Auto-release using a date-based tag on master push

.github/workflows/release.yml

@@ -0,0 +1,23 @@
+name: "release"
+
+on:
+  push:
+    branches:
+      - "master"
+
+jobs:
+  release:
+    name: "Release"
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: "Generate tag"
+        id: tag
+        run: echo tag=$(./tools/auto_version.py) >> "$GITHUB_OUTPUT"
+
+      - uses: "marvinpinto/action-automatic-releases@latest"
+        with:
+          repo_token: "${{ secrets.GITHUB_TOKEN }}"
+          automatic_release_tag: "${{ steps.tag.outputs.tag }}"

cli.nix

@@ -1,13 +1,12 @@
 { pkgs ? import <nixpkgs> { }
 , lib ? pkgs.lib
-, version
 }:
 let
   inherit (pkgs) python3;
 in
 pkgs.stdenv.mkDerivation {
-  pname = "poetry2nix";
-  inherit version;
+  pname = "poetry2nix-cli";
+  version = "0";
 
   buildInputs = [
     (python3.withPackages (ps: [ ps.toml ]))

default.nix

@@ -3,9 +3,6 @@
 , poetryLib ? import ./lib.nix { inherit lib pkgs; stdenv = pkgs.stdenv; }
 }:
 let
-  # Poetry2nix version
-  version = "1.42.1";
-
   inherit (poetryLib) isCompatible readTOML normalizePackageName normalizePackageSet;
 
   # Map SPDX identifiers to license names
@@ -93,9 +90,6 @@ let
 
 in
 lib.makeScope pkgs.newScope (self: {
-
-  inherit version;
-
   /* Returns a package of editable sources whose changes will be available without needing to restart the
     nix-shell.
     In editablePackageSources you can pass a mapping from package name to source directory to have

tools/auto_version.py

@@ -0,0 +1,10 @@
+#!/usr/bin/env python3
+from datetime import datetime
+
+# Outputs a version number to be tagged by github actions
+if __name__ == "__main__":
+    now = datetime.utcnow()
+    modifier = int(
+        (now - now.replace(hour=0, minute=0, second=0, microsecond=0)).total_seconds()
+    )
+    print(now.strftime(f"%Y.%m.%d.{modifier}"))