sys-devel/clang-common: Add a live ebuild for 8.* branch

Signed-off-by: Michał Górny <mgorny@gentoo.org>

sys-devel/clang-common/clang-common-8.0.9999.ebuild

@@ -0,0 +1,33 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit bash-completion-r1 git-r3
+
+DESCRIPTION="Common files shared between multiple slots of clang"
+HOMEPAGE="https://llvm.org/"
+SRC_URI=""
+EGIT_REPO_URI="https://git.llvm.org/git/clang.git
+	https://github.com/llvm-mirror/clang.git"
+EGIT_BRANCH="release_80"
+
+LICENSE="UoI-NCSA"
+SLOT="0"
+KEYWORDS=""
+IUSE=""
+
+PDEPEND="sys-devel/clang:*"
+
+src_unpack() {
+	git-r3_fetch
+	git-r3_checkout '' '' '' utils/bash-autocomplete.sh
+}
+
+src_configure() { :; }
+src_compile() { :; }
+src_test() { :; }
+
+src_install() {
+	newbashcomp utils/bash-autocomplete.sh clang
+}