Improve version handling and display

pyproject.toml

@@ -4,7 +4,7 @@ description = "Spacelift Migration Kit"
 license = "MIT"
 name = "spacemk"
 readme = "README.md"
-version = "2.0.0-alpha2"
+version = "2.0.0-dev"
 
 [tool.poetry.dependencies]
 python = "^3.10"
@@ -17,6 +17,7 @@ jinja2 = "3.1.3"
 pydash = "8.0.0"
 python-benedict = "0.33.2"
 python-dotenv = "1.0.1"
+python-git-info = "^0.8.3"
 python-on-whales = "0.70.1"
 python-slugify = "8.0.4"
 pyyaml = "6.0.1"

spacemk/__init__.py

@@ -1,10 +1,34 @@
 import json
 import logging
 import subprocess
+from importlib.metadata import version
 from pathlib import Path
 from shutil import which
 
+import gitinfo
 from benedict import benedict
+from packaging.version import Version as PyPIVersion
+from semver import Version as SemVerVersion
+
+
+def pypi_version_to_semver(version: str) -> str:
+    pypi_version = PyPIVersion(version)
+
+    if pypi_version.dev is not None:
+        build = gitinfo.get_git_info()["commit"][0:7]
+        pre = "dev"
+    elif pypi_version.pre is not None:
+        build = None
+        pre_mapping = {"a": "alpha", "b": "beta", "pre": "rc"}
+        pre = f"{pre_mapping[pypi_version.pre[0]]}{pypi_version.pre[1]}"
+    else:
+        pre = None
+        build = None
+
+    return str(SemVerVersion(*pypi_version.release, build=build, prerelease=pre))
+
+
+__version__ = pypi_version_to_semver(version("spacemk"))
 
 
 def ensure_folder_exists(path: Path | str) -> None:

spacemk/cli.py

@@ -5,12 +5,14 @@
 import ccl
 import click
 from benedict import benedict
-from click_help_colors import HelpColorsGroup
+from click_help_colors import HelpColorsGroup, version_option
 from dotenv import load_dotenv
 from envyaml import EnvYAML
 from icecream import ic
 from rich.logging import RichHandler
 
+from spacemk import __version__ as spacemk_version
+
 ic.configureOutput(includeContext=True, contextAbsPath=True)
 debug_enabled = False
 
@@ -21,6 +23,7 @@
     help_headers_color="yellow",
     help_options_color="green",
 )
+@version_option(prog_name="spacemk", prog_name_color="yellow", version=spacemk_version, version_color="green")
 @click.option(
     "--config",
     default="config.yml",