dev-ml/merlin: bump to 5.6

Signed-off-by: Maciej Barć <xgqt@gentoo.org>

dev-ml/merlin/Manifest

@@ -1 +1,3 @@
 DIST merlin-5.5-503.tbz 3847507 BLAKE2B 012c97efea28b55397103af14dc134f2942ad3354f25ea02418ab9bf5b6790c420da79274ba1f22edf1221761b6ecbdd2802ab06fe3d7a3e43a0bd6cd4161797 SHA512 1fb3b5180d36aa82b82a319e15b743b802b6888f0dc67645baafdb4e18dfc23a7b90064ec9bc42f7424061cf8cde7f8839178d8a8537bf4596759f3ff4891873
+DIST merlin-5.6-503.tbz 3922503 BLAKE2B 7f5f177f12bf6717a27d3d75c90b465e9c72196222baa87ce18b35c2fdcaa181af4b10ce1fc3abbdd90dfa84a3b2ea56883a528125bbbddf5a6fdf64d3537b4c SHA512 9987baf2b2e82bab4c90a328bfcba9945e797e0f3d947156f04435ee84b49542844b379e35a79027c3ffe81f4b7a8f1c60803233999b4c039d4598033371880d
+DIST merlin-5.6-504.tbz 4588103 BLAKE2B 06fead7fdc112b48611ab88f83ad34e7f125d61b171efdac9c43a5d52a6201aa7f8459f87ea29bbab7e0ec02b9fddc37d82871baf91e393da9afa63f69282783 SHA512 e21c96db754a289462677e6985181902ddd90bab9e9cebbbb739d92d94b5aee7ef7a134da70ae384291d9bfaccfecd26d37b48f8d75c5d36b9eda18f6e5afd3d

dev-ml/merlin/merlin-5.6.ebuild

@@ -0,0 +1,125 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# TODO: vim-plugin, although it's not clear how to make it work here
+inherit elisp-common dune edo
+
+DESCRIPTION="Context sensitive completion for OCaml in Vim and Emacs"
+HOMEPAGE="https://github.com/ocaml/merlin/"
+SRC_URI="
+	https://github.com/ocaml/${PN}/releases/download/v${PV}-503/${P}-503.tbz
+	https://github.com/ocaml/${PN}/releases/download/v${PV}-504/${P}-504.tbz
+"
+
+LICENSE="MIT"
+SLOT="0/${PV}"
+KEYWORDS="~amd64"
+IUSE="emacs +ocamlopt test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=dev-lang/ocaml-5.3.0 <dev-lang/ocaml-5.5.0
+	dev-ml/csexp:=
+	dev-ml/yojson:=
+	emacs? (
+		>=app-editors/emacs-23.1:*
+		app-emacs/auto-complete
+		app-emacs/company-mode
+	)
+"
+DEPEND="
+	${RDEPEND}
+"
+BDEPEND="
+	dev-ml/findlib
+	test? (
+		app-misc/jq
+		dev-ml/alcotest
+		dev-ml/ppxlib
+	)
+"
+
+SITEFILE="50${PN}-gentoo.el"
+
+DUNE_PKG_NAMES_OTHER=(
+	dot-merlin-reader
+	ocaml-index
+	merlin-lib
+)
+
+src_unpack() {
+	default
+
+	if has_version "=dev-lang/ocaml-5.3*" ; then
+		edo mv "${P}-503" "${S}"
+	elif has_version "=dev-lang/ocaml-5.4*" ; then
+		edo mv "${P}-504" "${S}"
+	else
+		die "The installed version of OCaml is not yet supported"
+	fi
+}
+
+src_prepare() {
+	default
+
+	# Handle ELisp installation via the Emacs Eclass.
+	rm emacs/dune || die
+
+	# This test runs only inside a git repo,
+	# it is not included in merlin release for ocaml 4.12.
+	if [[ -f tests/test-dirs/occurrences/issue1404.t ]] ; then
+		rm tests/test-dirs/occurrences/issue1404.t || die
+	fi
+	rm -r tests/test-dirs/locate/context-detection/cd-mod_constr.t || die
+
+	# Remove seq references from dune build files.
+	sed -i 's|seq||g' src/frontend/ocamlmerlin/dune || die
+
+	# Remove Menhir requirement.
+	# > MenhirLib.StaticVersion.require_20201216
+	sed -i src/ocaml/preprocess/parser_raw.ml \
+		-e "s|MenhirLib.StaticVersion.require_.*|()|g" \
+		|| die
+}
+
+src_compile() {
+	# This is a minimal compilation set to avoid the "menhir" dependency.
+	# See the readme: https://github.com/ocaml/merlin/blob/main/README.md
+	dune-compile "${DUNE_PKG_NAMES_OTHER[@]}" "${PN}"
+
+	if use emacs ; then
+		# iedit isn't packaged yet
+		rm emacs/merlin-iedit.el || die
+
+		local -x BYTECOMPFLAGS="-L emacs"
+		elisp-compile ./emacs/*.el
+	fi
+}
+
+src_test() {
+	dune-test "${DUNE_PKG_NAMES_OTHER[@]}"
+
+	# Dune test dance:
+	# Testing not all packages removes some needed files for the install step.
+	# We have to compile again, luckily this time most of the build is cached.
+	dune-compile "${DUNE_PKG_NAMES_OTHER[@]}" "${PN}"
+}
+
+src_install() {
+	dune_src_install
+
+	if use emacs ; then
+		elisp-install "${PN}" ./emacs/*.el{,c}
+		elisp-site-file-install "${FILESDIR}/${SITEFILE}"
+	fi
+}
+
+pkg_postinst() {
+	use emacs && elisp-site-regen
+}
+
+pkg_postrm() {
+	use emacs && elisp-site-regen
+}