eclass/gnome2-utils.eclass - mirrors/cros/chromiumos/overlays/portage-stable - Git at Google

 # Copyright 1999-2012 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/eclass/gnome2-utils.eclass,v 1.31 2012/10/27 22:24:10 tetromino Exp $

 # @ECLASS: gnome2-utils.eclass
 # @MAINTAINER:
 # gnome@gentoo.org
 # @BLURB: Auxiliary functions commonly used by Gnome packages.
 # @DESCRIPTION:
 # This eclass provides a set of auxiliary functions needed by most Gnome
 # packages. It may be used by non-Gnome packages as needed for handling various
 # Gnome stack related functions such as:
 #  * Gtk+ icon cache management
 #  * GSettings schemas management
 #  * GConf schemas management
 #  * scrollkeeper (old Gnome help system) management

 case "${EAPI:-0}" in
 	0|1|2|3|4|5) ;;
 	*) die "EAPI=${EAPI} is not supported" ;;
 esac

 # @ECLASS-VARIABLE: GCONFTOOL_BIN
 # @INTERNAL
 # @DESCRIPTION:
 # Path to gconftool-2
 : ${GCONFTOOL_BIN:="/usr/bin/gconftool-2"}

 # @ECLASS-VARIABLE: SCROLLKEEPER_DIR
 # @INTERNAL
 # @DESCRIPTION:
 # Directory where scrollkeeper-update should do its work
 : ${SCROLLKEEPER_DIR:="/var/lib/scrollkeeper"}

 # @ECLASS-VARIABLE: SCROLLKEEPER_UPDATE_BIN
 # @INTERNAL
 # @DESCRIPTION:
 # Path to scrollkeeper-update
 : ${SCROLLKEEPER_UPDATE_BIN:="/usr/bin/scrollkeeper-update"}

 # @ECLASS-VARIABLE: GTK_UPDATE_ICON_CACHE
 # @INTERNAL
 # @DESCRIPTION:
 # Path to gtk-update-icon-cache
 : ${GTK_UPDATE_ICON_CACHE:="/usr/bin/gtk-update-icon-cache"}

 # @ECLASS-VARIABLE: GLIB_COMPILE_SCHEMAS
 # @INTERNAL
 # @DESCRIPTION:
 # Path to glib-compile-schemas
 : ${GLIB_COMPILE_SCHEMAS:="/usr/bin/glib-compile-schemas"}

 # @ECLASS-VARIABLE: GNOME2_ECLASS_SCHEMAS
 # @INTERNAL
 # @DEFAULT_UNSET
 # @DESCRIPTION:
 # List of GConf schemas provided by the package

 # @ECLASS-VARIABLE: GNOME2_ECLASS_ICONS
 # @INTERNAL
 # @DEFAULT_UNSET
 # @DESCRIPTION:
 # List of icons provided by the package

 # @ECLASS-VARIABLE: GNOME2_ECLASS_SCROLLS
 # @INTERNAL
 # @DEFAULT_UNSET
 # @DESCRIPTION:
 # List of scrolls (documentation files) provided by the package

 # @ECLASS-VARIABLE: GNOME2_ECLASS_GLIB_SCHEMAS
 # @INTERNAL
 # @DEFAULT_UNSET
 # @DESCRIPTION:
 # List of GSettings schemas provided by the package

 DEPEND=">=sys-apps/sed-4"


 # @FUNCTION: gnome2_environment_reset
 # @DESCRIPTION:
 # Reset various variables inherited from root's evironment to a reasonable
 # default for ebuilds to help avoid access violations and test failures.
 gnome2_environment_reset() {
 	# Respected by >=glib-2.30.1-r1
 	export G_HOME="${T}"

 	# GST_REGISTRY is to work around gst utilities trying to read/write /root
 	export GST_REGISTRY="${T}/registry.xml"

 	# XXX: code for resetting XDG_* directories should probably be moved into
 	# a separate function in a non-gnome eclass
 	export XDG_DATA_HOME="${T}/.local/share"
 	export XDG_CONFIG_HOME="${T}/.config"
 	export XDG_CACHE_HOME="${T}/.cache"
 	export XDG_RUNTIME_DIR="${T}/run"
 	mkdir -p "${XDG_DATA_HOME}" "${XDG_CONFIG_HOME}" "${XDG_CACHE_HOME}" \
 		"${XDG_RUNTIME_DIR}"
 	# This directory needs to be owned by the user, and chmod 0700
 	# http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
 	chmod 0700 "${XDG_RUNTIME_DIR}"
 }

