# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

WANT_AUTOCONF="2.5"

ECVS_SERVER="cvs.savannah.gnu.org:/sources/screen"
ECVS_MODULE="screen"
ECVS_TOPDIR="${DISTDIR}/cvs-src/${ECVS_MODULE}"

inherit eutils flag-o-matic toolchain-funcs pam autotools cvs

DESCRIPTION="Screen is a full-screen window manager that multiplexes a physical terminal between several processes"
HOMEPAGE="http://www.gnu.org/software/screen/"
#SRC_URI="ftp://ftp.uni-erlangen.de/pub/utilities/${PN}/${P}.tar.gz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="alpha amd64 arm hppa ia64 m68k mips ppc ppc64 s390 sh sparc ~sparc-fbsd x86 ~x86-fbsd"
IUSE="debug nethack pam selinux multiuser"

RDEPEND=">=sys-libs/ncurses-5.2
	pam? ( virtual/pam )
	selinux? (
		sec-policy/selinux-screen
		>=sec-policy/selinux-base-policy-20050821
	)"
DEPEND="${RDEPEND}"

S="${WORKDIR}/${ECVS_MODULE}/src"

pkg_setup() {
	# Make sure utmp group exists, as it's used later on.
	enewgroup utmp 406
}

src_unpack() {
	cvs_src_unpack ${A}
	cd "${S}"

	# Bug 31070: configure problem which affects alpha
	# (13 Jan 2004 agriffis)
	epatch "${FILESDIR}"/screen-4.0.1-vsprintf.patch

	# uclibc doesnt have sys/stropts.h
	if ! (echo '#include <sys/stropts.h>' | $(tc-getCC) -E - &>/dev/null) ; then
		epatch "${FILESDIR}"/4.0.2-no-pty.patch
	fi

	# Don't use utempter even if it is found on the system
	epatch "${FILESDIR}"/4.0.2-no-utempter.patch

	# Don't link against libelf even if it is found on the system
	epatch "${FILESDIR}"/4.0.2-no-libelf.patch

	# Patch for time function on 64bit systems
	#epatch "${FILESDIR}"/4.0.2-64bit-time.patch

	# Patch that makes %u work for windowlist -b formats
	# This seems to be already included in current CVS :P
	#epatch "${FILESDIR}"/4.0.2-windowlist-multiuser-fix.patch

	# Fix manpage.
	sed -i \
		-e "s:/usr/local/etc/screenrc:/etc/screenrc:g" \
		-e "s:/usr/local/screens:/var/run/screen:g" \
		-e "s:/local/etc/screenrc:/etc/screenrc:g" \
		-e "s:/etc/utmp:/var/run/utmp:g" \
		-e "s:/local/screens/S-:/var/run/screen/S-:g" \
		doc/screen.1 \
		|| die "sed doc/screen.1 failed"

	chmod 700 configure
	eautoconf
}

src_compile() {
	append-flags "-DMAXWIN=${MAX_SCREEN_WINDOWS:-100}"
	append-ldflags $(bindnow-flags)

	use nethack || append-flags "-DNONETHACK"
	use debug && append-flags "-DDEBUG"

	econf \
		--with-socket-dir=/var/run/screen \
		--with-sys-screenrc=/etc/screenrc \
		--with-pty-mode=0620 \
		--with-pty-group=5 \
		--enable-rxvt_osc \
		--enable-telnet \
		--enable-colors256 \
		$(use_enable pam) \
		|| die "econf failed"

	# Second try to fix bug 12683, this time without changing term.h
	# The last try seemed to break screen at run-time.
	# (16 Jan 2003 agriffis)
	LC_ALL=POSIX make term.h || die "Failed making term.h"

	emake || die "emake failed"
}

src_install() {
	dobin screen || die "dobin failed"
	keepdir /var/run/screen || die "keepdir failed"

	if use multiuser
	then
		fperms 4755 /usr/bin/screen || die "fperms failed"
	else
		fowners root:utmp /{usr/bin,var/run}/screen || die "fowners failed"
		fperms 2755 /usr/bin/screen || die "fperms failed"
	fi

	insinto /usr/share/screen
	doins terminfo/{screencap,screeninfo.src} || die "doins failed"
	insinto /usr/share/screen/utf8encodings
	doins utf8encodings/?? || die "doins failed"
	insinto /etc
	doins "${FILESDIR}"/screenrc || die "doins failed"

	pamd_mimic_system screen auth || die "pamd_mimic_system failed"

	dodoc \
		README ChangeLog INSTALL TODO NEWS* patchlevel.h \
		doc/{FAQ,README.DOTSCREEN,fdpat.ps,window_to_display.ps} \
		|| die "dodoc failed"

	doman doc/screen.1 || die "doman failed"
	doinfo doc/screen.info* || die "doinfo failed"
}

pkg_postinst() {
	if use multiuser
	then
		chown root:0 "${ROOT}"/var/run/screen
		chmod 0755 "${ROOT}"/var/run/screen
	else
		chown root:utmp "${ROOT}"/var/run/screen
		chmod 0775 "${ROOT}"/var/run/screen
	fi

	elog "Some dangerous key bindings have been removed or changed to more safe values."
	elog "We enable some xterm hacks in our default screenrc, which might break some"
	elog "applications. Please check /etc/screenrc for information on these changes."
        ewarn
        ewarn "This is a live CVS ebuild, it is unstable by nature, and is"
        ewarn "not related to the Gentoo Developers in any way, so don't"
        ewarn "ever report a bug about app-misc/screen if you are using"
        ewarn "this ebuild."
        ewarn
        ewarn "For information about the changes in this release, please"
        ewarn "refer to the NEWS file."
        ewarn
}