chore: add setuptools-scm with version

.gitignore

@@ -160,3 +160,5 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+
+joj3_config_generator/_version.py

.pre-commit-config.yaml

@@ -51,6 +51,15 @@ repos:
     rev: 24.8.0
     hooks:
       - id: black
+  - repo: local
+    hooks:
+      - id: generate-version-file
+        name: generate _version.py
+        entry: pdm build --no-wheel
+        language: system
+        pass_filenames: false
+        always_run: true
+
 # - repo: local
 #   hooks:
 #       - id: pytest-check

joj3_config_generator/__init__.py

@@ -0,0 +1,8 @@
+try:
+    from ._version import version as __version__
+except ImportError:
+    __version__ = "0.0.0+development-untracked"
+
+
+def get_version() -> str:
+    return __version__

joj3_config_generator/main.py

@@ -6,6 +6,7 @@ import tomlkit
 import typer
 from typing_extensions import Annotated
 
+from joj3_config_generator import get_version
 from joj3_config_generator.generator import (
     convert_joj1_conf,
     convert_joj3_conf,
@@ -19,7 +20,31 @@ from joj3_config_generator.loader import (
 from joj3_config_generator.models.const import JOJ3_CONFIG_ROOT
 from joj3_config_generator.utils.logger import logger
 
-app = typer.Typer(add_completion=False)
+app = typer.Typer(add_completion=False, name="joj3-forge")
+
+
+def version_callback(value: bool) -> None:
+    if value:
+        print(f"{app.info.name} Version: {get_version()}")
+        raise typer.Exit()
+
+
+@app.callback()
+def common(
+    ctx: typer.Context,
+    version: Annotated[
+        Optional[bool],
+        typer.Option(
+            "--version",
+            help="Show the application version and exit.",
+            callback=version_callback,
+            is_eager=True,
+        ),
+    ] = None,
+) -> None:
+    if ctx.resilient_parsing:
+        return
+    logger.info(f"Running '{ctx.invoked_subcommand}' command. Version: {get_version()}")
 
 
 @app.command(hidden=True)

pyproject.toml

@@ -1,6 +1,6 @@
 [build-system]
-requires = ["pdm-backend"]
+requires = ["pdm-backend", "setuptools>=64", "setuptools-scm>=8"]
-build-backend = "pdm.backend"
+build-backend = "setuptools.build_meta"
 
 [project]
 name = "JOJ3-config-generator"
@@ -71,3 +71,7 @@ init_forbid_extra = true
 init_typed = true
 warn_required_dynamic_aliases = true
 warn_untyped_fields = true
+
+[tool.setuptools_scm]
+write_to = "joj3_config_generator/_version.py"
+fallback_version = "0.0.0+unknown"