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+# Copyright 1999-2013 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+#
+# This eclass simplifies installation of app-vim plugins into
+# /usr/share/vim/vimfiles. This is a version-independent directory
+# which is read automatically by vim. The only exception is
+# documentation, for which we make a special case via vim-doc.eclass
+
+inherit vim-doc
+EXPORT_FUNCTIONS src_install pkg_postinst pkg_postrm
+
+VIM_PLUGIN_VIM_VERSION="${VIM_PLUGIN_VIM_VERSION:-7.3}"
+
+DEPEND="|| ( >=app-editors/vim-${VIM_PLUGIN_VIM_VERSION}
+ >=app-editors/gvim-${VIM_PLUGIN_VIM_VERSION} )"
+RDEPEND="${DEPEND}"
+if [[ ${PV} != 9999* ]] ; then
+ SRC_URI="mirror://gentoo/${P}.tar.bz2
+ http://dev.gentoo.org/~radhermit/vim/${P}.tar.bz2"
+fi
+SLOT="0"
+
+vim-plugin_src_install() {
+ has "${EAPI:-0}" 0 1 2 && ! use prefix && ED="${D}"
+ local f
+
+ if use !prefix && [[ ${EUID} -eq 0 ]] ; then
+ ebegin "Fixing file permissions"
+ # Make sure perms are good
+ chmod -R a+rX "${S}" || die "chmod failed"
+ find "${S}" -user 'portage' -exec chown root '{}' \; || die "chown failed"
+ if use userland_BSD || [[ ${CHOST} == *-darwin* ]] ; then
+ find "${S}" -group 'portage' -exec chgrp wheel '{}' \; || die "chgrp failed"
+ else
+ find "${S}" -group 'portage' -exec chgrp root '{}' \; || die "chgrp failed"
+ fi
+ eend $?
+ fi
+
+ # Remove unwanted files that may exist
+ rm -rf .[^.] .??* Makefile*
+
+ # Install non-vim-help-docs
+ cd "${S}"
+ for f in *; do
+ [[ -f "${f}" ]] || continue
+ if [[ "${f}" = *.html ]]; then
+ dohtml "${f}"
+ else
+ dodoc "${f}"
+ fi
+ rm -f "${f}"
+ done
+
+ # Install remainder of plugin
+ cd "${WORKDIR}"
+ dodir /usr/share/vim
+ mv "${S}" "${ED}"/usr/share/vim/vimfiles
+
+ # Fix remaining bad permissions
+ chmod -R -x+X "${ED}"/usr/share/vim/vimfiles/ || die "chmod failed"
+}
+
+vim-plugin_pkg_postinst() {
+ update_vim_helptags # from vim-doc
+ update_vim_afterscripts # see below
+ display_vim_plugin_help # see below
+}
+
+vim-plugin_pkg_postrm() {
+ has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
+ update_vim_helptags # from vim-doc
+ update_vim_afterscripts # see below
+
+ # Remove empty dirs; this allows
+ # /usr/share/vim to be removed if vim-core is unmerged
+ find "${EPREFIX}/usr/share/vim/vimfiles" -depth -type d -exec rmdir {} \; 2>/dev/null
+}
+
+# update_vim_afterscripts: create scripts in
+# /usr/share/vim/vimfiles/after/* comprised of the snippets in
+# /usr/share/vim/vimfiles/after/*/*.d
+update_vim_afterscripts() {
+ has "${EAPI:-0}" 0 1 2 && ! use prefix && EROOT="${ROOT}"
+ has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
+ local d f afterdir="${EROOT}"/usr/share/vim/vimfiles/after
+
+ # Nothing to do if the dir isn't there
+ [ -d "${afterdir}" ] || return 0
+
+ einfo "Updating scripts in ${EPREFIX}/usr/share/vim/vimfiles/after"
+ find "${afterdir}" -type d -name \*.vim.d | \
+ while read d; do
+ echo '" Generated by update_vim_afterscripts' > "${d%.d}"
+ find "${d}" -name \*.vim -type f -maxdepth 1 -print0 | \
+ sort -z | xargs -0 cat >> "${d%.d}"
+ done
+
+ einfo "Removing dead scripts in ${EPREFIX}/usr/share/vim/vimfiles/after"
+ find "${afterdir}" -type f -name \*.vim | \
+ while read f; do
+ [[ "$(head -n 1 ${f})" == '" Generated by update_vim_afterscripts' ]] \
+ || continue
+ # This is a generated file, but might be abandoned. Check
+ # if there's no corresponding .d directory, or if the
+ # file's effectively empty
+ if [[ ! -d "${f}.d" || -z "$(grep -v '^"' "${f}")" ]]; then
+ rm -f "${f}"
+ fi
+ done
+}
+
+# Display a message with the plugin's help file if one is available. Uses the
+# VIM_PLUGIN_HELPFILES env var. If multiple help files are available, they
+# should be separated by spaces. If no help files are available, but the env
+# var VIM_PLUGIN_HELPTEXT is set, that is displayed instead. Finally, if we
+# have nothing else, display a link to VIM_PLUGIN_HELPURI. An extra message
+# regarding enabling filetype plugins is displayed if VIM_PLUGIN_MESSAGES
+# includes the word "filetype".
+display_vim_plugin_help() {
+ local h
+
+ if ! has_version ${CATEGORY}/${PN} ; then
+ if [[ -n "${VIM_PLUGIN_HELPFILES}" ]] ; then
+ elog " "
+ elog "This plugin provides documentation via vim's help system. To"
+ elog "view it, use:"
+ for h in ${VIM_PLUGIN_HELPFILES} ; do
+ elog " :help ${h}"
+ done
+ elog " "
+
+ elif [[ -n "${VIM_PLUGIN_HELPTEXT}" ]] ; then
+ elog " "
+ while read h ; do
+ elog "$h"
+ done <<<"${VIM_PLUGIN_HELPTEXT}"
+ elog " "
+
+ elif [[ -n "${VIM_PLUGIN_HELPURI}" ]] ; then
+ elog " "
+ elog "Documentation for this plugin is available online at:"
+ elog " ${VIM_PLUGIN_HELPURI}"
+ elog " "
+ fi
+
+ if has "filetype" "${VIM_PLUGIN_MESSAGES}" ; then
+ elog "This plugin makes use of filetype settings. To enable these,"
+ elog "add lines like:"
+ elog " filetype plugin on"
+ elog " filetype indent on"
+ elog "to your ~/.vimrc file."
+ elog " "
+ fi
+ fi
+}