 # @FUNCTION: gnome2_gconf_savelist
 # @DESCRIPTION:
 # Find the GConf schemas that are about to be installed and save their location
 # in the GNOME2_ECLASS_SCHEMAS environment variable.
 # This function should be called from pkg_preinst.
 gnome2_gconf_savelist() {
 	has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
 	pushd "${ED}" &> /dev/null
 	export GNOME2_ECLASS_SCHEMAS=$(find 'etc/gconf/schemas/' -name '*.schemas' 2> /dev/null)
 	popd &> /dev/null
 }

 # @FUNCTION: gnome2_gconf_install
 # @DESCRIPTION:
 # Applies any schema files installed by the current ebuild to Gconf's database
 # using gconftool-2.
 # This function should be called from pkg_postinst.
 gnome2_gconf_install() {
 	has ${EAPI:-0} 0 1 2 && ! use prefix && EROOT="${ROOT}"
 	local updater="${EROOT}${GCONFTOOL_BIN}"

 	if [[ ! -x "${updater}" ]]; then
 		debug-print "${updater} is not executable"
 		return
 	fi

 	if [[ -z "${GNOME2_ECLASS_SCHEMAS}" ]]; then
 		debug-print "No GNOME 2 GConf schemas found"
 		return
 	fi

 	# We are ready to install the GCONF Scheme now
 	unset GCONF_DISABLE_MAKEFILE_SCHEMA_INSTALL
 	export GCONF_CONFIG_SOURCE="$("${updater}" --get-default-source | sed "s;:/;:${ROOT};")"

 	einfo "Installing GNOME 2 GConf schemas"

 	local F
 	for F in ${GNOME2_ECLASS_SCHEMAS}; do
 		if [[ -e "${EROOT}${F}" ]]; then
 			debug-print "Installing schema: ${F}"
 			"${updater}" --makefile-install-rule "${EROOT}${F}" 1>/dev/null
 		fi
 	done

 	# have gconf reload the new schemas
 	pids=$(pgrep -x gconfd-2)
 	if [[ $? == 0 ]] ; then
 		ebegin "Reloading GConf schemas"
 		kill -HUP ${pids}
 		eend $?
 	fi
 }

 # @FUNCTION: gnome2_gconf_uninstall
 # @DESCRIPTION:
 # Removes schema files previously installed by the current ebuild from Gconf's
 # database.
 gnome2_gconf_uninstall() {
 	has ${EAPI:-0} 0 1 2 && ! use prefix && EROOT="${ROOT}"
 	local updater="${EROOT}${GCONFTOOL_BIN}"

 	if [[ ! -x "${updater}" ]]; then
 		debug-print "${updater} is not executable"
 		return
 	fi

 	if [[ -z "${GNOME2_ECLASS_SCHEMAS}" ]]; then
 		debug-print "No GNOME 2 GConf schemas found"
 		return
 	fi

 	unset GCONF_DISABLE_MAKEFILE_SCHEMA_INSTALL
 	export GCONF_CONFIG_SOURCE="$("${updater}" --get-default-source | sed "s;:/;:${ROOT};")"

 	einfo "Uninstalling GNOME 2 GConf schemas"

 	local F
 	for F in ${GNOME2_ECLASS_SCHEMAS}; do
 		if [[ -e "${EROOT}${F}" ]]; then
 			debug-print "Uninstalling gconf schema: ${F}"
 			"${updater}" --makefile-uninstall-rule "${EROOT}${F}" 1>/dev/null
 		fi
 	done

 	# have gconf reload the new schemas
 	pids=$(pgrep -x gconfd-2)
 	if [[ $? == 0 ]] ; then
 		ebegin "Reloading GConf schemas"
 		kill -HUP ${pids}
 		eend $?
 	fi
 }

 # @FUNCTION: gnome2_icon_savelist
 # @DESCRIPTION:
 # Find the icons that are about to be installed and save their location
 # in the GNOME2_ECLASS_ICONS environment variable.
 # This function should be called from pkg_preinst.
 gnome2_icon_savelist() {
 	has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
 	pushd "${ED}" &> /dev/null
 	export GNOME2_ECLASS_ICONS=$(find 'usr/share/icons' -maxdepth 1 -mindepth 1 -type d 2> /dev/null)
 	popd &> /dev/null
 }

