slipshow: init at 0.2.0 (#417039)

pkgs/by-name/sl/slipshow/package.nix

@@ -0,0 +1,62 @@
+{
+  lib,
+  ocamlPackages,
+  fetchFromGitHub,
+  versionCheckHook,
+  nix-update-script,
+}:
+
+ocamlPackages.buildDunePackage rec {
+  pname = "slipshow";
+  version = "0.2.0";
+
+  src = fetchFromGitHub {
+    owner = "panglesd";
+    repo = "slipshow";
+    tag = "v${version}";
+    hash = "sha256-1gjQDkjDxanshvn1fNxwpJFt12uRWnkmRbs0tWdTgtM=";
+  };
+
+  postPatch = ''
+    substituteInPlace ./src/cli/main.ml \
+      --replace-fail '%%VERSION%%' '${version}'
+  '';
+
+  nativeBuildInputs = with ocamlPackages; [
+    js_of_ocaml
+  ];
+
+  buildInputs = with ocamlPackages; [
+    base64
+    bos
+    cmdliner
+    dream
+    fmt
+    fpath
+    irmin-watcher
+    js_of_ocaml-lwt
+    logs
+    lwt
+    magic-mime
+    ppx_blob
+    ppx_sexp_value
+    sexplib
+  ];
+
+  doCheck = true;
+
+  nativeCheckInputs = [ versionCheckHook ];
+  versionCheckProgramArg = "--version";
+  doInstallCheck = true;
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "Engine for displaying slips, the next-gen version of slides";
+    homepage = "https://slipshow.readthedocs.io/en/latest/index.html";
+    downloadPage = "https://github.com/panglesd/slipshow";
+    maintainers = [ lib.maintainers.ethancedwards8 ];
+    teams = [ lib.teams.ngi ];
+    mainProgram = "slipshow";
+  };
+}