X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjo-overlay.git;a=blobdiff_plain;f=eclass%2Fsys-user.eclass;fp=eclass%2Fsys-user.eclass;h=0000000000000000000000000000000000000000;hp=7cfffaf123a2e67e82ed41297c94e3a2c2ea2adf;hb=d96d9049a2c43260c040d59e93e90da2f6b854da;hpb=49a2493f92d112d98b9a8484eb453aa0167396eb

diff --git a/eclass/sys-user.eclass b/eclass/sys-user.eclass
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--- a/eclass/sys-user.eclass
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@@ -1,287 +0,0 @@
-# Copyright 1999-2017 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-
-# @ECLASS: sys-user.eclass
-# @MAINTAINER:
-# Michael Orlitzky <mjo@gentoo.org>
-# @BLURB: handle installation and removal of system users.
-# @DESCRIPTION:
-# This eclass does most of the work for the sys-user/ packages that
-# supply system user accounts.
-
-# Needed for egetshell and egethome.
-inherit user
-
-EXPORT_FUNCTIONS pkg_pretend src_unpack src_configure src_compile src_install src_test pkg_preinst pkg_prerm
-
-: ${HOMEPAGE:="https://wiki.gentoo.org/wiki/User:Mjo/GLEP:User_packages"}
-: ${DESCRIPTION:="The ${PN} system user"}
-: ${LICENSE="GPL-2"}
-
-# If you want a different username, use a different package name. This
-# prevents different people from claiming the same username.
-SYS_USER_NAME="${PN}"
-
-# @ECLASS-VARIABLE: SYS_USER_GROUPS
-# @DESCRIPTION:
-# A space-separated list of groups that the user will belong to.
-# Dependencies on the appropriate sys-group packages are generated
-# automatically.
-: ${SYS_USER_GROUPS:=${PN}}
-
-# @ECLASS-VARIABLE: SYS_USER_UID
-# @REQUIRED
-# @DESCRIPTION:
-# This should be set to the "fixed" UID that your user should have.
-# We may have to fall back to an arbitrary UID, but you still need
-# to specify a real, valid UID here. At the very least because our
-# SLOT variable needs it.
-[[ -z "${SYS_USER_UID}" ]] && die "SYS_USER_UID must be set"
-
-# @ECLASS-VARIABLE: SYS_USER_UID_IMPORTANT
-# @REQUIRED
-# @DESCRIPTION:
-# Set to "true" if you want to die() if you don't get your desired UID.
-: ${SYS_USER_UID_IMPORTANT:=false}
-
-# In many cases, if the UID of a user changes, packages depending on it
-# will want to rebuild. We always use SLOT=0, because you can't install
-# the same user twice. Then we use the UID as our subslot so that
-# subslot deps can be used to rebuild packages when our UID changes.
-SLOT="0/${SYS_USER_UID}"
-
-# @ECLASS-VARIABLE: SYS_USER_HOME
-# @DESCRIPTION:
-# etc.
-: ${SYS_USER_HOME:=/home/${SYS_USER_NAME}}
-
-# @ECLASS-VARIABLE: SYS_USER_SHELL
-# @DESCRIPTION:
-# etc.
-: ${SYS_USER_SHELL:=/bin/false}
-
-case ${EAPI} in
-	6) ;;
-	*)
-		die "${ECLASS} is not compatible with EAPI=${EAPI}"
-esac
-
-# Depend on any groups we might need.
-for _group in ${SYS_USER_GROUPS}; do
-	DEPEND+=" sys-group/${_group} "
-	RDEPEND+=" sys-group/${_group}:= "
-done
-unset _group
-
-S="${WORKDIR}"
-
-sys-user_src_unpack() { :; }
-sys-user_src_compile() { :; }
-sys-user_src_test() { :; }
-
-sys-user_getuid() {
-	# Output the real UID of the given user, or the empty string if the
-	# user does not exist on the system.
-	[[ $# -eq 1 ]] || die "usage: sys-user_getuid <username>"
-	echo $(id --real --user "${1}" 2>/dev/null)
-}
-
-sys-user_getname() {
-	# Output the username associated with the given UID, or the empty string
-	# if the given UID is still available.
