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{ stdenv, fetchFromGitHub, ocamlPackages, makeWrapper, writeScript }:
let
# Manually set version - the setup script requires
# hg and git + keeping the .git directory around.
version = "0.0.8";
versionFile = writeScript "version.ml" ''
cat > "./version.ml" <<EOF
let build_info () =
"pyre-nixpkgs ${version}"
let version () =
"${version}"
EOF
'';
in stdenv.mkDerivation {
name = "pyre-${version}";
src = fetchFromGitHub {
owner = "facebook";
repo = "pyre-check";
rev = "v${version}";
sha256 = "0c4km27xnzsqcqvjqxmqak37x473z6azlbldy7f05ghkms7mchrw";
};
nativeBuildInputs = [ makeWrapper ];
buildInputs = with ocamlPackages; [
ocaml
findlib
menhir
yojson
core
sedlex
ppx_deriving_yojson
ocamlbuild
ppxlib
];
buildPhase = ''
# build requires HOME to be set
export HOME=.
# "external" because https://github.com/facebook/pyre-check/pull/8/files
sed "s/%VERSION%/external ${version}/" Makefile.template > Makefile
cp ${versionFile} ./scripts/generate-version-number.sh
mkdir $(pwd)/build
export OCAMLFIND_DESTDIR=$(pwd)/build
export OCAMLPATH=$OCAMLPATH:$(pwd)/build
make release
'';
checkPhase = ''
make test
'';
# Note that we're not installing the typeshed yet.
# Improvement for a future version.
installPhase = ''
mkdir -p $out/bin
cp _build/all/main.native $out/bin/pyre
'';
meta = with stdenv.lib; {
description = "A performant type-checker for Python 3";
homepage = https://pyre-check.org;
license = licenses.mit;
platforms = with platforms; linux;
maintainers = with maintainers; [ teh ];
};
}
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