EAPI=9

KEYWORDS="~amd64 ~arm64 ~ppc ~ppc64"

IUSE="emacs test"

RESTRICT="strip !test? ( test )"

BDEPEND="

	test? (

		app-misc/jq

		dev-debug/strace

		>=dev-lang/ocaml-5.4.0

		dev-ml/csexp

		dev-ml/lwt

		dev-ml/pp

		dev-ml/ppx_expect

		dev-ml/re

		dev-ml/spawn

		dev-ml/uutf

		dev-vcs/git

	)

"

	# the dune-project file for dune includes generating .opam files,

	# but they differ from the committed versions in that they include a

	# version entry. Supposedly "dune promote" should be able to update

	# these files, but it always fails with an error that the generated

	# opam files do not match the committed ones (because of this

	# version field). These files are not in the install image, they

	# only trip up testing.

	find opam -name '*.opam' -exec sed -i "/^opam-version: \"2.0\"/a version: \"${PV}\"" {} + || die

	# Remove tests from test/blackbox-tests that don't work for various

	# reasons. The majority of these are taken from Debian's testing, but

	# the list is expanded with additional tests that fail (for example,

	# because unpackaged dependencies like js_of_ocaml)

	#

	# See: https://salsa.debian.org/ocaml-team/ocaml-dune/-/blob/master/debian/rules?ref_type=heads

	# Tests that need melc

	rm -r test/blackbox-tests/test-cases/melange || die

	rm -r test/blackbox-tests/test-cases/merlin || die

	# Tests that need files in /usr/doc

	rm -r test/blackbox-tests/test-cases/cinaps || die

	rm -r test/blackbox-tests/test-cases/inline-tests || die

	rm -r test/blackbox-tests/test-cases/ppx || die

	rm -r test/blackbox-tests/test-cases/utop || die

	rm -r test/blackbox-tests/test-cases/jsoo || die

	rm -r test/blackbox-tests/test-cases/ctypes || die

	# Tests with other unsatisfied assumptions

	rm -r test/blackbox-tests/test-cases/custom-cross-compilation || die

	rm -r test/blackbox-tests/test-cases/subst || die

	rm -r test/blackbox-tests/test-cases/pkg || die

	rm test/blackbox-tests/test-cases/os-variables.t || die

	rm -r test/blackbox-tests/test-cases/cram || die

	rm -r test/blackbox-tests/test-cases/actions || die

	#rm -r test/blackbox-tests/test-cases/foreign-stubs/github7146.t || die

	rm -r test/expect-tests/vcs || die

	# Many expect-tests fail, but common and test_scheduler are needed for the rest

	mkdir test-libs || die

	mv test/expect-tests/{common,test_scheduler} test-libs || die

	rm -r test/expect-tests || die

	# Flaky tests (to be investigated)

	rm -r otherlibs/dune-site/test || die # failed on amd64

	rm -r otherlibs/dune-rpc-lwt/examples/rpc_client/test || die # failed on riscv64

	rm -r otherlibs/dune-rpc-lwt/test || die # failed on s390x

	rm -r otherlibs/stdune/test || die # failed on i386

	# requires dev-ml/opam

	rm -r test/blackbox-tests/test-cases/stanzas || die

	rm test/blackbox-tests/test-cases/empty-meta-version-gh9176.t || die

	rm -r test/blackbox-tests/test-cases/workspaces || die

	# requires js_of_ocaml

	rm -r test/blackbox-tests/test-cases/separate-compilation-github3622 || die

	# requires dev-ml/odoc

	rm -r test/blackbox-tests/test-cases/odoc || die

	rm -r test/blackbox-tests/test-cases/install-mld-pages || die

	# requires dev-ml/menhir

	rm -r test/blackbox-tests/test-cases/menhir || die

	rm -r test/blackbox-tests/test-cases/formatting || die

	# fails with a diff

	rm -r test/blackbox-tests/test-cases/trace/action-traces || die

	rm -r test/blackbox-tests/test-cases/trace/first-last-events.t || die

	rm -r test/blackbox-tests/test-cases/tests-locks.t || die

	rm -r test/blackbox-tests/test-cases/install-dir || die

	# attempts to install outside of build dir

	rm -r test/blackbox-tests/test-cases/install || die

	# fails with newer versions of dune (> 3.17)

	rm -r test/blackbox-tests/test-cases/hidden-deps-unsupported.t || die

	# requires fdo

	rm -r test/blackbox-tests/test-cases/fdo.t || die

	local confargs=(

		--libdir="$(ocamlc -where)"

		--mandir="${EPREFIX}"/usr/share/man

		--docdir="${EPREFIX}"/usr/share/doc

		--etcdir="${EPREFIX}"/etc

		--datadir="${EPREFIX}"/usr/share

		--sbindir="${EPREFIX}"/usr/sbin

		--bindir="${EPREFIX}"/usr/bin

	)

	edo ./configure "${confargs[@]}"

	edo ocaml boot/bootstrap.ml -j $(get_makeopts_jobs) --verbose

	local buildargs=(

		build dune.install

		-p "${PN}"

		--profile dune-bootstrap

		-j "$(get_makeopts_jobs)"

		--display short

	)

	edo ./_boot/dune.exe "${buildargs[@]}"

src_test() {

	# Dune's own approach to testing relies on opam switches and

	# vendored copies of necessary dependencies. The majority of these

	# dependencies require dune itself to build.

	#

	# We take an approach similar to Debian where we keep the majority

	# of the tests and remove those that don't work for whatever reason.

	edo ./_boot/dune.exe runtest --display short

}