-	[[ $# -eq 1 ]] || die "usage: sys-user_getname <uid>"
-	echo $(egetent passwd "${1}" | cut -f1 -d':')
-}
-
-sys-user_create() {
-	# Create the user whose information is contained in the following
-	# variables:
-	#
-	#  * SYS_USER_NAME
-	#  * SYS_USER_UID
-	#  * SYS_USER_SHELL
-	#  * SYS_USER_HOME
-	#  * SYS_USER_GROUPS
-	#
-	# We don't create a group with the same name; that should be the
-	# job of the matching sys-group package.
-	useradd --no-user-group \
-			${SYS_USER_UID:+--uid }"${SYS_USER_UID}" \
-			${SYS_USER_GROUPS:+--groups }"${SYS_USER_GROUPS}" \
-			--shell "${SYS_USER_SHELL}" \
-			--home-dir "${SYS_USER_HOME}" \
-			"${SYS_USER_NAME}"
-}
-
-
-sys-user_modify() {
-	# Modify the existing user named $SYS_USER_NAME to match the values
-	# contained in the following variables:
-	#
-	#  * SYS_USER_UID
-	#  * SYS_USER_SHELL
-	#  * SYS_USER_HOME
-	#  * SYS_USER_GROUPS
-	#
-	usermod ${SYS_USER_UID:+--uid }"${SYS_USER_UID}" \
-			${SYS_USER_GROUPS:+--append --groups }"${SYS_USER_GROUPS}" \
-			--shell "${SYS_USER_SHELL}" \
-			--home "${SYS_USER_HOME}" \
-			"${SYS_USER_NAME}"
-}
-
-sys-user_pkg_pretend() {
-	# Sanity checks that would otherwise run code in global scope.
-	if [[ "${SYS_USER_UID_IMPORTANT}" == "true" ]]; then
-
-		# The UID is important, so make sure nobody else has it. Or
-		# rather, nobody else *with a different username* has it.
-		local oldname=$(sys-user_getname "${SYS_USER_UID}")
-		if [[ -n "${oldname}" ]] && \
-			   [[ "${SYS_USER_NAME}" != "${oldname}" ]]; then
-			die "important UID ${SYS_USER_UID} already belongs to ${oldname}"
-		fi
-
-		# Ensure that this username doesn't already exist with another
-		# UID if its UID is supposedly important.
-		local olduid=$(sys-user_getuid "${SYS_USER_NAME}")
-		if [[ -n "${olduid}" ]] && \
-			   [[ "${SYS_USER_UID}" != "${olduid}" ]]; then
-			# The UID is important and specified, but there is already a
-			# system user with this name and a different UID. Halp.
-			die "user ${SYS_USER_NAME} already exists with UID ${olduid}"
-		fi
-	fi
-}
-
-sys-user_src_configure() {
-	local current_uid=$(sys-user_getuid "${SYS_USER_NAME}")
-	if [[ -n "${current_uid}" ]]; then
-		# UPGRADE PATH: This user already exists, so if the eclass
-		# consumer doesn't care about some settings, we can reuse the
-		# pre-existing ones.
-		#
-		# This is also useful for sys-user package upgrades, because it
-		# prevents us from incrementing the UID on a reinstall, and doing
-		# so would break most packages that need a system user to exist.
-		if [[ "${SYS_USER_UID_IMPORTANT}" != "true" ]]; then
-			SYS_USER_UID="${current_uid}"
-		fi
-
-		if [[ -z "${SYS_USER_HOME}" ]]; then
-			SYS_USER_HOME=$(egethome "${SYS_USER_NAME}")
-		fi
-
-		if [[ -z "${SYS_USER_SHELL}" ]]; then
-			SYS_USER_SHELL=$(egetshell "${SYS_USER_NAME}")
-		fi
-	fi
-
-	local current_name=$(sys-user_getname "${SYS_USER_UID}")
-	if [[ -n "${current_name}" ]] && \
-		   [[ "${current_name}" != "${SYS_USER_NAME}" ]]; then
-		# This UID is already taken by another user, but this
-		# specific UID was not important (we checked in
-		# pkg_pretend), so fall back to an arbitrary one.
-		unset SYS_USER_UID
-	fi
-
-	# The "useradd" and "usermod" tools expect a comma-separated list,
-	# so change our spaces to commas. Having duplicates in the list is
-	# not a problem for those two tools.
-	SYS_USER_GROUPS="${SYS_USER_GROUPS// /,}"
-}
-
-sys-user_src_install() {
-	# Install a placeholder file to /var/lib/sys-user/$uid. This will
-	# cause collisions if two packages try to install users with the
-	# same UID. The same problem potentially exists with the username,
-	# but as long as SYS_USER_NAME is hard-coded to $PN, that shouldn't
-	# be possible.