 # @FUNCTION: gnome2_icon_cache_update
 # @DESCRIPTION:
 # Updates Gtk+ icon cache files under /usr/share/icons if the current ebuild
 # have installed anything under that location.
 # This function should be called from pkg_postinst and pkg_postrm.
 gnome2_icon_cache_update() {
 	has ${EAPI:-0} 0 1 2 && ! use prefix && EROOT="${ROOT}"
 	local updater="${EROOT}${GTK_UPDATE_ICON_CACHE}"

 	if [[ ! -x "${updater}" ]] ; then
 		debug-print "${updater} is not executable"
 		return
 	fi

 	if [[ -z "${GNOME2_ECLASS_ICONS}" ]]; then
 		debug-print "No icon cache to update"
 		return
 	fi

 	ebegin "Updating icons cache"

 	local retval=0
 	local fails=( )

 	for dir in ${GNOME2_ECLASS_ICONS}
 	do
 		if [[ -f "${EROOT}${dir}/index.theme" ]] ; then
 			local rv=0

 			"${updater}" -qf "${EROOT}${dir}"
 			rv=$?

 			if [[ ! $rv -eq 0 ]] ; then
 				debug-print "Updating cache failed on ${EROOT}${dir}"

 				# Add to the list of failures
 				fails[$(( ${#fails[@]} + 1 ))]="${EROOT}${dir}"

 				retval=2
 			fi
 		elif [[ $(ls "${EROOT}${dir}") = "icon-theme.cache" ]]; then
 			# Clear stale cache files after theme uninstallation
 			rm "${EROOT}${dir}/icon-theme.cache"
 		fi

 		if [[ -z $(ls "${EROOT}${dir}") ]]; then
 			# Clear empty theme directories after theme uninstallation
 			rmdir "${EROOT}${dir}"
 		fi
 	done

 	eend ${retval}

 	for f in "${fails[@]}" ; do
 		eerror "Failed to update cache with icon $f"
 	done
 }

 # @FUNCTION: gnome2_omf_fix
 # @DESCRIPTION:
 # Workaround applied to Makefile rules in order to remove redundant
 # calls to scrollkeeper-update and sandbox violations.
 # This function should be called from src_prepare.
 gnome2_omf_fix() {
 	local omf_makefiles filename

 	omf_makefiles="$@"

 	if [[ -f ${S}/omf.make ]] ; then
 		omf_makefiles="${omf_makefiles} ${S}/omf.make"
 	fi

 	if [[ -f ${S}/gnome-doc-utils.make ]] ; then
 		omf_makefiles="${omf_makefiles} ${S}/gnome-doc-utils.make"
 	fi

 	# testing fixing of all makefiles found
 	# The sort is important to ensure .am is listed before the respective .in for
 	# maintainer mode regeneration not kicking in due to .am being newer than .in
 	for filename in $(find "${S}" -name "Makefile.in" -o -name "Makefile.am" |sort) ; do
 		omf_makefiles="${omf_makefiles} ${filename}"
 	done

 	ebegin "Fixing OMF Makefiles"

 	local retval=0
 	local fails=( )

 	for omf in ${omf_makefiles} ; do
 		sed -i -e 's:scrollkeeper-update:true:' "${omf}"
 		retval=$?

 		if [[ $retval -ne 0 ]] ; then
 			debug-print "updating of ${omf} failed"

 			# Add to the list of failures
 			fails[$(( ${#fails[@]} + 1 ))]=$omf

 			retval=2
 		fi
 	done

 	eend $retval

 	for f in "${fails[@]}" ; do
 		eerror "Failed to update OMF Makefile $f"
 	done
 }

 # @FUNCTION: gnome2_scrollkeeper_savelist
 # @DESCRIPTION:
 # Find the scrolls that are about to be installed and save their location
 # in the GNOME2_ECLASS_SCROLLS environment variable.
 # This function should be called from pkg_preinst.
 gnome2_scrollkeeper_savelist() {
 	has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
 	pushd "${ED}" &> /dev/null
 	export GNOME2_ECLASS_SCROLLS=$(find 'usr/share/omf' -type f -name "*.omf" 2> /dev/null)
 	popd &> /dev/null
 }

 # @FUNCTION: gnome2_scrollkeeper_update
 # @DESCRIPTION:
 # Updates the global scrollkeeper database.
 # This function should be called from pkg_postinst and pkg_postrm.
 gnome2_scrollkeeper_update() {
 	has ${EAPI:-0} 0 1 2 && ! use prefix && EROOT="${ROOT}"
 	local updater="${EROOT}${SCROLLKEEPER_UPDATE_BIN}"

 	if [[ ! -x "${updater}" ]] ; then
 		debug-print "${updater} is not executable"
 		return
 	fi

 	if [[ -z "${GNOME2_ECLASS_SCROLLS}" ]]; then
 		debug-print "No scroll cache to update"
 		return
 	fi

 	ebegin "Updating scrollkeeper database ..."
 	"${updater}" -q -p "${EROOT}${SCROLLKEEPER_DIR}"
 	eend $?
 }

