sys-boot/lilo: fix ROOT check in pkg_postinst

With EAPI 7+, ROOT and others will be blank (not /).

Signed-off-by: Sam James <sam@gentoo.org>

1 files changed, 187 insertions, 0 deletions

diff --git a/sys-boot/lilo/lilo-24.2-r1.ebuild b/sys-boot/lilo/lilo-24.2-r1.ebuild
new file mode 100644
index 000000000000..66040236a6d6
--- /dev/null
+++ b/sys-boot/lilo/lilo-24.2-r1.ebuild
@@ -0,0 +1,187 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+
+inherit flag-o-matic toolchain-funcs
+
+DOLILO_V="0.6"
+IUSE="static minimal pxeserial device-mapper"
+
+DESCRIPTION="LInux LOader, the original Linux bootloader"
+HOMEPAGE="https://www.joonet.de/lilo/"
+
+DOLILO_TAR="dolilo-${DOLILO_V}.tar.bz2"
+SRC_URI="
+	https://www.joonet.de/lilo/ftp/sources/${P}.tar.gz
+	mirror://gentoo/${DOLILO_TAR}
+"
+
+SLOT="0"
+LICENSE="BSD GPL-2"
+KEYWORDS="-* amd64 x86"
+
+DEPEND=">=sys-devel/bin86-0.15.5"
+RDEPEND="device-mapper? ( >=sys-fs/lvm2-2.02.45 )"
+
+# Bootloaders should not be using arbitrary CFLAGS without good reason.  A bootloader
+# is typically only executed once to boot the system, and it should work the first time.
+QA_FLAGS_IGNORED="/sbin/lilo"
+
+src_prepare() {
+	default
+
+	# this patch is needed when booting PXE and the device you're using
+	# emulates vga console via serial console.
+	# IE..  B.B.o.o.o.o.t.t.i.i.n.n.g.g....l.l.i.i.n.n.u.u.x.x and stair stepping.
+	use pxeserial && eapply "${FILESDIR}/${PN}-24.1-novga.patch"
+
+	eapply "${FILESDIR}/${PN}-24.2-add-nvme-support.patch"
+	eapply "${FILESDIR}/${PN}-24.x-fix-gcc-10.patch"
+	eapply "${FILESDIR}/${PN}-24.x-check-for-__GLIBC__.patch"
+
+	# Do not strip and have parallel make
+	# FIXME: images/Makefile does weird stuff
+	sed -i Makefile src/Makefile \
+		-e '/strip/d;s|^	make|	$(MAKE)|g' \
+		-e '/images install/d' \
+		-e '/images all/d' \
+		|| die "sed strip failed"
+}
+
+src_configure() {
+	if ! use device-mapper; then
+		sed -i make.vars -e 's|-DDEVMAPPER||g' || die
+	fi
+}
+
+src_compile() {
+	# lilo needs this. bug #140209
+	export LC_ALL=C
+
+	# we explicitly prevent the custom CFLAGS for stability reasons
+	if use static; then
+		local target=alles
+	else
+		local target=all
+	fi
+
+	emake CC="$(tc-getCC) ${LDFLAGS}" ${target}
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+
+	if use !minimal; then
+		into /
+		dosbin "${WORKDIR}"/dolilo/dolilo
+
+		into /usr
+		dosbin keytab-lilo.pl
+
+		insinto /etc
+		newins "${FILESDIR}"/lilo.conf lilo.conf.example
+
+		newconfd "${WORKDIR}"/dolilo/dolilo.conf.d dolilo.example
+
+		dodoc CHANGELOG* readme/README.* readme/INCOMPAT README
+		docinto samples ; dodoc sample/*
+	fi
+}
+
+# Check whether LILO is installed
+# This function is from /usr/sbin/mkboot from debianutils, with copyright:
+#
+#   Debian GNU/Linux
+#   Copyright 1996-1997 Guy Maor <maor@debian.org>
+#
+# Modified for Gentoo for use with the lilo ebuild by:
+#   Martin Schlemmer <azarah@gentoo.org> (16 Mar 2003)
+#
+lilocheck() {
+	local bootpart=
+	local rootpart="$(mount | grep -v "tmpfs" | grep -v "rootfs" | grep "on / " | cut -f1 -d " ")"
+
+	echo
+	ebegin "Checking whether LILO can be safely updated"
+
+	if [ "$(whoami)" != "root" ]
+	then
+		eend 1
+		eerror "Only root can check for LILO"
+		return 1
+	fi
+
+	if [ -z "${rootpart}" ]
+	then
+		eend 1
+		eerror "Could not determine root partition"
+		return 1
+	fi
+
+	if [ ! -f /etc/lilo.conf -o ! -x /sbin/lilo ]
+	then
+		eend 1
+		eerror "No LILO configuration in place"
+		return 1
+	fi
+
+	bootpart="$(sed -n "s:^boot[ ]*=[ ]*\(.*\)[ ]*:\1:p" /etc/lilo.conf)"
+
+	if [ -z "${bootpart}" ]
+	then
+		# lilo defaults to current root when 'boot=' is not present
+		bootpart="${rootpart}"
+	fi
+
+	if ! dd if=${bootpart} ibs=16 count=1 2>&- | grep -q 'LILO'
+	then
+		eend 1
+		eerror "No LILO signature on ${bootpart}"
+		ewarn "Check your /etc/lilo.conf, or run /sbin/lilo by hand."
+		return 1
+	fi
+
+	if grep -q "^[[:space:]]*password[[:space:]]*=[[:space:]]*\"\"" /etc/lilo.conf
+	then
+		eend 1
+		eerror "Interactive password entry configured"
+		ewarn "Run /sbin/lilo -p by hand."
+		return 1
+	fi
+
+	einfo "LILO on ${bootpart} is safe to update"
+	eend 0
+	return 0
+}
+
+pkg_postinst() {
+	if [ ! -e "${ROOT}/boot/boot.b" -a ! -L "${ROOT}/boot/boot.b" ]
+	then
+		[ -f "${ROOT}/boot/boot-menu.b" ] && \
+			ln -snf boot-menu.b "${ROOT}/boot/boot.b"
+	fi
+
+	if [[ -z "${ROOT}" ]] && use !minimal;
+	then
+		if lilocheck
+		then
+			einfo "Running DOLILO to complete the install"
+			# do not redirect to /dev/null because it may display some input
+			# prompt
+			/sbin/dolilo
+			if [ "$?" -ne 0 ]
+			then
+				eerror "You must manually configure and run LILO"
+			fi
+		fi
+		echo
+	fi
+	if use !minimal; then
+		echo
+		einfo "Issue 'dolilo' instead of 'lilo' to have a friendly wrapper that"
+		einfo "handles mounting and unmounting /boot for you. It can do more, "
+		einfo "edit /etc/conf.d/dolilo to harness its full potential."
+		echo
+	fi
+}