-	#
-	# Beware, this only works if SYS_USER_UID is guaranteed to have a
-	# real UID and not be e.g. the empty string.
-	#
-	# Our sys-user_create() function makes sure to set SYS_USER_UID to
-	# something useful, and the only place that sys-user_create() is
-	# called from is sys-user_pkg_preinst(), which takes place before
-	# this sys-user_src_install().
-	#
-	# The other way that SYS_USER_UID could be empty is during an
-	# upgrade; however, if you're doing an upgrade and the new UID isn't
-	# important, then you'll get the same old UID that exists on the
-	# system from the old package. That old UID is assigned to SYS_USER_UID
-	# in sys-user_src_configure(), so that case is handled too.
-	touch "${T}/${SYS_USER_UID}" || die
-	insinto "/var/lib/sys-user"
-	doins "${T}/${SYS_USER_UID}"
-}
-
-sys-user_pkg_preinst() {
-	if [[ -z $(sys-user_getuid "${SYS_USER_NAME}") ]]; then
-		# The user does not already exist. This is the nice and easy
-		# case because no matter how we got here, we want to go ahead
-		# and create the (new) user.
-		sys-user_create || die "failed to add user ${SYS_USER_NAME}"
-	elif [[ -n "${REPLACING_VERSIONS}" ]]; then
-	   # This is an upgrade from a previous version of a sys-user
-	   # package. Modify the existing user (who will not be removed; see
-	   # sys-user_pkg_prerm) rather than creating a new one.
-		sys-user_modify || die "failed to upgrade user ${SYS_USER_NAME}"
-	else
-		# UPGRADE PATH: Ok, the user exists but this isn't an upgrade of
-		# a sys-user package. This is the upgrade path from the old
-		# style of user/group management to the new style. Lets see if
-		# the new user is compatible with the old one; it usually will be.
-		# We only bail out if there's a homedir or shell conflict.
-		#
-		# We should make it policy that new sys-user packages have the
-		# same homedir and shell as the existing ones created by
-		# ebuilds, but it can't hurt to check again here. These checks
-		# are done here (and not in pkg_pretend, where they would be
-		# more consistent) because the PMS states that REPLACING_VERSIONS
-		# may not be defined there.
-		#
-		# If a homedir/shell changes during a sys-user upgrade, we don't
-		# consider that a problem, because the change was knowingly made
-		# by a developer who just edited an ebuild to make that change.
-		local oldhome=$(egethome "${SYS_USER_NAME}")
-		local oldshell=$(egetshell "${SYS_USER_NAME}")
-
-		if [[ "${oldhome}" != "${SYS_USER_HOME}" ]]; then
-			die "home directory conflict for new user: ${SYS_USER_HOME}"
-		fi
-
-		if [[ "${oldshell}" != "${SYS_USER_SHELL}" ]]; then
-			die "shell conflict for new user: ${SYS_USER_SHELL}"
-		fi
-
-		# The user already exists, so all we have left to do is to try
-		# to append SYS_USER_GROUPS to the existing groups. The home
-		# dir, shell, and uid should all match already.
-		sys-user_modify \
-			|| die "failed to append groups to existing user ${SYS_USER_NAME}"
-	fi
-}
-
-
-sys-user_pkg_prerm() {
-	if [[ -z $(sys-user_getuid "${SYS_USER_NAME}") ]]; then
-		# We have successfully done nothing.
-		ewarn "Tried to remove nonexistent user ${SYS_USER_NAME}."
-	elif [[ -z "${REPLACED_BY_VERSION}" ]]; then
-		# The user to remove exists, and this is not an upgrade. For
-		# Phase 1, we maintain the status quo and simply refuse to
-		# remove him (unless you know what you are doing).
-		if [[ "${I_KNOW_WHAT_I_AM_DOING}" == "yes" ]]; then
-			userdel "${SYS_USER_NAME}" || \
-				die "failed to remove user ${SYS_USER_NAME}"
-			einfo "Removed user ${SYS_USER_NAME} from the system."
-		else
-			die "refusing to remove package for system user ${SYS_USER_NAME}"
-		fi
-
-		# The missing case: if the user exists and this is an upgrade,
-		# we leave him alone to be modified in sys-user_pkg_preinst().
-	fi
-}