 # @FUNCTION: gnome2_schemas_savelist
 # @DESCRIPTION:
 # Find if there is any GSettings schema to install and save the list in
 # GNOME2_ECLASS_GLIB_SCHEMAS variable.
 # This function should be called from pkg_preinst.
 gnome2_schemas_savelist() {
 	has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
 	pushd "${ED}" &>/dev/null
 	export GNOME2_ECLASS_GLIB_SCHEMAS=$(find 'usr/share/glib-2.0/schemas' -name '*.gschema.xml' 2>/dev/null)
 	popd &>/dev/null
 }

 # @FUNCTION: gnome2_schemas_update
 # @USAGE: gnome2_schemas_update
 # @DESCRIPTION:
 # Updates GSettings schemas if GNOME2_ECLASS_GLIB_SCHEMAS has some.
 # This function should be called from pkg_postinst and pkg_postrm.
 gnome2_schemas_update() {
 	has ${EAPI:-0} 0 1 2 && ! use prefix && EROOT="${ROOT}"
 	local updater="${EROOT}${GLIB_COMPILE_SCHEMAS}"

 	if [[ ! -x ${updater} ]]; then
 		debug-print "${updater} is not executable"
 		return
 	fi

 	if [[ -z ${GNOME2_ECLASS_GLIB_SCHEMAS} ]]; then
 		debug-print "No GSettings schemas to update"
 		return
 	fi

 	ebegin "Updating GSettings schemas"
 	${updater} --allow-any-name "$@" "${EROOT%/}/usr/share/glib-2.0/schemas" &>/dev/null
 	eend $?
 }

 # @FUNCTION: gnome2_query_immodules_gtk2
 # @USAGE: gnome2_query_immodules_gtk2
 # @DESCRIPTION:
 # Updates gtk2 immodules/gdk-pixbuf loaders listing.
 gnome2_query_immodules_gtk2() {
 	local GTK2_CONFDIR="/etc/gtk-2.0/$(get_abi_CHOST)"

 	local query_exec="${EPREFIX}/usr/bin/gtk-query-immodules-2.0"
 	local gtk_conf="${EPREFIX}${GTK2_CONFDIR}/gtk.immodules"
 	local gtk_conf_dir=$(dirname "${gtk_conf}")

 	einfo "Generating Gtk2 immodules/gdk-pixbuf loaders listing:"
 	einfo "-> ${gtk_conf}"

 	mkdir -p "${gtk_conf_dir}"
 	local tmp_file=$(mktemp -t tmp.XXXXXXXXXXgtk_query_immodules)
 	if [ -z "${tmp_file}" ]; then
 		ewarn "gtk_query_immodules: cannot create temporary file"
 		return 1
 	fi

 	if ${query_exec} > "${tmp_file}"; then
 		cat "${tmp_file}" > "${gtk_conf}" || \
 			ewarn "Failed to write to ${gtk_conf}"
 	else
 		ewarn "Cannot update gtk.immodules, file generation failed"
 	fi
 	rm "${tmp_file}"
 }

 # @FUNCTION: gnome2_query_immodules_gtk3
 # @USAGE: gnome2_query_immodules_gtk3
 # @DESCRIPTION:
 # Updates gtk3 immodules/gdk-pixbuf loaders listing.
 gnome2_query_immodules_gtk3() {
 	"${EPREFIX}/usr/bin/gtk-query-immodules-3.0" --update-cache
 }

 # @FUNCTION: gnome2_disable_deprecation_warning
 # @DESCRIPTION:
 # Disable deprecation warnings commonly found in glib based packages.
 # Should be called from src_prepare.
 gnome2_disable_deprecation_warning() {
 	local retval=0
 	local fails=( )
 	local makefile

 	ebegin "Disabling deprecation warnings"
 	# The sort is important to ensure .am is listed before the respective .in for
 	# maintainer mode regeneration not kicking in due to .am being newer than .in
 	while read makefile ; do
 		if ! grep -qE "(DISABLE_DEPRECATED|GSEAL_ENABLE)" "${makefile}"; then
 			continue
 		fi

 		LC_ALL=C sed -r -i \
 			-e 's:-D[A-Z_]+_DISABLE_DEPRECATED:$(NULL):g' \
 			-e 's:-DGSEAL_ENABLE:$(NULL):g' \
 			-i "${makefile}"

 		if [[ $? -ne 0 ]]; then
 			# Add to the list of failures
 			fails+=( "${makefile}" )
 			retval=2
 		fi
 	done < <(find "${S}" -name "Makefile.in" \
 		-o -name "Makefile.am" -o -name "Makefile.decl" \
 		| sort; echo configure)
 # TODO: sedding configure.ac can trigger maintainer mode; bug #439602
 #		-o -name "configure.ac" -o -name "configure.in" \
 #		| sort; echo configure)
 	eend ${retval}

 	for makefile in "${fails[@]}" ; do
 		ewarn "Failed to disable deprecation warnings in ${makefile}"
 	done
 }
	# Copyright 1999-2012 Gentoo Foundation
	# Distributed under the terms of the GNU General Public License v2
	# $Header: /var/cvsroot/gentoo-x86/eclass/gnome2-utils.eclass,v 1.31 2012/10/27 22:24:10 tetromino Exp $

