Rename main.py -> cli.py and add poetry pre-commit hooks

Add apps section to flake.nix output to explicitly define CLI output
path

.pre-commit-config.yaml

@@ -8,6 +8,11 @@ repos:
       - id: end-of-file-fixer
       - id: check-yaml
       - id: check-added-large-files
+  - repo: https://github.com/python-poetry/poetry
+    rev: "1.8.0" # add version here
+    hooks:
+      - id: poetry-check
+      - id: poetry-lock
   - repo: https://github.com/psf/black-pre-commit-mirror
     rev: 24.4.2
     hooks:

flake.nix

@@ -16,7 +16,17 @@
     packages = forAllSystems (system: let
       inherit (poetry2nix.lib.mkPoetry2Nix {pkgs = pkgs.${system};}) mkPoetryApplication;
     in {
-      default = mkPoetryApplication {projectDir = self;};
+      default = mkPoetryApplication {
+        projectDir = self;
+        checkGroups = [];
+      };
+    });
+
+    apps = forAllSystems (system: {
+      default = {
+        type = "app";
+        program = "${self.packages.${system}.default}/bin/nix-background-upgrade";
+      };
     });
 
     devShells = forAllSystems (system: let

pyproject.toml

@@ -9,7 +9,7 @@ repository = "https://git.xenia.me.uk/pixelifytica/nix-background-upgrade"
 packages = [{include = "nix_background_upgrade", from = "src"}]
 
 [tool.poetry.scripts]
-nbu = 'nix_background_upgrade.main:main'
+nix-background-upgrade = 'nix_background_upgrade.cli:main'
 
 [tool.poetry.dependencies]
 python = "^3.9"