--- /dev/null
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit readme.gentoo-r1
+
+DESCRIPTION="The Gentoo Development Guide"
+HOMEPAGE="https://devmanual.gentoo.org/"
+
+if [[ ${PV} == *9999 ]]; then
+ inherit git-r3
+ EGIT_REPO_URI="https://anongit.gentoo.org/git/proj/devmanual.git"
+else
+ SRC_URI="https://dev.gentoo.org/~ulm/distfiles/${P}.tar.xz"
+ S="${WORKDIR}/${PN}"
+ KEYWORDS="~amd64 ~arm ~hppa ~m68k ~mips ~s390 ~sh ~sparc ~x86 ~x64-macos"
+fi
+
+LICENSE="CC-BY-SA-4.0"
+SLOT="0"
+IUSE="+offline"
+
+BDEPEND="dev-libs/libxml2
+ dev-libs/libxslt
+ gnome-base/librsvg
+ media-fonts/open-sans"
+
+PATCHES=( "${FILESDIR}"/${PN}-eclasses.patch )
+
+src_compile() {
+ emake build OFFLINE=$(usex offline 1 0)
+ use offline || emake documents.js
+}
+
+src_install() {
+ # clean out XML/XSL before installing
+ find . \( \
+ -iname '*.xml' -o \
+ -iname '*.dtd' -o \
+ -iname '*.xsl' -o \
+ -iname '*.svg' \) -delete || die
+ rm -r bin xsl .git* LICENSE Makefile README.md || die
+
+ local HTML_DOCS=( . )
+ einstalldocs
+
+ einfo "Creating symlink from ${PF} to ${PN} for preserving bookmarks"
+ dosym ${PF} /usr/share/doc/${PN}
+
+ local DOC_CONTENTS="In order to browse the Gentoo Development Guide in
+ offline mode, point your browser to the following url:
+ file://${EPREFIX}/usr/share/doc/${PN}/html/index.html"
+ readme.gentoo_create_doc
+}
+
+pkg_postinst() {
+ readme.gentoo_print_elog
+ if ! has_version app-doc/eclass-manpages; then
+ elog "The offline version of the devmanual does not include the"
+ elog "documentation for the eclasses. If you need it, then emerge"
+ elog "the following package:"
+ elog
+ elog "app-doc/eclass-manpages"
+ fi
+}