	# @ECLASS: gnome2-utils.eclass
	# @MAINTAINER:
	# gnome@gentoo.org
	# @BLURB: Auxiliary functions commonly used by Gnome packages.
	# @DESCRIPTION:
	# This eclass provides a set of auxiliary functions needed by most Gnome
	# packages. It may be used by non-Gnome packages as needed for handling various
	# Gnome stack related functions such as:
	# * Gtk+ icon cache management
	# * GSettings schemas management
	# * GConf schemas management
	# * scrollkeeper (old Gnome help system) management

	case "${EAPI:-0}" in
	0\|1\|2\|3\|4\|5) ;;
	*) die "EAPI=${EAPI} is not supported" ;;
	esac

	# @ECLASS-VARIABLE: GCONFTOOL_BIN
	# @INTERNAL
	# @DESCRIPTION:
	# Path to gconftool-2
	: ${GCONFTOOL_BIN:="/usr/bin/gconftool-2"}

	# @ECLASS-VARIABLE: SCROLLKEEPER_DIR
	# @INTERNAL
	# @DESCRIPTION:
	# Directory where scrollkeeper-update should do its work
	: ${SCROLLKEEPER_DIR:="/var/lib/scrollkeeper"}

	# @ECLASS-VARIABLE: SCROLLKEEPER_UPDATE_BIN
	# @INTERNAL
	# @DESCRIPTION:
	# Path to scrollkeeper-update
	: ${SCROLLKEEPER_UPDATE_BIN:="/usr/bin/scrollkeeper-update"}

	# @ECLASS-VARIABLE: GTK_UPDATE_ICON_CACHE
	# @INTERNAL
	# @DESCRIPTION:
	# Path to gtk-update-icon-cache
	: ${GTK_UPDATE_ICON_CACHE:="/usr/bin/gtk-update-icon-cache"}

	# @ECLASS-VARIABLE: GLIB_COMPILE_SCHEMAS
	# @INTERNAL
	# @DESCRIPTION:
	# Path to glib-compile-schemas
	: ${GLIB_COMPILE_SCHEMAS:="/usr/bin/glib-compile-schemas"}

	# @ECLASS-VARIABLE: GNOME2_ECLASS_SCHEMAS
	# @INTERNAL
	# @DEFAULT_UNSET
	# @DESCRIPTION:
	# List of GConf schemas provided by the package

	# @ECLASS-VARIABLE: GNOME2_ECLASS_ICONS
	# @INTERNAL
	# @DEFAULT_UNSET
	# @DESCRIPTION:
	# List of icons provided by the package

	# @ECLASS-VARIABLE: GNOME2_ECLASS_SCROLLS
	# @INTERNAL
	# @DEFAULT_UNSET
	# @DESCRIPTION:
	# List of scrolls (documentation files) provided by the package

	# @ECLASS-VARIABLE: GNOME2_ECLASS_GLIB_SCHEMAS
	# @INTERNAL
	# @DEFAULT_UNSET
	# @DESCRIPTION:
	# List of GSettings schemas provided by the package

	DEPEND=">=sys-apps/sed-4"


	# @FUNCTION: gnome2_environment_reset
	# @DESCRIPTION:
	# Reset various variables inherited from root's evironment to a reasonable
	# default for ebuilds to help avoid access violations and test failures.
	gnome2_environment_reset() {
	# Respected by >=glib-2.30.1-r1
	export G_HOME="${T}"

	# GST_REGISTRY is to work around gst utilities trying to read/write /root
	export GST_REGISTRY="${T}/registry.xml"

	# XXX: code for resetting XDG_* directories should probably be moved into
	# a separate function in a non-gnome eclass
	export XDG_DATA_HOME="${T}/.local/share"
	export XDG_CONFIG_HOME="${T}/.config"
	export XDG_CACHE_HOME="${T}/.cache"
	export XDG_RUNTIME_DIR="${T}/run"
	mkdir -p "${XDG_DATA_HOME}" "${XDG_CONFIG_HOME}" "${XDG_CACHE_HOME}" \
	"${XDG_RUNTIME_DIR}"
	# This directory needs to be owned by the user, and chmod 0700
	# http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
	chmod 0700 "${XDG_RUNTIME_DIR}"
	}

