diff --git a/net-im/Manifest b/net-im/Manifest
new file mode 100644
index 0000000..70964f8
--- /dev/null
+++ b/net-im/Manifest
@@ -0,0 +1 @@
+EBUILD riot-web-9999.ebuild 1762 BLAKE2B 01eaf55d44ffb5c327cbdb406445373a019949a8887f5e9f6b75bcbef3755bbd0c299c335d85ffaa108a808291f9e45c6ec7e25e01c0836ad28e56c9150bf238 SHA512 26779f6e3d7fcb1f996af08e75d535da1f9f7db0168d8c0bfd19b693331e4e39e20466d952bbdb5c29fbabdbaa66eac1fc173b9bf403bbafdc1891209692fa41
diff --git a/net-im/riot-web-9999.ebuild b/net-im/riot-web-9999.ebuild
new file mode 100644
index 0000000..74c52f9
--- /dev/null
+++ b/net-im/riot-web-9999.ebuild
@@ -0,0 +1,82 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+DESCRIPTION="A glossy Matrix collaboration client for the web"
+HOMEPAGE="https://riot.im"
+
+inherit eutils gnome2-utils
+
+if [[ ${PV} == "9999" ]]; then
+	echo PV=9999
+	inherit git-r3
+
+	SRC_URI=""
+	EGIT_REPO_URI="https://github.com/vector-im/riot-web.git"
+	EGIT_BRANCH="develop"
+else
+	SRC_URI="https://github.com/vector-im/riot-web/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64"
+fi
+
+LICENSE="Apache-2.0"
+SLOT="0"
+IUSE="+emoji"
+REQUIRED_USE=""
+
+DEPEND="sys-devel/binutils:*
+	net-libs/nodejs
+	sys-apps/yarn
+	x11-libs/libXScrnSaver
+	net-print/cups
+	dev-libs/nss
+	gnome-base/gconf
+	emoji? ( >=media-fonts/noto-emoji-20180823 )"
+RDEPEND="${DEPEND}"
+
+QA_PREBUILT="
+	opt/Riot/libffmpeg.so
+	opt/Riot/libnode.so
+	opt/Riot/riot-web"
+
+DESTINATION="/" # We build and unpack a Debian installer, which already has everything in the proper directories {usr,opt}, so we just set the destination to "/"
+
+src_prepare() {
+	default
+
+	if [[ ${PV} == "9999" ]]; then
+		"${S}"/scripts/fetch-develop.deps.sh
+	fi
+
+	yarn install || die "Yarn module installation failed"
+
+	cp "${S}"/config.sample.json "${S}"/config.json
+}
+
+src_compile() {
+	yarn run build || die "Build failed"
+
+	"${S}"/node_modules/.bin/electron-builder --linux --x64 || die "Bundling failed"
+}
+
+src_install() {
+	ar x "${S}"/electron_app/dist/riot-web*.deb
+	tar xvf data.tar.xz
+
+	mv usr/share/doc/${PN} usr/share/doc/${PF}
+	gunzip usr/share/doc/${PF}/changelog.gz
+	insinto ${DESTINATION}
+	doins -r usr
+	doins -r opt
+	fperms +x /opt/Riot/${PN}
+	dosym ${DESTINATION}/opt/Riot/${PN} ${DESTINATION}/usr/bin/${PN}
+}
+
+pkg_postinst() {
+	gnome2_icon_cache_update
+}
+
+pkg_postrm() {
+	gnome2_icon_cache_update
+}