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{ lib
, substituteAll
, fetchurl
, ocaml
, dune_3
, buildDunePackage
, yojson
, csexp
, merlin-lib
, dot-merlin-reader
, jq
, menhir
, menhirLib
, menhirSdk
}:
let
# Each releases of Merlin support a limited range of versions of OCaml.
merlinVersions = {
"4.12.0" = "4.7-412";
"4.12.1" = "4.7-412";
"4.13.0" = "4.7-413";
"4.13.1" = "4.7-413";
"4.14.0" = "4.13-414";
"4.14.1" = "4.13-414";
"5.0.0" = "4.12-500";
"5.1.0" = "4.13-501";
"5.1.1" = "4.13.1-501";
};
hashes = {
"4.7-412" = "sha256-0U3Ia7EblKULNy8AuXFVKACZvGN0arYJv7BWiBRgT0Y=";
"4.7-413" = "sha256-aVmGWS4bJBLuwsxDKsng/n0A6qlyJ/pnDTcYab/5gyU=";
"4.12-500" = "sha256-j49R7KVzNKlXDL7WibTHxPG4VSOVv0uaz5/yMZZjkH8=";
"4.13-414" = "sha256-AlzxqTuh5AkW9dnPIv51abv7r0A/VOS3JOT5IHix2wM=";
"4.13-501" = "sha256-G/VrI+qBVj2wxuB2qE9P1M73IvDmqmTrBFAA6mp+NRE=";
"4.13.1-501" = "sha256-NVfgX3DFsQghApEgWilCgr5O2WSkwKtenZZFSJ1wwa0=";
};
version = lib.getAttr ocaml.version merlinVersions;
in
if !lib.hasAttr ocaml.version merlinVersions
then builtins.throw "merlin is not available for OCaml ${ocaml.version}"
else
buildDunePackage {
pname = "merlin";
inherit version;
duneVersion = "3";
src = fetchurl {
url = "https://github.com/ocaml/merlin/releases/download/v${version}/merlin-${version}.tbz";
sha256 = hashes."${version}";
};
patches = [
(substituteAll {
src = ./fix-paths.patch;
dot_merlin_reader = "${dot-merlin-reader}/bin/dot-merlin-reader";
dune = "${dune_3}/bin/dune";
})
];
strictDeps = true;
nativeBuildInputs = [
menhir
jq
];
buildInputs = [
dot-merlin-reader
yojson
(if lib.versionAtLeast version "4.7-414"
then merlin-lib
else csexp)
menhirSdk
menhirLib
];
doCheck = false;
checkPhase = ''
runHook preCheck
patchShebangs tests/merlin-wrapper
dune runtest # filtering with -p disables tests
runHook postCheck
'';
meta = with lib; {
description = "An editor-independent tool to ease the development of programs in OCaml";
homepage = "https://github.com/ocaml/merlin";
license = licenses.mit;
maintainers = [ maintainers.vbgl maintainers.sternenseemann ];
};
}
|