	# @FUNCTION: gnome2_gconf_savelist
	# @DESCRIPTION:
	# Find the GConf schemas that are about to be installed and save their location
	# in the GNOME2_ECLASS_SCHEMAS environment variable.
	# This function should be called from pkg_preinst.
	gnome2_gconf_savelist() {
	has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
	pushd "${ED}" &> /dev/null
	export GNOME2_ECLASS_SCHEMAS=$(find 'etc/gconf/schemas/' -name '*.schemas' 2> /dev/null)
	popd &> /dev/null
	}

	# @FUNCTION: gnome2_gconf_install
	# @DESCRIPTION:
	# Applies any schema files installed by the current ebuild to Gconf's database
	# using gconftool-2.
	# This function should be called from pkg_postinst.
	gnome2_gconf_install() {
	has ${EAPI:-0} 0 1 2 && ! use prefix && EROOT="${ROOT}"
	local updater="${EROOT}${GCONFTOOL_BIN}"

	if [[ ! -x "${updater}" ]]; then
	debug-print "${updater} is not executable"
	return
	fi

	if [[ -z "${GNOME2_ECLASS_SCHEMAS}" ]]; then
	debug-print "No GNOME 2 GConf schemas found"
	return
	fi

	# We are ready to install the GCONF Scheme now
	unset GCONF_DISABLE_MAKEFILE_SCHEMA_INSTALL
	export GCONF_CONFIG_SOURCE="$("${updater}" --get-default-source \| sed "s;:/;:${ROOT};")"

	einfo "Installing GNOME 2 GConf schemas"

	local F
	for F in ${GNOME2_ECLASS_SCHEMAS}; do
	if [[ -e "${EROOT}${F}" ]]; then
	debug-print "Installing schema: ${F}"
	"${updater}" --makefile-install-rule "${EROOT}${F}" 1>/dev/null
	fi
	done

	# have gconf reload the new schemas
	pids=$(pgrep -x gconfd-2)
	if [[ $? == 0 ]] ; then
	ebegin "Reloading GConf schemas"
	kill -HUP ${pids}
	eend $?
	fi
	}

	# @FUNCTION: gnome2_gconf_uninstall
	# @DESCRIPTION:
	# Removes schema files previously installed by the current ebuild from Gconf's
	# database.
	gnome2_gconf_uninstall() {
	has ${EAPI:-0} 0 1 2 && ! use prefix && EROOT="${ROOT}"
	local updater="${EROOT}${GCONFTOOL_BIN}"

	if [[ ! -x "${updater}" ]]; then
	debug-print "${updater} is not executable"
	return
	fi

	if [[ -z "${GNOME2_ECLASS_SCHEMAS}" ]]; then
	debug-print "No GNOME 2 GConf schemas found"
	return
	fi

	unset GCONF_DISABLE_MAKEFILE_SCHEMA_INSTALL
	export GCONF_CONFIG_SOURCE="$("${updater}" --get-default-source \| sed "s;:/;:${ROOT};")"

	einfo "Uninstalling GNOME 2 GConf schemas"

	local F
	for F in ${GNOME2_ECLASS_SCHEMAS}; do
	if [[ -e "${EROOT}${F}" ]]; then
	debug-print "Uninstalling gconf schema: ${F}"
	"${updater}" --makefile-uninstall-rule "${EROOT}${F}" 1>/dev/null
	fi
	done

	# have gconf reload the new schemas
	pids=$(pgrep -x gconfd-2)
	if [[ $? == 0 ]] ; then
	ebegin "Reloading GConf schemas"
	kill -HUP ${pids}
	eend $?
	fi
	}

	# @FUNCTION: gnome2_icon_savelist
	# @DESCRIPTION:
	# Find the icons that are about to be installed and save their location
	# in the GNOME2_ECLASS_ICONS environment variable.
	# This function should be called from pkg_preinst.
	gnome2_icon_savelist() {
	has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
	pushd "${ED}" &> /dev/null
	export GNOME2_ECLASS_ICONS=$(find 'usr/share/icons' -maxdepth 1 -mindepth 1 -type d 2> /dev/null)
	popd &> /dev/null
	}

