elan: init at 0.1.0

pkgs/applications/science/logic/elan/default.nix

@@ -0,0 +1,44 @@
+{ stdenv, lib, pkgconfig, curl, openssl, zlib, fetchFromGitHub, rustPlatform }:
+
+rustPlatform.buildRustPackage rec {
+  name = "elan-${version}";
+  version = "0.1.0";
+
+  cargoSha256 = "04cxwklfgz4q28grva52ws3lslaiq67fwqf6pglbzdrfbgdjjwb6";
+
+  src = fetchFromGitHub {
+    owner = "kha";
+    repo = "elan";
+    rev = "v${version}";
+    sha256 = "065l9a1g974n8i44mz37sx88fl65h5hml611m4p81cy6av2x85sm";
+  };
+
+  nativeBuildInputs = [ pkgconfig ];
+
+  buildInputs = [ curl zlib openssl ];
+
+  cargoBuildFlags = [ "--features no-self-update" ];
+
+  postInstall = ''
+    pushd $out/bin
+    mv elan-init elan
+    for link in lean leanpkg; do
+      ln -s elan $link
+    done
+    popd
+
+    # tries to create .elan
+    export HOME=$(mktemp -d)
+    mkdir -p "$out/share/"{bash-completion/completions,fish/vendor_completions.d,zsh/site-functions}
+    $out/bin/elan completions bash > "$out/share/bash-completion/completions/elan"
+    $out/bin/elan completions fish > "$out/share/fish/vendor_completions.d/elan.fish"
+    $out/bin/elan completions zsh >  "$out/share/zsh/site-functions/_elan"
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Small tool to manage your installations of the Lean theorem prover";
+    homepage = "https://github.com/Kha/elan";
+    license = with licenses; [ asl20 /* or */ mit ];
+    maintainers = with maintainers; [ gebner ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -20030,6 +20030,7 @@ with pkgs;
   lean = callPackage ../applications/science/logic/lean {};
   lean2 = callPackage ../applications/science/logic/lean2 {};
   lean3 = lean;
+  elan = callPackage ../applications/science/logic/elan {};
 
   leo2 = callPackage ../applications/science/logic/leo2 {
      ocaml = ocamlPackages_4_01_0.ocaml;};