bintron-r1.eclass: a new take on installing electron

Signed-off-by: Alfred Wingate <parona@protonmail.com>

eclass/bintron-r1.eclass

@@ -0,0 +1,162 @@
+# Copyright 2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: bintron-r1.eclass
+# @MAINTAINER:
+# src_prepare group
+# @AUTHOR:
+# Alfred Wingate <parona@protonmail.com>
+# @SUPPORTED_EAPIS: 8
+# @PROVIDES: chromium-2 xdg
+# @BLURB: Common configuration eclass for binary packages built with Electron
+# @DESCRIPTION:
+# This eclass is used in Electron packages ebuilds
+
+case ${EAPI} in
+	8) ;;
+	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
+esac
+
+if [[ ! ${_BINTRON_R1_ECLASS} ]]; then
+_BINTRON_R1_ECLASS=1
+
+inherit chromium-2 xdg
+
+IUSE="system-ffmpeg"
+
+# musl support?
+RDEPEND="
+	app-accessibility/at-spi2-core:2
+	dev-libs/expat
+	dev-libs/glib:2
+	dev-libs/nspr
+	dev-libs/nss
+	media-libs/alsa-lib
+	media-libs/mesa
+	net-print/cups
+	sys-apps/dbus
+	sys-libs/glibc
+	x11-libs/cairo
+	x11-libs/gtk+:3
+	x11-libs/libX11
+	x11-libs/libXcomposite
+	x11-libs/libXdamage
+	x11-libs/libXext
+	x11-libs/libXfixes
+	x11-libs/libXrandr
+	x11-libs/libdrm
+	x11-libs/libxcb
+	x11-libs/libxkbcommon
+	x11-libs/pango
+	system-ffmpeg? ( >=media-video/ffmpeg-4.3[chromium] )
+"
+BDEPEND="
+	app-alternatives/gzip
+	dev-util/patchelf
+"
+IDEPEND="
+	sys-apps/file
+	sys-apps/findutils
+"
+
+# @VARIABLE: QA_PREBUILT
+# @INTERNAL
+# @DESCRIPTION:
+# QA variable
+
+# @VARIABLE: QA_PRESTRIPPED
+# @INTERNAL
+# @DESCRIPTION:
+# QA variable
+
+# The package will be already compiled,
+# also most likely the package will be pre-stripped too.
+QA_PREBUILT='*'
+QA_PRESTRIPPED='*'
+
+# @ECLASS_VARIABLE: BINTRON_HOME
+# @DESCRIPTION:
+# Path where the package contents will we installed.
+: ${BINTRON_HOME:="/opt/${PN}/"}
+
+# @ECLASS_VARIABLE: BINTRON_EXECUTABLES
+# @DESCRIPTION:
+# List of executable symlinks to create
+: ${BINTRON_EXECUTABLES:="${PN}"}
+
+# @FUNCTION: bintron-r1_pkg_pretend
+# @DESCRIPTION:
+# Runs SUID and User namespace checks
+bintron-r1_pkg_pretend() {
+	# see https://github.com/electron/electron/issues/17972
+	chromium_suid_sandbox_check_kernel_config
+}
+
+# @FUNCTION: bintron-r1_src_prepare
+# @DESCRIPTION:
+# Remove pak files.
+bintron-r1_src_prepare() {
+	default
+
+	pushd locales >/dev/null || die "location change for language cleanup failed"
+	chromium_remove_language_paks
+	popd >/dev/null || die "location reset for language cleanup failed"
+
+	if [[ -d "${WORKDIR}/usr/share/doc/${PN}" ]]; then
+		mv "${WORKDIR}/usr/share/doc/${PN}/" "${WORKDIR}/usr/share/doc/${PF}" || die
+	fi
+
+	if [[ -e "${WORKDIR}/usr/share/doc/${PF}/changelog.gz" ]]; then
+		pushd "${WORKDIR}/usr/share/doc/${PF}" >/dev/null || die
+		unpack "${WORKDIR}"/usr/share/doc/${PF}/changelog.*
+		rm "${WORKDIR}"/usr/share/doc/${PF}/changelog.*
+		popd >/dev/null || die
+	fi
+
+	if use system-ffmpeg; then
+		rm libffmpeg.so || die
+
+		local file type
+		for file in $(find .); do
+			type=$(file -b --mime-type "${file}")
+			case ${type} in
+				application/x-sharedlib|application/x-pie-executable)
+					patchelf --add-rpath /usr/$(get_libdir)/chromium ${file} || die
+					;;
+			esac
+		done
+	fi
+}
+
+# @FUNCTION: bintron-r1_src_install
+# @DESCRIPTION:
+# Install
+bintron-r1_src_install() {
+	insinto "${BINTRON_HOME}"
+
+	doins -r "${S}"/*
+
+	local file type
+	for file in $(find .); do
+		type=$(file -b --mime-type "${file}")
+
+		case ${type} in
+			application/x-sharedlib|application/x-pie-executable|text/x-shellscript)
+				fperms 0755 "${BINTRON_HOME}${file#./}"
+				;;
+		esac
+	done
+
+	for executable in ${BINTRON_EXECUTABLES[@]}; do
+		dosym "${EPREFIX}${BINTRON_HOME%/}/${executable}" /usr/bin/${executable}
+	done
+
+	if [[ -d ${WORKDIR}/usr/share ]]; then
+		insinto /usr
+		doins -r "${WORKDIR}"/usr/share
+	fi
+}
+
+fi
+
+EXPORT_FUNCTIONS pkg_pretend src_prepare src_install