# Distributed under the terms of the GNU General Public License v2

EAPI=5
VIM_VERSION="7.4"
inherit eutils vim-doc flag-o-matic versionator bash-completion-r1 prefix

if [[ ${PV} == 9999* ]] ; then
     inherit mercurial
     EHG_REPO_URI="https://vim.googlecode.com/hg/"
     EHG_PROJECT="vim"
else
     VIM_ORG_PATCH="vim-${PV}.patch.xz"
     SRC_URI="ftp://ftp.vim.org/pub/vim/unix/vim-${VIM_VERSION}.tar.bz2
          http://dev.gentoo.org/~radhermit/vim/${VIM_ORG_PATCH}
          http://dev.gentoo.org/~radhermit/vim/vim-${PV}-gentoo-patches.tar.bz2"
     KEYWORDS="*"
fi

DESCRIPTION="vim and gvim shared files"
HOMEPAGE="http://www.vim.org/"

SLOT="0"
LICENSE="vim"
IUSE="nls acl minimal"

DEPEND="sys-devel/autoconf"
PDEPEND="!minimal? ( app-vim/gentoo-syntax )"

S=${WORKDIR}/vim${VIM_VERSION/.}

pkg_setup() {
     # people with broken alphabets run into trouble. bug 82186.
     unset LANG LC_ALL
     export LC_COLLATE="C"

     # Gnome sandbox silliness. bug #114475.
     mkdir -p "${T}"/home
     export HOME="${T}"/home
}

src_prepare() {
     if [[ ${PV} != 9999* ]] ; then
          if [[ -f "${WORKDIR}"/${VIM_ORG_PATCH%.xz} ]] ; then
               # Apply any patches available from vim.org for this version
               epatch "${WORKDIR}"/${VIM_ORG_PATCH%.xz}
          fi

          if [[ -d "${WORKDIR}"/patches/ ]]; then
               # Gentoo patches to fix runtime issues, cross-compile errors, etc
               EPATCH_SUFFIX="patch" EPATCH_FORCE="yes" \
                    epatch "${WORKDIR}"/patches/
          fi
     fi

     # Fixup a script to use awk instead of nawk
     sed -i '1s|.*|#!'"${EPREFIX}"'/usr/bin/awk -f|' "${S}"/runtime/tools/mve.awk \
          || die "mve.awk sed failed"

     # Read vimrc and gvimrc from /etc/vim
     echo '#define SYS_VIMRC_FILE "'${EPREFIX}'/etc/vim/vimrc"' >> "${S}"/src/feature.h
     echo '#define SYS_GVIMRC_FILE "'${EPREFIX}'/etc/vim/gvimrc"' >> "${S}"/src/feature.h

     # Use exuberant ctags which installs as /usr/bin/exuberant-ctags.
     # Hopefully this pattern won't break for a while at least.
     # This fixes bug 29398 (27 Sep 2003 agriffis)
     sed -i 's/\<ctags\("\| [-*.]\)/exuberant-&/g' \
          "${S}"/runtime/doc/syntax.txt \
          "${S}"/runtime/doc/tagsrch.txt \
          "${S}"/runtime/doc/usr_29.txt \
          "${S}"/runtime/menu.vim \
          "${S}"/src/configure.in || die 'sed failed'

     # Don't be fooled by /usr/include/libc.h.  When found, vim thinks
     # this is NeXT, but it's actually just a file in dev-libs/9libs
     # This fixes bug 43885 (20 Mar 2004 agriffis)
     sed -i 's/ libc\.h / /' "${S}"/src/configure.in || die 'sed failed'

     # gcc on sparc32 has this, uhm, interesting problem with detecting EOF
     # correctly. To avoid some really entertaining error messages about stuff
     # which isn't even in the source file being invalid, we'll do some trickery
     # to make the error never occur. bug 66162 (02 October 2004 ciaranm)
     find "${S}" -name '*.c' | while read c ; do echo >> "$c" ; done

     # Try to avoid sandbox problems. Bug #114475.
     if [[ -d "${S}"/src/po ]] ; then
          sed -i -e \
               '/-S check.vim/s,..VIM.,ln -s $(VIM) testvim \; ./testvim -X,' \
               "${S}"/src/po/Makefile
     fi

     if version_is_at_least 7.3.122 ; then
          cp "${S}"/src/config.mk.dist "${S}"/src/auto/config.mk
     fi

