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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: vim-plugin.eclass
# @MAINTAINER:
# vim@gentoo.org
# @SUPPORTED_EAPIS: 6 7
# @BLURB: used for installing vim plugins
# @DESCRIPTION:
# 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.
case ${EAPI} in
6|7);;
*) die "EAPI ${EAPI:-0} unsupported (too old)";;
esac
inherit vim-doc
EXPORT_FUNCTIONS src_install pkg_postinst pkg_postrm
VIM_PLUGIN_VIM_VERSION="${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
https://dev.gentoo.org/~radhermit/vim/${P}.tar.bz2"
fi
SLOT="0"
# @FUNCTION: vim-plugin_src_install
# @DESCRIPTION:
# Overrides the default src_install phase. In order, this function:
# * fixes file permission across all files in ${S}.
# * installs help and documentation files.
# * installs all files in "${ED}"/usr/share/vim/vimfiles.
vim-plugin_src_install() {
has "${EAPI:-0}" 0 1 2 && ! use prefix && ED="${D}"
# Install non-vim-help-docs
einstalldocs
# Install remainder of plugin
insinto /usr/share/vim/vimfiles/
local d
for d in *; do
[[ -d "${d}" ]] || continue
doins -r "${d}"
done
}
# @FUNCTION: vim-plugin_pkg_postinst
# @DESCRIPTION:
# Overrides the pkg_postinst phase for this eclass.
# The following functions are called:
# * update_vim_helptags
# * update_vim_afterscripts
# * display_vim_plugin_help
vim-plugin_pkg_postinst() {
update_vim_helptags # from vim-doc
update_vim_afterscripts # see below
display_vim_plugin_help # see below
}
# @FUNCTION: vim-plugin_pkg_postrm
# @DESCRIPTION:
# Overrides the pkg_postrm phase for this eclass.
# This function calls the update_vim_helptags and update_vim_afterscripts
# functions and eventually removes a bunch of empty directories.
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 || \
die "rmdir failed"
}
# @FUNCTION: update_vim_afterscripts
# @DESCRIPTION:
# Creates 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' > "${d%.d}" || die
find "${d}" -name \*.vim -type f -maxdepth 1 -print0 | sort -z | \
xargs -0 cat >> "${d%.d}" || die "update_vim_afterscripts failed"
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}" || die
fi
done
}
# @FUNCTION: display_vim_plugin_help
# @DESCRIPTION:
# Displays 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, this functions displays 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
}
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