reinit the tree, so we can have metadata

1 files changed, 119 insertions, 0 deletions

diff --git a/eclass/udev.eclass b/eclass/udev.eclass
new file mode 100644
index 000000000000..5e5df0738805
--- /dev/null
+++ b/eclass/udev.eclass
@@ -0,0 +1,119 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: udev.eclass
+# @MAINTAINER:
+# udev-bugs@gentoo.org
+# @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
+# }
+# @CODE
+
+if [[ -z ${_UDEV_ECLASS} ]]; then
+_UDEV_ECLASS=1
+
+inherit toolchain-funcs
+
+case ${EAPI:-0} in
+	0|1|2|3|4|5|6) ;;
+	*) die "${ECLASS}.eclass API in EAPI ${EAPI} not yet established."
+esac
+
+RDEPEND=""
+DEPEND="virtual/pkgconfig"
+
+# @FUNCTION: _udev_get_udevdir
+# @INTERNAL
+# @DESCRIPTION:
+# Get unprefixed udevdir.
+_udev_get_udevdir() {
+	if $($(tc-getPKG_CONFIG) --exists udev); then
+		echo "$($(tc-getPKG_CONFIG) --variable=udevdir udev)"
+	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: rules [...]
+# @DESCRIPTION:
+# Install udev rule(s). Uses doins, thus it is fatal in EAPI 4
+# and non-fatal in earlier EAPIs.
+udev_dorules() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	(
+		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
+# in EAPI 4 and non-fatal in earlier EAPIs.
+udev_newrules() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	(
+		insinto "$(_udev_get_udevdir)"/rules.d
+		newins "${@}"
+	)
+}
+
+# @FUNCTION: udev_reload
+# @DESCRIPTION:
+# Run udevadm control --reload to refresh rules and databases
+udev_reload() {
+	if [[ ${ROOT} != "" ]] && [[ ${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