	# @FUNCTION: gnome2_icon_cache_update
	# @DESCRIPTION:
	# Updates Gtk+ icon cache files under /usr/share/icons if the current ebuild
	# have installed anything under that location.
	# This function should be called from pkg_postinst and pkg_postrm.
	gnome2_icon_cache_update() {
	has ${EAPI:-0} 0 1 2 && ! use prefix && EROOT="${ROOT}"
	local updater="${EROOT}${GTK_UPDATE_ICON_CACHE}"

	if [[ ! -x "${updater}" ]] ; then
	debug-print "${updater} is not executable"
	return
	fi

	if [[ -z "${GNOME2_ECLASS_ICONS}" ]]; then
	debug-print "No icon cache to update"
	return
	fi

	ebegin "Updating icons cache"

	local retval=0
	local fails=( )

	for dir in ${GNOME2_ECLASS_ICONS}
	do
	if [[ -f "${EROOT}${dir}/index.theme" ]] ; then
	local rv=0

	"${updater}" -qf "${EROOT}${dir}"
	rv=$?

	if [[ ! $rv -eq 0 ]] ; then
	debug-print "Updating cache failed on ${EROOT}${dir}"

	# Add to the list of failures
	fails[$(( ${#fails[@]} + 1 ))]="${EROOT}${dir}"

	retval=2
	fi
	elif [[ $(ls "${EROOT}${dir}") = "icon-theme.cache" ]]; then
	# Clear stale cache files after theme uninstallation
	rm "${EROOT}${dir}/icon-theme.cache"
	fi

	if [[ -z $(ls "${EROOT}${dir}") ]]; then
	# Clear empty theme directories after theme uninstallation
	rmdir "${EROOT}${dir}"
	fi
	done

	eend ${retval}

	for f in "${fails[@]}" ; do
	eerror "Failed to update cache with icon $f"
	done
	}

	# @FUNCTION: gnome2_omf_fix
	# @DESCRIPTION:
	# Workaround applied to Makefile rules in order to remove redundant
	# calls to scrollkeeper-update and sandbox violations.
	# This function should be called from src_prepare.
	gnome2_omf_fix() {
	local omf_makefiles filename

	omf_makefiles="$@"

	if [[ -f ${S}/omf.make ]] ; then
	omf_makefiles="${omf_makefiles} ${S}/omf.make"
	fi

	if [[ -f ${S}/gnome-doc-utils.make ]] ; then
	omf_makefiles="${omf_makefiles} ${S}/gnome-doc-utils.make"
	fi

	# testing fixing of all makefiles found
	# The sort is important to ensure .am is listed before the respective .in for
	# maintainer mode regeneration not kicking in due to .am being newer than .in
	for filename in $(find "${S}" -name "Makefile.in" -o -name "Makefile.am" \|sort) ; do
	omf_makefiles="${omf_makefiles} ${filename}"
	done

	ebegin "Fixing OMF Makefiles"

	local retval=0
	local fails=( )

	for omf in ${omf_makefiles} ; do
	sed -i -e 's:scrollkeeper-update:true:' "${omf}"
	retval=$?

	if [[ $retval -ne 0 ]] ; then
	debug-print "updating of ${omf} failed"

	# Add to the list of failures
	fails[$(( ${#fails[@]} + 1 ))]=$omf

	retval=2
	fi
	done

	eend $retval

	for f in "${fails[@]}" ; do
	eerror "Failed to update OMF Makefile $f"
	done
	}

	# @FUNCTION: gnome2_scrollkeeper_savelist
	# @DESCRIPTION:
	# Find the scrolls that are about to be installed and save their location
	# in the GNOME2_ECLASS_SCROLLS environment variable.
	# This function should be called from pkg_preinst.
	gnome2_scrollkeeper_savelist() {
	has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
	pushd "${ED}" &> /dev/null
	export GNOME2_ECLASS_SCROLLS=$(find 'usr/share/omf' -type f -name "*.omf" 2> /dev/null)
	popd &> /dev/null
	}

	# @FUNCTION: gnome2_scrollkeeper_update
	# @DESCRIPTION:
	# Updates the global scrollkeeper database.
	# This function should be called from pkg_postinst and pkg_postrm.
	gnome2_scrollkeeper_update() {
	has ${EAPI:-0} 0 1 2 && ! use prefix && EROOT="${ROOT}"
	local updater="${EROOT}${SCROLLKEEPER_UPDATE_BIN}"

	if [[ ! -x "${updater}" ]] ; then
	debug-print "${updater} is not executable"
	return
	fi

	if [[ -z "${GNOME2_ECLASS_SCROLLS}" ]]; then
	debug-print "No scroll cache to update"
	return
	fi

	ebegin "Updating scrollkeeper database ..."
	"${updater}" -q -p "${EROOT}${SCROLLKEEPER_DIR}"
	eend $?
	}

