# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI="7"

IUSE="doc extra-webapps"

inherit eutils java-pkg-2 prefix user

MY_P="apache-${P/-bin}"
MY_PN="${PN/-bin}"
SLOT="${PV%.*}"

DESCRIPTION="Tomcat Servlet-3.1/JSP-2.3 Container"
HOMEPAGE="http://tomcat.apache.org/"
SRC_URI="mirror://apache/tomcat/tomcat-${PV%%.*}/v${PV}/bin/${MY_P}.tar.gz"

LICENSE="Apache-2.0"
KEYWORDS="amd64 x86"

RDEPEND=">=virtual/jre-1.7"
DEPEND="!!www-servers/tomcat
	sys-apps/sed
	${RDEPEND}"

TOMCAT_NAME="${MY_PN}${SLOT}"
TOMCAT_HOME="/opt/${TOMCAT_NAME}"
TOMCAT_BASE="/var/lib//${TOMCAT_NAME}"

S="${WORKDIR}/${MY_P}"

# revision of the instance-manager script
IM_REV="-r1"

pkg_setup() {
	java-pkg-2_pkg_setup
	enewgroup tomcat 265
	enewuser tomcat 265 -1 /dev/null tomcat
}

src_prepare() {
	eapply_user
	# For use of catalina.sh in netbeans
	sed -i -e "/^# ----- Execute The Requested Command/ a\
		CLASSPATH=\`java-config --classpath ${PN}-${SLOT}\`" \
		bin/catalina.sh || die
}

src_install() {
	java-pkg_jarinto "${TOMCAT_HOME}/bin"
	java-pkg_dojar bin/*.jar
	exeinto "${TOMCAT_HOME}/bin"
	doexe bin/*.sh

	java-pkg_jarinto "${TOMCAT_HOME}/lib"
	java-pkg_dojar lib/*.jar

	dodoc RELEASE-NOTES RUNNING.txt
	use doc && java-pkg_dojavadoc dist/webapps/docs/api

	### Webapps ###

	insinto "${TOMCAT_HOME}"/webapps
	doins -r webapps/{host-manager,manager,ROOT}
	use extra-webapps && doins -r webapps/{docs,examples}

	### Config ###

	# replace the default pw with a random one, see #92281
	local randpw=$(echo ${RANDOM}|md5sum|cut -c 1-15)
	sed -i -e "s|SHUTDOWN|${randpw}|" conf/server.xml || die

	insinto "/etc/${TOMCAT_NAME}"
	doins -r conf/*
	dodoc -r conf

	fperms 640 "/etc/${TOMCAT_NAME}/"{tomcat-users.xml,server.xml}

	### rc ###

	cp "${FILESDIR}"/${SLOT}/tomcat{.conf,.init,.systemd,-instance-manager${IM_REV}.bash} "${T}" || die
	eprefixify "${T}"/tomcat{.conf,.init,.systemd,-instance-manager${IM_REV}.bash}
	sed -i -e "s|@SLOT@|${SLOT}|g" "${T}"/tomcat{.conf,.init,.systemd,-instance-manager${IM_REV}.bash} || die

# Unsupported for now
#	insinto "${TOMCAT_HOME}/gentoo"
#	doins "${T}"/tomcat.conf
#	exeinto "${TOMCAT_HOME}/gentoo"
#	doexe "${T}"/tomcat.init
#	newexe "${T}"/tomcat-instance-manager${IM_REV}.bash tomcat-instance-manager.bash

	# create default instance
	sed -i \
		-e "s|@INSTANCE_USER@|tomcat|g"		\
		-e "s|@INSTANCE_GROUP@|tomcat|g"	\
		-e "s|@INSTANCE_GROUP@|tomcat|g"	\
		-e "s|@INSTANCE_NAME@|tomcat${SLOT}|g"	\
		"${T}"/tomcat.{conf,init,systemd} || die

	newinitd "${T}"/tomcat.init "tomcat${SLOT}"
	newconfd "${T}"/tomcat.conf "tomcat${SLOT}"
	newexe   "${T}"/tomcat.systemd "tomcat${SLOT}-systemd"

	dosym   "${TOMCAT_HOME}/webapps" "${TOMCAT_BASE}/webapps"
	keepdir "${TOMCAT_BASE}/"{bin,work} "/var/tmp/${TOMCAT_NAME}" "/var/log/${TOMCAT_NAME}"
	dosym   "/var/tmp/${TOMCAT_NAME}" "${TOMCAT_BASE}/temp" 
	dosym   "/var/log/${TOMCAT_NAME}" "${TOMCAT_BASE}/logs"
	dosym   "/etc/${TOMCAT_NAME}"     "${TOMCAT_BASE}/conf"
}


pkg_preinst() {
	fperms 750 "${TOMCAT_BASE}"
	fowners -R   root:tomcat "${TOMCAT_BASE}"
	fowners -R tomcat:tomcat "${TOMCAT_BASE}/work"

	fperms 750 "${TOMCAT_HOME}"
	fowners -R   root:tomcat "${TOMCAT_HOME}"

	fperms 750 "/etc/${TOMCAT_NAME}"
	fowners -R   root:tomcat "/etc/${TOMCAT_NAME}"

	fperms 750 "/var/tmp/${TOMCAT_NAME}"
	fowners -R tomcat:tomcat "/var/tmp/${TOMCAT_NAME}"

	fperms 750 "/var/log/${TOMCAT_NAME}"
	fowners -R tomcat:tomcat "/var/log/${TOMCAT_NAME}"
}

pkg_postinst() {
	elog "New ebuilds of Tomcat support running multiple instances. If you used prior version"
	elog "of Tomcat (<7.0.32), you have to migrate your existing instance to work with new Tomcat."
	elog "You can find more information at https://wiki.gentoo.org/wiki/Apache_Tomcat"

	elog "To manage Tomcat instances, run:"
	elog "  ${EPREFIX}/${TOMCAT_HOME}/gentoo/tomcat-instance-manager.bash --help"

	ewarn "tomcat-dbcp.jar is not built at this time. Please fetch jar"
	ewarn "from upstream binary if you need it. Gentoo Bug # 144276"
}