gersemi: init at 0.15.1 (#334747)

maintainers/maintainer-list.nix

@@ -22611,6 +22611,12 @@
     githubId = 529003;
     name = "Christine Dodrill";
   };
+  xeals = {
+    email = "dev@xeal.me";
+    github = "xeals";
+    githubId = 21125058;
+    name = "xeals";
+  };
   xeji = {
     email = "xeji@cat3.de";
     github = "xeji";

pkgs/by-name/ge/gersemi/package.nix

@@ -0,0 +1,32 @@
+{
+  lib,
+  python3Packages,
+  fetchFromGitHub,
+}:
+
+python3Packages.buildPythonApplication rec {
+  pname = "gersemi";
+  version = "0.15.1";
+
+  src = fetchFromGitHub {
+    owner = "BlankSpruce";
+    repo = "gersemi";
+    rev = version;
+    hash = "sha256-MyiGmMITD6TlZ98qsSDalQWOWnpqelTrXKn6MmBGYS0=";
+  };
+
+  propagatedBuildInputs = with python3Packages; [
+    appdirs
+    colorama
+    lark
+    pyyaml
+  ];
+
+  meta = {
+    description = "Formatter to make your CMake code the real treasure";
+    homepage = "https://github.com/BlankSpruce/gersemi";
+    license = lib.licenses.mpl20;
+    maintainers = with lib.maintainers; [ xeals ];
+    mainProgram = "gersemi";
+  };
+}