dev-ml/merlin: use <yojson-2

Bug: https://github.com/ocaml/merlin/pull/1475
Signed-off-by: Maciej Barć <xgqt@gentoo.org>

1 files changed, 83 insertions, 0 deletions

diff --git a/dev-ml/merlin/merlin-4.2-r2.ebuild b/dev-ml/merlin/merlin-4.2-r2.ebuild
new file mode 100644
index 000000000000..ec4d4384818f
--- /dev/null
+++ b/dev-ml/merlin/merlin-4.2-r2.ebuild
@@ -0,0 +1,83 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+# TODO: vim-plugin, although it's not clear how to make it work here
+inherit elisp-common dune
+
+DESCRIPTION="Context sensitive completion for OCaml in Vim and Emacs"
+HOMEPAGE="https://github.com/ocaml/merlin"
+SRC_URI="https://github.com/ocaml/merlin/archive/v${PV}-411.tar.gz -> ${P}-411.tar.gz
+	https://dev.gentoo.org/~tupone/distfiles/${P}-ocaml-4.12.patch.gz"
+
+LICENSE="MIT"
+SLOT="0/${PV}"
+KEYWORDS="~amd64"
+IUSE="emacs +ocamlopt test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	dev-ml/csexp:=
+	<dev-ml/yojson-2:=
+	dev-ml/menhir:=
+	|| (
+		dev-lang/ocaml:0/4.11
+		dev-lang/ocaml:0/4.12
+	)
+	emacs? (
+		>=app-editors/emacs-23.1:*
+		app-emacs/auto-complete
+		app-emacs/company-mode
+	)
+"
+DEPEND="${RDEPEND}
+	test? ( app-misc/jq )"
+
+SITEFILE="50${PN}-gentoo.el"
+
+S="${WORKDIR}"/${P}-411
+
+src_prepare() {
+	has_version "dev-lang/ocaml:0/4.12" && \
+		eapply "${WORKDIR}"/${P}-ocaml-4.12.patch
+	default
+
+	# Handle installation via the eclass
+	rm emacs/dune || die
+
+	# rm failing test
+	rm -r tests/test-dirs/locate/context-detection/cd-mod_constr.t || die
+}
+
+src_compile() {
+	dune build @install
+
+	if use emacs ; then
+		# Build the emacs integration
+		cd emacs || die
+
+		# iedit isn't packaged yet
+		rm merlin-iedit.el || die
+
+		elisp-compile *.el
+	fi
+}
+
+src_install() {
+	dune_src_install
+
+	if use emacs ; then
+		cd "${S}/emacs" || die
+		elisp-install ${PN} *.el *.elc
+		elisp-site-file-install "${FILESDIR}/${SITEFILE}"
+	fi
+}
+
+pkg_postinst() {
+	use emacs && elisp-site-regen
+}
+
+pkg_postrm() {
+	use emacs && elisp-site-regen
+}