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# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: xdg-utils.eclass
# @MAINTAINER:
# gnome@gentoo.org
# @AUTHOR:
# Original author: Gilles Dartiguelongue <eva@gentoo.org>
# @BLURB: Auxiliary functions commonly used by XDG compliant packages.
# @DESCRIPTION:
# This eclass provides a set of auxiliary functions needed by most XDG
# compliant packages.
# It provides XDG stack related functions such as:
# * XDG .desktop files cache management
# * XDG mime information database management
case "${EAPI:-0}" in
0|1|2|3|4|5|6|7) ;;
*) die "EAPI=${EAPI} is not supported" ;;
esac
# @ECLASS-VARIABLE: DESKTOP_DATABASE_UPDATE_BIN
# @INTERNAL
# @DESCRIPTION:
# Path to update-desktop-database
: "${DESKTOP_DATABASE_UPDATE_BIN:="/usr/bin/update-desktop-database"}"
# @ECLASS-VARIABLE: DESKTOP_DATABASE_DIR
# @INTERNAL
# @DESCRIPTION:
# Directory where .desktop files database is stored
: "${DESKTOP_DATABASE_DIR="/usr/share/applications"}"
# @ECLASS-VARIABLE: GTK_UPDATE_ICON_CACHE
# @INTERNAL
# @DESCRIPTION:
# Path to gtk-update-icon-cache
: "${GTK_UPDATE_ICON_CACHE:="/usr/bin/gtk-update-icon-cache"}"
# @ECLASS-VARIABLE: MIMEINFO_DATABASE_UPDATE_BIN
# @INTERNAL
# @DESCRIPTION:
# Path to update-mime-database
: "${MIMEINFO_DATABASE_UPDATE_BIN:="/usr/bin/update-mime-database"}"
# @ECLASS-VARIABLE: MIMEINFO_DATABASE_DIR
# @INTERNAL
# @DESCRIPTION:
# Directory where .desktop files database is stored
: "${MIMEINFO_DATABASE_DIR:="/usr/share/mime"}"
# @ECLASS-VARIABLE: XDG_ECLASS_ICONS
# @INTERNAL
# @DEFAULT_UNSET
# @DESCRIPTION:
# List of icons provided by the package
# @FUNCTION: xdg_environment_reset
# @DESCRIPTION:
# Clean up environment for clean builds.
xdg_environment_reset() {
# Prepare XDG base directories
export XDG_DATA_HOME="${HOME}/.local/share"
export XDG_CONFIG_HOME="${HOME}/.config"
export XDG_CACHE_HOME="${HOME}/.cache"
export XDG_RUNTIME_DIR="${T}/run"
mkdir -p "${XDG_DATA_HOME}" "${XDG_CONFIG_HOME}" "${XDG_CACHE_HOME}" \
"${XDG_RUNTIME_DIR}" || die
# This directory needs to be owned by the user, and chmod 0700
# https://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
chmod 0700 "${XDG_RUNTIME_DIR}" || die
unset DBUS_SESSION_BUS_ADDRESS
}
# @FUNCTION: xdg_desktop_database_update
# @DESCRIPTION:
# Updates the .desktop files database.
# Generates a list of mimetypes linked to applications that can handle them
xdg_desktop_database_update() {
has ${EAPI:-0} 7 || BROOT="${EROOT}"
local updater="${BROOT%/}${DESKTOP_DATABASE_UPDATE_BIN}"
if [[ ${EBUILD_PHASE} != post* ]] ; then
die "xdg_desktop_database_update must be used in pkg_post* phases."
fi
if [[ ! -x "${updater}" ]] ; then
debug-print "${updater} is not executable"
return
fi
ebegin "Updating .desktop files database"
"${updater}" -q "${EROOT}${DESKTOP_DATABASE_DIR}"
eend $?
}
# @FUNCTION: xdg_icon_savelist
# @DESCRIPTION:
# Find the icons that are about to be installed and save their location
# in the XDG_ECLASS_ICONS environment variable. This is only
# necessary for eclass implementations that call
# xdg_icon_cache_update conditionally.
# This function should be called from pkg_preinst.
xdg_icon_savelist() {
XDG_ECLASS_ICONS=()
while IFS= read -r -d '' f; do
XDG_ECLASS_ICONS+=( "${f}" )
done < <(cd "${D}" && find 'usr/share/icons' -type f -print0 2>/dev/null)
export XDG_ECLASS_ICONS
}
# @FUNCTION: xdg_icon_cache_update
# @DESCRIPTION:
# Updates Gtk+ icon cache files under /usr/share/icons.
# This function should be called from pkg_postinst and pkg_postrm.
xdg_icon_cache_update() {
has ${EAPI:-0} 7 || BROOT="${EROOT}"
local updater="${BROOT%/}${GTK_UPDATE_ICON_CACHE}"
if [[ ! -x "${updater}" ]] ; then
debug-print "${updater} is not executable"
return
fi
ebegin "Updating icons cache"
local retval=0
local fails=( )
for dir in "${EROOT%/}"/usr/share/icons/*
do
if [[ -f "${dir}/index.theme" ]] ; then
local rv=0
"${updater}" -qf "${dir}"
rv=$?
if [[ ! $rv -eq 0 ]] ; then
debug-print "Updating cache failed on ${dir}"
# Add to the list of failures
fails+=( "${dir}" )
retval=2
fi
elif [[ $(ls "${dir}") = "icon-theme.cache" ]]; then
# Clear stale cache files after theme uninstallation
rm "${dir}/icon-theme.cache"
fi
if [[ -z $(ls "${dir}") ]]; then
# Clear empty theme directories after theme uninstallation
rmdir "${dir}"
fi
done
eend ${retval}
for f in "${fails[@]}" ; do
eerror "Failed to update cache with icon $f"
done
}
# @FUNCTION: xdg_mimeinfo_database_update
# @DESCRIPTION:
# Update the mime database.
# Creates a general list of mime types from several sources
xdg_mimeinfo_database_update() {
has ${EAPI:-0} 7 || BROOT="${EROOT}"
local updater="${BROOT%/}${MIMEINFO_DATABASE_UPDATE_BIN}"
if [[ ${EBUILD_PHASE} != post* ]] ; then
die "xdg_mimeinfo_database_update must be used in pkg_post* phases."
fi
if [[ ! -x "${updater}" ]] ; then
debug-print "${updater} is not executable"
return
fi
ebegin "Updating shared mime info database"
"${updater}" "${BROOT%/}${MIMEINFO_DATABASE_DIR}"
eend $?
}
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