# Copyright 1999-2022 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 # @ECLASS: udev.eclass # @MAINTAINER: # systemd@gentoo.org # @SUPPORTED_EAPIS: 5 6 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 case ${EAPI} in 5|6|7|8) ;; *) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;; esac if [[ -z ${_UDEV_ECLASS} ]]; then _UDEV_ECLASS=1 inherit toolchain-funcs if [[ ${EAPI} == [56] ]]; then DEPEND="virtual/pkgconfig" else BDEPEND="virtual/pkgconfig" fi # @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