     # Bug #378107 - Build properly with >=perl-core/ExtUtils-ParseXS-3.20.0
     if version_is_at_least 7.3 ; then
          sed -i "s:\\\$(PERLLIB)/ExtUtils/xsubpp:${EPREFIX}/usr/bin/xsubpp:"     \
               "${S}"/src/Makefile || die 'sed for ExtUtils-ParseXS failed'
     fi

     epatch_user
}

src_configure() {
     local myconf

     # Fix bug 37354: Disallow -funroll-all-loops on amd64
     # Bug 57859 suggests that we want to do this for all archs
     filter-flags -funroll-all-loops

     # Fix bug 76331: -O3 causes problems, use -O2 instead. We'll do this for
     # everyone since previous flag filtering bugs have turned out to affect
     # multiple archs...
     replace-flags -O3 -O2

     # Fix bug 18245: Prevent "make" from the following chain:
     # (1) Notice configure.in is newer than auto/configure
     # (2) Rebuild auto/configure
     # (3) Notice auto/configure is newer than auto/config.mk
     # (4) Run ./configure (with wrong args) to remake auto/config.mk
     sed -i 's# auto/config\.mk:#:#' src/Makefile || die "Makefile sed failed"
     rm -f src/auto/configure
     emake -j1 -C src autoconf

     # This should fix a sandbox violation (see bug 24447). The hvc
     # things are for ppc64, see bug 86433.
     for file in /dev/pty/s* /dev/console /dev/hvc/* /dev/hvc* ; do
          [[ -e ${file} ]] && addwrite $file
     done

     # Let Portage do the stripping. Some people like that.
     export ac_cv_prog_STRIP="$(type -P true ) faking strip"

     # Keep Gentoo Prefix env contained within the EPREFIX
     use prefix && myconf+=" --without-local-dir"

     econf \
          --with-modified-by=Gentoo-${PVR} \
          --enable-gui=no \
          --without-x \
          --disable-darwin \
          --disable-perlinterp \
          --disable-pythoninterp \
          --disable-rubyinterp \
          --disable-gpm \
          --disable-selinux \
          $(use_enable nls) \
          $(use_enable acl) \
          ${myconf}
}

src_compile() {
     # The following allows emake to be used
     emake -j1 -C src auto/osdef.h objects

     emake tools
}

src_test() { :; }

src_install() {
     local vimfiles=/usr/share/vim/vim${VIM_VERSION/.}

     dodir /usr/{bin,share/{man/man1,vim}}
     cd src || die "cd src failed"
     emake \
          installruntime \
          installmanlinks \
          installmacros \
          installtutor \
          installtutorbin \
          installtools \
          install-languages \
          install-icons \
          DESTDIR="${D}" \
          BINDIR="${EPREFIX}"/usr/bin \
          MANDIR="${EPREFIX}"/usr/share/man \
          DATADIR="${EPREFIX}"/usr/share

     keepdir ${vimfiles}/keymap

     # default vimrc is installed by vim-core since it applies to
     # both vim and gvim
     insinto /etc/vim/
     newins "${FILESDIR}"/vimrc-funtoo vimrc
     eprefixify "${ED}"/etc/vim/vimrc

     if use minimal ; then
          # To save space, install only a subset of the files.
          # Helps minimalize the livecd, bug 65144.
          eshopts_push -s extglob

          rm -fr "${ED}${vimfiles}"/{compiler,doc,ftplugin,indent}
          rm -fr "${ED}${vimfiles}"/{macros,print,tools,tutor}
          rm "${ED}"/usr/bin/vimtutor

          local keep_colors="default"
          ignore=$(rm -fr "${ED}${vimfiles}"/colors/!(${keep_colors}).vim )

          local keep_syntax="conf|crontab|fstab|inittab|resolv|sshdconfig"
          # tinkering with the next line might make bad things happen ...
          keep_syntax="${keep_syntax}|syntax|nosyntax|synload"
          ignore=$(rm -fr "${ED}${vimfiles}"/syntax/!(${keep_syntax}).vim )

          eshopts_pop
     fi

     # These files might have slight security issues, so we won't
     # install them. See bug #77841. We don't mind if these don't
     # exist.
     rm "${ED}${vimfiles}"/tools/{vimspell.sh,tcltags} 2>/dev/null

     newbashcomp "${FILESDIR}"/xxd-completion xxd

     # We shouldn't be installing the ex or view man page symlinks, as they
     # are managed by eselect-vi
     rm -f "${ED}"/usr/share/man/man1/{ex,view}.1
}

pkg_postinst() {
     # Update documentation tags (from vim-doc.eclass)
     update_vim_helptags
}

pkg_postrm() {
     # Update documentation tags (from vim-doc.eclass)
     update_vim_helptags
}