	# @FUNCTION: gnome2_schemas_savelist
	# @DESCRIPTION:
	# Find if there is any GSettings schema to install and save the list in
	# GNOME2_ECLASS_GLIB_SCHEMAS variable.
	# This function should be called from pkg_preinst.
	gnome2_schemas_savelist() {
	has ${EAPI:-0} 0 1 2 && ! use prefix && ED="${D}"
	pushd "${ED}" &>/dev/null
	export GNOME2_ECLASS_GLIB_SCHEMAS=$(find 'usr/share/glib-2.0/schemas' -name '*.gschema.xml' 2>/dev/null)
	popd &>/dev/null
	}

	# @FUNCTION: gnome2_schemas_update
	# @USAGE: gnome2_schemas_update
	# @DESCRIPTION:
	# Updates GSettings schemas if GNOME2_ECLASS_GLIB_SCHEMAS has some.
	# This function should be called from pkg_postinst and pkg_postrm.
	gnome2_schemas_update() {
	has ${EAPI:-0} 0 1 2 && ! use prefix && EROOT="${ROOT}"
	local updater="${EROOT}${GLIB_COMPILE_SCHEMAS}"

	if [[ ! -x ${updater} ]]; then
	debug-print "${updater} is not executable"
	return
	fi

	if [[ -z ${GNOME2_ECLASS_GLIB_SCHEMAS} ]]; then
	debug-print "No GSettings schemas to update"
	return
	fi

	ebegin "Updating GSettings schemas"
	${updater} --allow-any-name "$@" "${EROOT%/}/usr/share/glib-2.0/schemas" &>/dev/null
	eend $?
	}

	# @FUNCTION: gnome2_query_immodules_gtk2
	# @USAGE: gnome2_query_immodules_gtk2
	# @DESCRIPTION:
	# Updates gtk2 immodules/gdk-pixbuf loaders listing.
	gnome2_query_immodules_gtk2() {
	local GTK2_CONFDIR="/etc/gtk-2.0/$(get_abi_CHOST)"

	local query_exec="${EPREFIX}/usr/bin/gtk-query-immodules-2.0"
	local gtk_conf="${EPREFIX}${GTK2_CONFDIR}/gtk.immodules"
	local gtk_conf_dir=$(dirname "${gtk_conf}")

	einfo "Generating Gtk2 immodules/gdk-pixbuf loaders listing:"
	einfo "-> ${gtk_conf}"

	mkdir -p "${gtk_conf_dir}"
	local tmp_file=$(mktemp -t tmp.XXXXXXXXXXgtk_query_immodules)
	if [ -z "${tmp_file}" ]; then
	ewarn "gtk_query_immodules: cannot create temporary file"
	return 1
	fi

	if ${query_exec} > "${tmp_file}"; then
	cat "${tmp_file}" > "${gtk_conf}" \|\| \
	ewarn "Failed to write to ${gtk_conf}"
	else
	ewarn "Cannot update gtk.immodules, file generation failed"
	fi
	rm "${tmp_file}"
	}

	# @FUNCTION: gnome2_query_immodules_gtk3
	# @USAGE: gnome2_query_immodules_gtk3
	# @DESCRIPTION:
	# Updates gtk3 immodules/gdk-pixbuf loaders listing.
	gnome2_query_immodules_gtk3() {
	"${EPREFIX}/usr/bin/gtk-query-immodules-3.0" --update-cache
	}

	# @FUNCTION: gnome2_disable_deprecation_warning
	# @DESCRIPTION:
	# Disable deprecation warnings commonly found in glib based packages.
	# Should be called from src_prepare.
	gnome2_disable_deprecation_warning() {
	local retval=0
	local fails=( )
	local makefile

	ebegin "Disabling deprecation warnings"
	# The sort is important to ensure .am is listed before the respective .in for
	# maintainer mode regeneration not kicking in due to .am being newer than .in
	while read makefile ; do
	if ! grep -qE "(DISABLE_DEPRECATED\|GSEAL_ENABLE)" "${makefile}"; then
	continue
	fi

	LC_ALL=C sed -r -i \
	-e 's:-D[A-Z_]+_DISABLE_DEPRECATED:$(NULL):g' \
	-e 's:-DGSEAL_ENABLE:$(NULL):g' \
	-i "${makefile}"

	if [[ $? -ne 0 ]]; then
	# Add to the list of failures
	fails+=( "${makefile}" )
	retval=2
	fi
	done < <(find "${S}" -name "Makefile.in" \
	-o -name "Makefile.am" -o -name "Makefile.decl" \
	\| sort; echo configure)
	# TODO: sedding configure.ac can trigger maintainer mode; bug #439602
	# -o -name "configure.ac" -o -name "configure.in" \
	# \| sort; echo configure)
	eend ${retval}

	for makefile in "${fails[@]}" ; do
	ewarn "Failed to disable deprecation warnings in ${makefile}"
	done
	}