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diff --git a/eclass/bash-completion-r1.eclass b/eclass/bash-completion-r1.eclass
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+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+# @ECLASS: bash-completion-r1.eclass
+# @MAINTAINER:
+# mgorny@gentoo.org
+# @BLURB: A few quick functions to install bash-completion files
+# @EXAMPLE:
+#
+# @CODE
+# EAPI=5
+#
+# src_configure() {
+# 	econf \
+#		--with-bash-completion-dir="$(get_bashcompdir)"
+# }
+#
+# src_install() {
+# 	default
+#
+# 	newbashcomp contrib/${PN}.bash-completion ${PN}
+# }
+# @CODE
+
+inherit toolchain-funcs
+
+case ${EAPI:-0} in
+	0|1|2|3|4|5) ;;
+	*) die "EAPI ${EAPI} unsupported (yet)."
+esac
+
+# @FUNCTION: _bash-completion-r1_get_bashdir
+# @INTERNAL
+# @DESCRIPTION:
+# First argument is name of the string in bash-completion.pc
+# Second argument is the fallback directory if the string is not found
+# @EXAMPLE:
+# _bash-completion-r1_get_bashdir completionsdir /usr/share/bash-completion
+_bash-completion-r1_get_bashdir() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	if $(tc-getPKG_CONFIG) --exists bash-completion &>/dev/null; then
+		local path="$($(tc-getPKG_CONFIG) --variable=$1 bash-completion)"
+		# we need to return unprefixed, so strip from what pkg-config returns
+		# to us, bug #477692
+		echo "${path#${EPREFIX}}"
+	else
+		echo $2
+	fi
+}
+
+# @FUNCTION: _bash-completion-r1_get_bashcompdir
+# @INTERNAL
+# @DESCRIPTION:
+# Get unprefixed bash-completion completions directory.
+_bash-completion-r1_get_bashcompdir() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	_bash-completion-r1_get_bashdir completionsdir /usr/share/bash-completion/completions
+}
+
+# @FUNCTION: _bash-completion-r1_get_helpersdir
+# @INTERNAL
+# @DESCRIPTION:
+# Get unprefixed bash-completion helpers directory.
+_bash-completion-r1_get_bashhelpersdir() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	_bash-completion-r1_get_bashdir helpersdir /usr/share/bash-completion/helpers
+}
+
+# @FUNCTION: get_bashcompdir
+# @DESCRIPTION:
+# Get the bash-completion completions directory.
+get_bashcompdir() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	echo "${EPREFIX}$(_bash-completion-r1_get_bashcompdir)"
+}
+
+# @FUNCTION: get_bashhelpersdir
+# @INTERNAL
+# @DESCRIPTION:
+# Get the bash-completion helpers directory.
+get_bashhelpersdir() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	echo "${EPREFIX}$(_bash-completion-r1_get_bashhelpersdir)"
+}
+
+# @FUNCTION: dobashcomp
+# @USAGE: file [...]
+# @DESCRIPTION:
+# Install bash-completion files passed as args. Has EAPI-dependant failure
+# behavior (like doins).
+dobashcomp() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	(
+		insinto "$(_bash-completion-r1_get_bashcompdir)"
+		doins "${@}"
+	)
+}
+
+# @FUNCTION: newbashcomp
+# @USAGE: file newname
+# @DESCRIPTION:
+# Install bash-completion file under a new name. Has EAPI-dependant failure
+# behavior (like newins).
+newbashcomp() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	(
+		insinto "$(_bash-completion-r1_get_bashcompdir)"
+		newins "${@}"
+	)
+}
+
+# @FUNCTION: bashcomp_alias
+# @USAGE: <basename> <alias>...
+# @DESCRIPTION:
+# Alias <basename> completion to one or more commands (<alias>es).
+bashcomp_alias() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	[[ ${#} -lt 2 ]] && die "Usage: ${FUNCNAME} <basename> <alias>..."
+	local base=${1} f
+	shift
+
+	for f; do
+		dosym "${base}" "$(_bash-completion-r1_get_bashcompdir)/${f}"
+	done
+}