Correct version pattern

Author: lord-haffi

pyproject.toml

@@ -43,6 +43,15 @@ fragments = [{ path = "README.rst" }]
 [tool.hatch.version]
 source = "vcs"
 
+[tool.hatch.version.raw-options]
+# version_scheme = "no-guess-dev"
+version_scheme = "only-version"
+local_scheme = "node-and-date"
+# See https://setuptools-scm.readthedocs.io/en/latest/extending/#version-number-construction
+# for details of how the version number is constructed.
+# Note that the BO4E CLI which is used in the CI expects the version to be in the format how it currently is.
+# If you which to change the version format, you will also have to change the CLI code.
+
 [tool.hatch.build.hooks.vcs]
 version-file = "src/_bo4e_python_version.py"
 template = '''

src/bo4e/version.py

@@ -7,17 +7,43 @@
 
 try:
     __version__ = version("bo4e")
+    # Please keep this name in sync with the name of the project in pyproject.toml
+    # This name is the name of the package on pypi.org
 except PackageNotFoundError:
     __version__ = "0.0.0"
-# Please keep this name in sync with the name of the project in pyproject.toml
-# This name is the name of the package on pypi.org
-if re.match(r"^(\d+\.\d+\.\d+)(rc\d+)?$", __version__):
 
-    def _repl(match: re.Match[str]) -> str:
-        if match.group(2) is not None:
-            return f"v{match.group(1)}-{match.group(2)}"
-        return f"v{match.group(1)}"
 
-    __gh_version__ = re.sub(r"^(\d+\.\d+\.\d+)(rc\d+)?$", _repl, __version__)
-else:
-    __gh_version__ = f"v{__version__}"
+def _parse_version_to_gh_version(version_str: str) -> str:
+    """
+    Parse a version string into a GitHub version string.
+    E.g. '202401.0.1-rc8+dev12asdf34' becomes 'v202401.0.1-rc8'.
+    """
+    _REGEX_VERSION = re.compile(
+        r"^(?P<major>\d{6})\."
+        r"(?P<functional>\d+)\."
+        r"(?P<technical>\d+)"
+        r"(?:rc(?P<candidate>\d*))?"
+        r"(?:\+g(?P<commit_part>\w+)"
+        r"(?:\.d(?P<dirty_workdir_date_year>\d{4})"
+        r"(?P<dirty_workdir_date_month>\d{2})"
+        r"(?P<dirty_workdir_date_day>\d{2}))?)?$"
+    )
+    match = _REGEX_VERSION.match(version_str)
+    if match is None:
+        raise ValueError(f"Invalid version string: {version_str}")
+
+    return (
+        f"v{match.group('major')}.{match.group('functional')}.{match.group('technical')}"
+        + (f"-rc{match.group('candidate')}" if match.group("candidate") else "")
+        + (f"+g{match.group('commit_part')}" if match.group("commit_part") else "")
+        + (
+            f".d{match.group('dirty_workdir_date_year')}"
+            f"{match.group('dirty_workdir_date_month')}"
+            f"{match.group('dirty_workdir_date_day')}"
+            if match.group("dirty_workdir_date_year")
+            else ""
+        )
+    )
+
+
+__gh_version__ = _parse_version_to_gh_version(__version__)