From 18d24771da3a19113122ba961b4b206613883f60 Mon Sep 17 00:00:00 2001
From: Francesco Gazzetta <fgaz@fgaz.me>
Date: Thu, 7 Jan 2021 21:11:46 +0100
Subject: [PATCH] flitter: init at unstable-2020-10-05

---
 pkgs/tools/misc/flitter/default.nix | 55 +++++++++++++++++++++++++++++
 pkgs/top-level/all-packages.nix     |  2 ++
 2 files changed, 57 insertions(+)
 create mode 100644 pkgs/tools/misc/flitter/default.nix

diff --git a/pkgs/tools/misc/flitter/default.nix b/pkgs/tools/misc/flitter/default.nix
new file mode 100644
index 000000000000..49903559c136
--- /dev/null
+++ b/pkgs/tools/misc/flitter/default.nix
@@ -0,0 +1,55 @@
+{ lib
+, stdenv
+, ocamlPackages
+, fetchFromGitHub
+, makeWrapper
+, python3
+}:
+
+ocamlPackages.buildDunePackage rec {
+  pname = "flitter";
+  # request to tag releases: https://github.com/alexozer/flitter/issues/34
+  version = "unstable-2020-10-05";
+
+  useDune2 = true;
+
+  src = fetchFromGitHub {
+    owner = "alexozer";
+    repo = "flitter";
+    rev = "666c5483bc93efa6d01e0b7a927461269f8e14de";
+    sha256 = "1k3m7bjq5yrrq7vhnbdykni65dsqhq6knnv9wvwq3svb3n07z4w3";
+  };
+
+  # https://github.com/alexozer/flitter/issues/28
+  postPatch = ''
+    for f in src/colors.ml src/duration.ml src/event_loop.ml src/splits.ml; do
+      substituteInPlace "$f" \
+        --replace 'Unix.gettimeofday' 'Caml_unix.gettimeofday'
+    done
+  '';
+
+  nativeBuildInputs = [
+    makeWrapper
+  ];
+
+  buildInputs = with ocamlPackages; [
+    core
+    lwt_ppx
+    sexp_pretty
+    color
+    notty
+  ];
+
+  postInstall = ''
+    wrapProgram $out/bin/flitter \
+      --prefix PATH : "${python3.withPackages (pp: [ pp.pynput ])}/bin"
+  '';
+
+  meta = with lib; {
+    description = "A Livesplit-inspired speedrunning split timer for Linux/macOS terminal";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fgaz ];
+    homepage = "https://github.com/alexozer/flitter";
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f1cb989fb073..b9610d08dd02 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2849,6 +2849,8 @@ with pkgs;
 
   fits-cloudctl = callPackage ../tools/admin/fits-cloudctl { };
 
+  flitter = callPackage ../tools/misc/flitter { };
+
   frangipanni = callPackage ../tools/text/frangipanni { };
 
   fselect = callPackage ../tools/misc/fselect { };