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# Copyright 1999-2004 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/vim-doc.eclass,v 1.9 2005/07/06 20:23:20 agriffis Exp $
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#
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# This eclass is used by vim.eclass and vim-plugin.eclass to update
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# the documentation tags. This is necessary since vim doesn't look in
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# /usr/share/vim/vimfiles/doc for documentation; it only uses the
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# versioned directory, for example /usr/share/vim/vim62/doc
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#
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# We depend on vim being installed, which is satisfied by either the
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# DEPEND in vim-plugin or by whatever version of vim is being
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# installed by the eclass.
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update_vim_helptags() {
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local vimfiles vim d s
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# This is where vim plugins are installed
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vimfiles=/usr/share/vim/vimfiles
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if [[ $PN != vim-core ]]; then
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# Find a suitable vim binary for updating tags :helptags
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if use ppc-macos ; then
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vim=$(which gvim 2>/dev/null )
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else
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vim=$(which vim 2>/dev/null)
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[[ -z "$vim" ]] && vim=$(which gvim 2>/dev/null)
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[[ -z "$vim" ]] && vim=$(which kvim 2>/dev/null)
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fi
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if [[ -z "$vim" ]]; then
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ewarn "No suitable vim binary to rebuild documentation tags"
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fi
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fi
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# Make vim not try to connect to X. See :help gui-x11-start
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# in vim for how this evil trickery works.
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if ! [[ -z "${vim}" ]] ; then
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ln -s "${vim}" "${T}/tagvim"
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vim="${T}/tagvim"
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fi
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# Install the documentation symlinks into the versioned vim
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# directory and run :helptags
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for d in /usr/share/vim/vim[0-9]*; do
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[[ -d "$d/doc" ]] || continue # catch a failed glob
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# Remove links, and possibly remove stale dirs
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find $d/doc -name \*.txt -type l | while read s; do
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[[ $(readlink "$s") = $vimfiles/* ]] && rm -f "$s"
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done
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if [[ -f "$d/doc/tags" && $(find "$d" | wc -l | tr -d ' ') = 3 ]]; then
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# /usr/share/vim/vim61
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# /usr/share/vim/vim61/doc
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# /usr/share/vim/vim61/doc/tags
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einfo "Removing $d"
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rm -r "$d"
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continue
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fi
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# Re-create / install new links
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if [[ -d $vimfiles/doc ]]; then
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ln -s $vimfiles/doc/*.txt $d/doc 2>/dev/null
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fi
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# Update tags; need a vim binary for this
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if [[ -n "$vim" ]]; then
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einfo "Updating documentation tags in $d"
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DISPLAY= $vim -u NONE -U NONE -T xterm -X -n -f \
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'+set nobackup nomore' \
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"+helptags $d/doc" \
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'+qa!' </dev/null &>/dev/null
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rm "${vim}"
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fi
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done
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}
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