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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: udev.eclass
# @MAINTAINER:
# systemd@gentoo.org
# @SUPPORTED_EAPIS: 7 8
# @BLURB: Default eclass for determining udev directories.
# @DESCRIPTION:
# Default eclass for determining udev directories.
# @EXAMPLE:
#
# @CODE
# inherit udev
#
# # Example of the eclass usage:
# RDEPEND="virtual/udev"
# DEPEND="${RDEPEND}"
#
# src_configure() {
# econf --with-rulesdir="$(get_udevdir)"/rules.d
# }
#
# src_install() {
# default
# # udev_dorules contrib/99-foomatic
# # udev_newrules contrib/98-foomatic 99-foomatic
# }
#
# pkg_postinst() {
# udev_reload
# }
#
# pkg_postrm() {
# udev_reload
# }
# @CODE
if [[ -z ${_UDEV_ECLASS} ]]; then
_UDEV_ECLASS=1
case ${EAPI} in
7|8) ;;
*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
esac
inherit toolchain-funcs
BDEPEND="virtual/pkgconfig"
# @FUNCTION: _udev_get_udevdir
# @INTERNAL
# @DESCRIPTION:
# Get unprefixed udevdir.
_udev_get_udevdir() {
# https://github.com/pkgconf/pkgconf/issues/205
local -x PKG_CONFIG_FDO_SYSROOT_RULES=1
if $($(tc-getPKG_CONFIG) --exists udev); then
local udevdir="$($(tc-getPKG_CONFIG) --variable=udevdir udev)"
echo "${udevdir#${EPREFIX}}"
else
echo /lib/udev
fi
}
# @FUNCTION: udev_get_udevdir
# @DESCRIPTION:
# Use the short version $(get_udevdir) instead!
udev_get_udevdir() {
debug-print-function ${FUNCNAME} "$@"
eerror "This ebuild should be using the get_udevdir() function instead of the deprecated udev_get_udevdir()"
die "Deprecated function call: udev_get_udevdir(), please report to (overlay) maintainers."
}
# @FUNCTION: get_udevdir
# @DESCRIPTION:
# Output the path for the udev directory (not including ${D}).
# This function always succeeds, even if udev is not installed.
# The fallback value is set to /lib/udev
get_udevdir() {
debug-print-function ${FUNCNAME} "$@"
echo "$(_udev_get_udevdir)"
}
# @FUNCTION: udev_dorules
# @USAGE: <rule> [...]
# @DESCRIPTION:
# Install udev rule(s). Uses doins, thus it is fatal.
udev_dorules() {
debug-print-function ${FUNCNAME} "$@"
(
insopts -m 0644
insinto "$(_udev_get_udevdir)"/rules.d
doins "${@}"
)
}
# @FUNCTION: udev_newrules
# @USAGE: <oldname> <newname>
# @DESCRIPTION:
# Install udev rule with a new name. Uses newins, thus it is fatal.
udev_newrules() {
debug-print-function ${FUNCNAME} "$@"
(
insopts -m 0644
insinto "$(_udev_get_udevdir)"/rules.d
newins "${@}"
)
}
# @FUNCTION: udev_reload
# @DESCRIPTION:
# Run "udevadm control --reload" to refresh rules and databases.
# Should be called from pkg_postinst and pkg_postrm in packages which install
# udev rules or hwdb data.
udev_reload() {
if [[ -n ${ROOT} ]]; then
return 0
fi
if [[ -d ${ROOT}/run/udev ]]; then
ebegin "Running udev control --reload for reloading rules and databases"
udevadm control --reload
eend $?
fi
}
fi
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