ABOUT* CHANGES LICENSE NOTICE README* ROADMAP VERSIONING || die

	# fix permissions of suexec
	mchown root:apache /usr/sbin/suexec || die
	mchmod 4710 /usr/sbin/suexec || die

	# create some needed dirs
	mkeepdir /etc/apache2/ssl || die
	mkeepdir /var/lib/apache || die
	mchown apache:apache /var/lib/apache || die
	mkeepdir /var/lib/dav || die
	mchown apache:apache /var/lib/dav || die
	mkeepdir /var/log/apache2 || die
	mchown apache:apache /var/log/apache2 || die
	mkeepdir /var/cache/apache2/proxy || die
	mchown apache:apache /var/cache/apache2/proxy || die

	# install certificate helper
	minstallexec -s gentestcrt.sh /usr/sbin/gentestcrt || die

	# install logrotate config
	minstalllog apache2.logrotate-${LOG_REV} apache2 || die

	# install systemd unit and files
	minstallunit apache2.service-${SVC_REV} apache2.service || die
	minstalltmp apache2.tmpfilesd apache2.conf || die

	# rename apache2.conf
	mv ${BINDIR}/etc/apache2/{apache2,httpd}.conf || die

	# rename extra dir to modules.d and remove the 'httpd-'
	# prefix from every module configuration file
	mv ${BINDIR}/etc/apache2/{extra,modules.d} || die
	local i
	for i in ${BINDIR}/etc/apache2/modules.d/*
	do
		if [[ ${i/httpd-/} != ${i} ]]
		then
			mv ${i} ${i/httpd-/} || die ${i}
		fi
	done

	# prune backup files
	if [[ -d ${BINDIR}/etc/apache2/original ]]
	then
		rm -r ${BINDIR}/etc/apache2/original || die
	fi

	# add /var/www to CONFIG_PROTECT
	minstalldir /etc/env.d || die
	echo "CONFIG_PROTECT=\"/var/www\"" > ${BINDIR}/etc/env.d/30apache2 || die
	echo "CONFIG_PROTECT_MASK=\"/var/www/manual\"" >> ${BINDIR}/etc/env.d/30apache2 || die
}

preinstall()
{
	# adding apache user
	mgroupadd -o "-g 81" apache
	museradd -o "-u 81 -g apache -d /var/lib/apache -s /bin/false" apache
}

postinstall()
{
	# taken from gentoo - generate a test ssl certificate
	if [[ ! -e ${MROOT}/etc/apache2/ssl/server.crt ]]
	then
		[[ -d ${MROOT}/etc/apache2/ssl ]] && install -d ${MROOT}/etc/apache2/ssl
		cd ${MROOT}/etc/apache2/ssl
		echo
		echo "Generating self-signed test certificate in ${MROOT}/etc/apache2/ssl ..."
		echo
		yes "" 2> /dev/null | ${MROOT}/usr/sbin/gentestcrt > /dev/null 2>&1
	fi

	mstartunit apache2
}

postremove()
{
	[[ ! -f /usr/sbin/apache2 ]] && mstopunit apache2
}