main: more detailed --version output

flake.nix

@@ -105,20 +105,27 @@
       default = self.packages.${system}.worblehat;
       worblehat = let
         inherit (pkgs) python3Packages;
+        inherit (self) sourceInfo;
         pyproject = lib.pipe ./pyproject.toml [
           builtins.readFile
           builtins.fromTOML
         ];
       in python3Packages.buildPythonApplication {
         pname = pyproject.project.name;
-        version = pyproject.project.version;
+        version = "0.1";
         src = lib.cleanSource ./.;
 
         format = "pyproject";
 
-        build-system = with python3Packages; [ hatchling ];
+        build-system = with python3Packages; [ setuptools setuptools-scm ];
         dependencies = deps pkgs.python3Packages;
 
+        env.SETUPTOOLS_SCM_PRETEND_METADATA = (x: "{${x}}") (lib.concatStringsSep ", " [
+          "node=\"${sourceInfo.rev or (lib.substring 0 64 sourceInfo.dirtyRev)}\""
+          "node_date=${lib.substring 0 4 sourceInfo.lastModifiedDate}-${lib.substring 4 2 sourceInfo.lastModifiedDate}-${lib.substring 6 2 sourceInfo.lastModifiedDate}"
+          "dirty=${if sourceInfo ? dirtyRev then "true" else "false"}"
+        ]);
+
         meta.mainProgram = "worblehat";
       };
     });

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "worblehat"
-version = "0.1.0"
+dynamic = ["version"]
 description = "Worblehat is a simple library management system written specifically for Programvareverkstedet"
 authors = [
   { name = "Programvareverkstedet", email = "projects@pvv.ntnu.no" }
@@ -55,6 +55,9 @@ include = ["worblehat*"]
 [tool.setuptools.package-dir]
 "" = "src"
 
+[tool.setuptools_scm]
+version_file = "src/worblehat/_version.py"
+
 [tool.poe.tasks]
 clean = """
     rm -rf

src/worblehat/main.py

@@ -18,14 +18,10 @@ from .services import (
 
 
 def _print_version() -> None:
-    from importlib.metadata import PackageNotFoundError, version
+   from ._version import commit_id, version
 
-    try:
-        __version__ = version("worblehat")
-    except PackageNotFoundError:
-        __version__ = "unknown"
-
-    print(f"Worblehat version {__version__}")
+   print(f"Worblehat version {version}, commit {commit_id if commit_id else '<unknown>'}")
+   return
 
 
 def _connect_to_database(**engine_args) -> Session:
@@ -43,6 +39,11 @@ def _connect_to_database(**engine_args) -> Session:
 
 def main() -> None:
     args = arg_parser.parse_args()
+
+    if args.version:
+        _print_version()
+        exit(0)
+
     Config.load_configuration(vars(args))
 
     if Config["logging.debug"]:
@@ -50,10 +51,6 @@ def main() -> None:
     else:
         logging.basicConfig(encoding="utf-8", level=logging.INFO)
 
-    if args.version:
-        _print_version()
-        exit(0)
-
     if args.print_config:
         print(f"Configuration:\n{pformat(vars(args))}")
         exit(0)

uv.lock

@@ -750,7 +750,6 @@ wheels = [
 
 [[package]]
 name = "worblehat"
-version = "0.1.0"
 source = { editable = "." }
 dependencies = [
     { name = "alembic" },