# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit desktop eutils

SLOT=0

SRC_URI="https://download.jetbrains.com/go/${P}.tar.gz"
DESCRIPTION="Golang IDE by JetBrains"
HOMEPAGE="https://www.jetbrains.com/go"

# JetBrains supports officially only x86_64 even though some 32bit binaries are
# provided. See https://www.jetbrains.com/go/download/#section=linux
KEYWORDS="~amd64"

LICENSE="|| ( JetBrains-business JetBrains-classroom JetBrains-educational JetBrains-individual )
	Apache-2.0
	BSD
	CC0-1.0
	CDDL
	CDDL-1.1
	EPL-1.0
	GPL-2
	GPL-2-with-classpath-exception
	ISC
	LGPL-2.1
	LGPL-3
	MIT
	MPL-1.1
	OFL
	ZLIB
"

RESTRICT="bindist mirror"

QA_PREBUILT="opt/${P}/*"

S="${WORKDIR}/GoLand-${PV}"

RDEPEND="
	virtual/jdk
	dev-lang/go
"

src_install() {
	local dir="/opt/${P}"

	insinto "${dir}"
	doins -r *
	fperms 755 "${dir}"/bin/{${PN}.sh,fsnotifier64}
	fperms 755 "${dir}"/jbr/bin/{jaotc,java,javac,jdb,jfr,jhsdb,jjs,jrunscript,keytool,pack200,rmid,rmiregistry,serialver,unpack200}
	fperms 755 "${dir}"/plugins/go/lib/dlv/linux/dlv

	make_wrapper "${PN}" "${dir}/bin/${PN}.sh"
	newicon "bin/${PN}.png" "${PN}.png"
	make_desktop_entry "${PN}" "gogland" "${PN}" "Development;IDE;"
}

pkg_postinst() {
	if [[ -z "${REPLACING_VERSIONS}" ]]; then
			# This is a new installation, so:
			echo
			elog "It is strongly recommended to increase the inotify watch limit"
			elog "to at least 524288. You can achieve this e.g. by calling"
			elog "echo \"fs.inotify.max_user_watches = 524288\" > /etc/sysctl.d/30-idea-inotify-watches.conf"
			elog "and reloading with \"sysctl --system\" (and restarting the IDE)."
			elog "For details see:"
			elog "    https://confluence.jetbrains.com/display/IDEADEV/Inotify+Watches+Limit"
	fi

	local replacing_version
	for replacing_version in ${REPLACING_VERSIONS} ; do
		if ver_test "${replacing_version}" -lt "2019.3-r1"; then
			# This revbump requires user interaction.
			echo
			ewarn "Previous versions configured fs.inotify.max_user_watches without user interaction."
			ewarn "Since version 2019.3-r1 you need to do so manually, e.g. by calling"
			ewarn "echo \"fs.inotify.max_user_watches = 524288\" > /etc/sysctl.d/30-idea-inotify-watches.conf"
			ewarn "and reloading with \"sysctl --system\" (and restarting the IDE)."
			ewarn "For details see:"
			ewarn "    https://confluence.jetbrains.com/display/IDEADEV/Inotify+Watches+Limit"

			# Show this ewarn only once
			break
		fi
	done
}