feat: Add full Git commit metadata to generated YAML

model_diffsummary/__main__.py

@@ -3,6 +3,7 @@
 """Main entry point into model_diffsummary."""
 from __future__ import annotations
 
+import datetime
 import logging
 import typing as t
 
@@ -11,6 +12,7 @@
 import markupsafe
 import yaml
 from capellambse import model as m
+from capellambse.filehandler import git as gitfh
 from capellambse.model import common as c
 
 import model_diffsummary
@@ -69,10 +71,21 @@ def _get_revision_info(
 ) -> types.RevisionInfo:
     """Return the revision info of the given model."""
     info = model.info
+    fh = model._loader.resources["\x00"]
+    assert isinstance(fh, gitfh.GitFileHandler)
+    author, date_str, description = fh._git(
+        "log",
+        "-1",
+        "--format=%aN%x00%aI%x00%B",
+        info.rev_hash,
+        encoding="utf-8",
+    ).split("\x00")
     return {
         "hash": info.rev_hash,
         "revision": revision,
-        # TODO add author, date, description from commit
+        "author": author,
+        "date": datetime.datetime.fromisoformat(date_str),
+        "description": description.rstrip(),
     }