app-shells/bash-completion: Add a live ebuild

app-shells/bash-completion/bash-completion-9999.ebuild

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+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+BASHCOMP_P=bashcomp-2.0.2
+EGIT_REPO_URI="https://github.com/scop/bash-completion"
+inherit autotools git-r3 versionator
+
+DESCRIPTION="Programmable Completion for bash"
+HOMEPAGE="https://github.com/scop/bash-completion"
+SRC_URI="https://bitbucket.org/mgorny/bashcomp2/downloads/${BASHCOMP_P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS=""
+IUSE="test"
+
+RDEPEND=">=app-shells/bash-4.3_p30-r1
+	sys-apps/miscfiles
+	!app-eselect/eselect-bashcomp"
+DEPEND="app-arch/xz-utils
+	test? (
+		${RDEPEND}
+		app-misc/dtach
+		dev-util/dejagnu
+		dev-tcltk/tcllib
+	)"
+PDEPEND=">=app-shells/gentoo-bashcomp-20140911"
+
+# Remove unwanted completions.
+STRIP_COMPLETIONS=(
+	# Slackware package stuff, quite generic names cause collisions
+	# (e.g. with sys-apps/pacman)
+	explodepkg installpkg makepkg pkgtool removepkg upgradepkg
+
+	# Debian/Red Hat network stuff
+	ifdown ifup ifstatus
+
+	# Installed in app-editors/vim-core
+	xxd
+
+	# Now-dead symlinks to deprecated completions
+	hd ncal
+
+	# Installed by sys-apps/util-linux-2.28
+	mount umount mount.linux umount.linux
+)
+
+src_unpack() {
+	git-r3_src_unpack
+	default
+}
+
+src_prepare() {
+	eapply "${WORKDIR}/${BASHCOMP_P}/${PN}"-2.1_p*.patch
+	eapply_user
+	eautoreconf
+}
+
+src_test() {
+	# Tests need an interactive shell, #477066
+	# idea stolen from:
+	# http://pkgs.fedoraproject.org/cgit/rpms/bash-completion.git/tree/bash-completion.spec
+
+	# real-time output of the log ;-)
+	touch "${T}/dtach-test.log" || die
+	tail -f "${T}/dtach-test.log" &
+	local tail_pid=${!}
+
+	# override the default expect timeout and buffer size to avoid tests
+	# failing randomly due to cold cache, busy system or just more output
+	# than upstream anticipated (they run tests on pristine docker
+	# installs of binary distros)
+	nonfatal dtach -N "${T}/dtach.sock" \
+		bash -c 'emake check RUNTESTFLAGS="OPT_TIMEOUT=300 OPT_BUFFER_SIZE=1000000" \
+			&> "${T}"/dtach-test.log; echo ${?} > "${T}"/dtach-test.out'
+
+	kill "${tail_pid}"
+	[[ -f ${T}/dtach-test.out ]] || die "Unable to run tests"
+	[[ $(<"${T}"/dtach-test.out) == 0 ]] || die "Tests failed"
+}
+
+src_install() {
+	# work-around race conditions, bug #526996
+	mkdir -p "${ED}"/usr/share/bash-completion/{completions,helpers} || die
+
+	emake DESTDIR="${D}" profiledir="${EPREFIX}"/etc/bash/bashrc.d install
+
+	local file
+	for file in "${STRIP_COMPLETIONS[@]}"; do
+		rm "${ED}"/usr/share/bash-completion/completions/${file} || die
+	done
+	# remove deprecated completions (moved to other packages)
+	rm "${ED}"/usr/share/bash-completion/completions/_* || die
+
+	dodoc AUTHORS CHANGES CONTRIBUTING.md README.md
+
+	# install the eselect module
+	insinto /usr/share/eselect/modules
+	doins "${WORKDIR}/${BASHCOMP_P}/bashcomp.eselect"
+	doman "${WORKDIR}/${BASHCOMP_P}/bashcomp.eselect.5"
+}
+
+pkg_postinst() {
+	local v
+	for v in ${REPLACING_VERSIONS}; do
+		if ! version_is_at_least 2.1-r90 ${v}; then
+			ewarn "For bash-completion autoloader to work, all completions need to"
+			ewarn "be installed in /usr/share/bash-completion/completions. You may"
+			ewarn "need to rebuild packages that installed completions in the old"
+			ewarn "location. You can do this using:"
+			ewarn
+			ewarn "$ find ${EPREFIX}/usr/share/bash-completion -maxdepth 1 -type f '!' -name 'bash_completion' -exec emerge -1v {} +"
+			ewarn
+			ewarn "After the rebuild, you should remove the old setup symlinks:"
+			ewarn
+			ewarn "$ find ${EPREFIX}/etc/bash_completion.d -type l -delete"
+		fi
+	done
+
+	if has_version 'app-shells/zsh'; then
+		elog
+		elog "If you are interested in using the provided bash completion functions with"
+		elog "zsh, valuable tips on the effective use of bashcompinit are available:"
+		elog "  http://www.zsh.org/mla/workers/2003/msg00046.html"
+		elog
+	fi
+}