app-shells/fish: Attempt to load system-wide variables (bug #545830).

Use system pcre2 lib instead of bundled one.

Package-Manager: Portage-2.3.3, Repoman-2.3.1

app-shells/fish/files/profile-env.fish

@@ -0,0 +1,15 @@
+# since fish supports export via upstream provided function
+# we can source directly, only ommiting $PATH and comments.
+grep -Ev "^(#|export (PATH|ROOTPATH)=)" /etc/profile.env | source
+
+# strip unneded stuff from bash export lines
+# apply paths and cleanup
+if [ "$EUID" = "0" ] ; or [ "$USER" = "root" ]
+	set _rootpath (grep -o " ROOTPATH='.*'" /etc/profile.env | sed "s@.*'\(.*\)'@\1@;s@:@\n@g")
+	set -xg PATH /usr/local/sbin /usr/local/bin /usr/sbin /usr/bin /sbin /bin $_rootpath
+	set -e _rootpath
+else
+	set _userpath (grep -o " PATH='.*'" /etc/profile.env | sed "s@.*'\(.*\)'@\1@;s@:@\n@g")
+	set -xg PATH /usr/local/bin /usr/bin /bin $_userpath
+	set -e _userpath
+end

app-shells/fish/fish-2.4.0-r1.ebuild

@@ -0,0 +1,76 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+PYTHON_COMPAT=( python{2_7,3_3,3_4,3_5} )
+
+DESCRIPTION="fish is the Friendly Interactive SHell"
+HOMEPAGE="http://fishshell.com/"
+SRC_URI="http://fishshell.com/files/${PV}/${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos ~x86-solaris"
+IUSE="X"
+
+RDEPEND="
+	>=dev-libs/libpcre2-10.21[pcre32]
+	sys-libs/ncurses:0=
+"
+DEPEND="
+	${RDEPEND}
+	sys-devel/bc
+	sys-devel/gettext
+"
+
+src_configure() {
+	# Set things up for fish to be a default shell.
+	# It has to be in /bin in case /usr is unavailable.
+	# Also, all of its utilities have to be in /bin.
+	econf \
+		docdir="${EPREFIX}"/usr/share/doc/${PF} \
+		--bindir="${EPREFIX}"/bin \
+		--without-included-pcre2
+}
+
+src_install() {
+	default
+
+	insinto /usr/share/fish/vendor_conf.d
+	newins "${FILESDIR}/profile-env.fish" 00-profile-env.fish
+}
+
+src_test() {
+	if has_version ~${CATEGORY}/${P} ; then
+		emake test
+	else
+		ewarn "The test suite only works when the package is already installed"
+	fi
+}
+
+pkg_postinst() {
+	elog "fish is now installed on your system."
+	elog "To run fish, type 'fish' in your terminal."
+	elog
+	elog "To use fish as your login shell:"
+	elog "* add the line '${EPREFIX}/bin/${PN}'"
+	elog "* to the file '${EPREFIX}/etc/shells'."
+	elog "* use the command 'chsh -s ${EPREFIX}/bin/${PN}'."
+	elog
+	elog "To set your colors, run 'fish_config'"
+	elog "To scan your man pages for completions, run 'fish_update_completions'"
+	elog "To autocomplete command suggestions press Ctrl + F or right arrow key."
+	elog
+	elog "Please add a \"BROWSER\" variable to ${PN}'s environment pointing to the"
+	elog "browser of your choice to get acces to ${PN}'s help system:"
+	elog "  BROWSER=\"/usr/bin/firefox\""
+	elog
+	elog "In order to get lzma and xz support for man-page completion please"
+	elog "emerge one of the following packages:"
+	elog "  dev-python/backports-lzma"
+	elog "  >=dev-lang/python-3.3"
+	elog
+	elog "Have fun!"
+}